Radio, Navigation & Pcm Diagnosis - 911 CARRERA (996)

• System N 01
  • General information
    • Notes
    • Code input
    • If the wrong code was input
    • Activating the PCM
  • Component arrangement
  • Function of individual components
    • 1. Display and operator control unit
    • 2. Navigation unit
    • 3. GPS antenna
  • System description
    • Basic functions of the PCM
    • Navigation
    • Audio
    • Telephone
    • On-board computer
  • Tools
    • Notes
    • 1. Porsche System Tester 2
    • 2. Commercially available digital multimeter
  • Connector pin assignment, display and operator control unit
  • Connector pin assignment, navigation unit
  • Identification
  • Fault memory
  • Fault overview
    • Notes
    • Test point 1
      • Fault code 20
      • Possible causes, elimination, notes
        • Open circuit/short to ground
        • Short to B+
        • Signal disturbance
    • Test point 2
      • Fault code 21
      • Possible causes, elimination, notes
        • Open circuit/short to ground
        • Short to B+
        • Signal disturbance
    • Test point 3
      • Fault code 22
      • Possible causes, elimination, notes
        • Short to ground
        • Short to B+
    • Test point 4
      • Fault code 23
      • Possible causes, elimination, notes
        • Open circuit/short to ground
        • Short to B+
        • Signal disturbance
    • Test point 5
      • Fault code 24
      • Possible causes, elimination, notes
    • Test point 6
      • Fault code 25
      • Possible causes, elimination, notes
    • Test point 7
      • Fault code 26
      • Possible causes, elimination, notes
        • Open circuit
    • Test point 8
      • Fault code 27
      • Possible causes, elimination, notes
        • Short to ground
        • Short to B+
    • Test point 9
      • Fault code 28
      • Possible causes, elimination, notes
        • Open circuit/short to B+
        • Short to ground
      • Signal disturbance
    • Test point 10
      • Fault code 29
      • Possible causes, elimination, notes
    • Test point 11
      • Fault code 30
      • Possible causes, elimination, notes
    • Test point 12
      • Fault code 31
      • Possible causes, elimination, notes
    • Test point 13
      • Fault code 32
      • Possible causes, elimination, notes
    • Test point 14
      • Fault code 33
      • Possible causes, elimination, notes
    • Test point 15
      • Fault code 34
      • Possible causes, elimination, notes
    • Test point 16
      • Fault code 35
      • Possible causes, elimination, notes
    • Test point 17
      • Fault code 36
      • Possible causes, elimination, notes
    • Test point 18
      • Fault code 37
      • Possible causes, elimination, notes
    • Test point 19
      • Fault code 38
      • Possible causes, elimination, notes
    • Test point 20
      • Fault code 39
      • Possible causes, elimination, notes
    • Test point 21
      • Fault code 40
      • Possible causes, elimination, notes
    • Test point 22
      • Fault code 41
      • Possible causes, elimination, notes
  • Erasing fault memory
  • Actual values
  • Input signals
  • Interface status
  • Drive links
  • Position
  • Modify coding
• System P 01
  • System description
    • Notes
    • System readiness
    • System error
    • System components
    • Sensor signals
    • Diagnosis
    • Pull off plug on the sensor
    • Procedure
  • Tools
    • Notes
    • 1. Porsche System Tester 2
    • 2. Commercially available digital multimeter
  • Component arrangement
  • Function of individual components
    • 1A, 1B: Shift lever
    • 2: Control module
    • 3: Loudspeaker in instrument cluster
    • 4: Sensors for ParkAssistent
  • Connector assignment
  • Fault overview
    • Notes
    • Test point 1
      • Fault code 1
      • Possible causes, elimination, notes
      • Remedy:
    • Test point 2
      • Fault code 2
      • Possible causes, elimination, notes
      • Remedy:
    • Test point 3
      • Fault code 3
      • Possible causes, elimination, notes
      • Remedy:
    • Test point 4
      • Fault code 4
      • Possible causes, elimination, notes
      • Remedy:
    • Test point 5
      • Fault code 5
      • Possible causes, elimination, notes
      • Remedy:
    • Test point 6
      • Fault code 6
      • Possible causes, elimination, notes
      • Remedy:
    • Test point 7
      • Fault code 7
      • Possible causes, elimination, notes
      • Remedy:
    • Test point 8
      • Fault code 8
      • Possible causes, elimination, notes
      • Remedy:
    • Test point 9
      • Fault code 9
      • Possible causes, elimination, notes
      • Remedy:
    • Test point 10
      • Fault code 0
      • Possible causes, elimination, notes
      • Remedy:
  • Identification
  • Fault memory
  • Clear the fault memory
  • Actual values
  • Drive links
  • Modifying the coding
    • Notes
    • Procedure:
• PCM2 gateway - Introduction
  • Notes
  • General instructions/safety instructions
  • General information on the fault memory
    • Fault code setting conditions
    • Fault memory Info key "F8"
  • Display * in the menu Control modules and menu PCM2/ CDR23 MOST component check.
  • Units
  • Vehicle type vehicle coding
  • Vehicle version vehicle coding
  • Right/left-hand drive vehicle coding
  • Vehicle hand-over
  • Air conditioning
  • Coding country-specific tuner settings
  • Country-specific tuner settings
  • MOST switch
  • Coding PCM2
  • Production mode
  • Control module replacement - PCM2
• PCM2 gateway tools
  • Notes
  • Porsche System Tester II 9588
  • Commercially available digital multimeter
  • Measurement tool set 9684
  • Optical waveguide test line 9712
• PCM2 gateway component arrangement
• PCM2 gateway connector assignment
  • Connector assignment
    • Notes
    • Connector A, black, power supply
    • Connector B, brown, loudspeaker output
    • Connector C, yellow, CAN comfort
    • Connector D, green, microphone
    • Connector E, blue, emergency call
    • Connector F, antenna
    • Connector G, diversity antennas
    • Connector H, MOST
    • Connector I, GPS antenna
• PCM2 gateway control module function
  • Terminating resistors on the CAN
  • Audio tests
  • CAN comfort
  • CD changer (CDC)
  • Coding table
  • Coding
  • Data transfer fault
  • Function of the components
  • Gateway
  • Identification
  • Actual values
  • Man Machine Interface (MMI)
  • MOST actual and required installed components lists
  • MOST component check
    • Notes
    • MOST System check (ignition on.)
    • Diagnosis, open circuit in distribution line (ignition on.)
    • Optical performance check
    • Data transmission check
    • MOST system check (with engine running)
    • Ring break diagnosis (with engine running)
  • MOST lock/MOST unlock
  • MOST - optical/electrical
  • MOST switch
  • MOST unlock counter
  • Navigation
  • Ring break diagnosis line
  • Input signals
  • Single CD
  • Special function
  • Voice control system (VOCS) (optional)
  • Drive links
  • PCM2 control module (head unit)
    • Notes
    • Internal:
    • External:
  • Telephone/telematics (optional)
  • Tuner
  • External amplifier
  • Internal amplifier
  • Wake-up function
• PCM2 gateway fault overview
• 8001 PCM2 - gateway
  • Supply voltage
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pins
  • Battery voltage too low
    • Diagnosis/troubleshooting
  • Battery voltage too high
    • Diagnosis/troubleshooting
• 8002 PCM2 - gateway
  • Control module faulty (PCM2)
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting on the PCM2
• 8004 PCM2 - gateway
  • CAN comfort bus OFF.
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 8005 PCM2 - gateway
  • CAN comfort time-out, instrument cluster.
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 800A PCM2 - gateway
  • CAN comfort time-out, air-conditioning system
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 800B PCM2 - gateway
  • CAN signal fault, instrument cluster
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• PCM2 MMI - Introduction
  • Notes
  • General instructions/safety instructions
  • General information on the fault memory
    • Fault code setting conditions
    • Fault memory Info key "F8"
    • Vehicle hand-over
  • Display * in the menu Control modules and menu PCM2/ CDR23 MOST component check.
  • Country-specific tuner settings
  • Coding country-specific tuner settings
  • Coding PCM2
  • Control module replacement - PCM2
• PCM2 MMI tools
  • Notes
  • Porsche System Tester II 9588
  • Commercially available digital multimeter
  • Measurement tool set 9684
  • Optical waveguide test line 9712
• PCM2 MMI component arrangement
• PCM2 MMI connector assignment
  • Connector assignment
    • Notes
    • Plug A, black, power supply
    • Connector B, brown, loudspeaker output
    • Connector C, yellow, CAN Comfort
    • Plug D, green, microphone
    • Plug E, blue, emergency call
    • Plug F, antenna
    • Connector G, diversity antennas
    • Plug H, MOST, optical
    • Connector I GPS antenna
• PCM2 MMI control module function
  • Terminating resistors in the CAN
  • CAN comfort
  • CD changer (CDC)
  • Coding table
  • Coding
  • Data transfer fault
  • Extended identification
    • Notes
    • The following data can be read out:
  • Function of the components
  • Gateway
  • Identification
  • Actual values
  • Man Machine Interface (MMI)
  • MOST component check
    • Notes
    • MOST System check (ignition on)
    • Diagnosis, open circuit in distribution line (ignition on.)
    • Optical performance check
    • Data transmission check
    • MOST system check (with engine running)
    • Ring break diagnosis (with engine running)
  • MOST actual and required installed components lists
  • MOST lock/MOST unlock
  • MOST - optical/electrical
  • MOST switch
  • MOST unlock counter
  • Navigation
  • Ring break diagnosis line
  • Input signals
  • Single CD
  • Special function
  • Voice control system (VOCS) (optional)
  • Drive links
  • PCM2 control module (head unit)
    • Notes
    • Internal:
    • External:
  • Telephone/telematics (optional)
  • Tuner
  • External amplifier
  • Internal amplifier
  • Wake-up function
• PCM2 MMI fault overview
• 8002 Pcm2 MMI
  • Internal communication error
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting on the PCM2
• 8003 Pcm2 MMI
  • Operating buttons are jammed
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 8004 Pcm2 MMI
  • Single CD drive overheating
    • Notes
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 8005 Pcm2 MMI
  • Audio CD cannot be read
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 8006 Pcm2 MMI
  • Internal fault in single CD drive
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 8007 Pcm2 MMI
  • Open circuit to ring break diagnosis line ground/B+
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 8009 Pcm2 MMI
  • MOST fault, optical/electrical.
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 800C Pcm2 MMI
  • Fault during software update using single CD
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• Introduction - external Harman amplifier
  • Notes
  • General instructions/safety instructions
  • General information on the fault memory
    • Fault code setting conditions
    • Fault memory Info key "F8"
    • Vehicle hand-over
  • Control module replacement - PCM2
  • Replacing CDR23 control modules
• External Harman amplifier tools
  • Notes
  • Porsche System Tester II 9588
  • Commercially available digital multimeter
  • Measurement tool set 9684
  • Optical waveguide test line 9712
• Component arrangement - external Harman amplifier
• External Harman amplifier connector assignment
  • Connector assignment
    • Notes
    • Connector A
    • Connector C
• Control module function - external Harman amplifier
  • Terminating resistors on the CAN
  • CAN comfort
  • CD changer (CDC)
  • Coding table
  • Coding
  • Data transfer fault
  • Function of the components
  • Gateway
  • Identification
  • Actual values
  • Man Machine Interface (MMI)
  • MOST actual and required installed components lists
  • MOST lock/MOST unlock
  • MOST - optical/electrical
  • MOST switch
  • MOST unlock counter
  • Navigation
  • Ring break diagnosis line
  • Input signals
  • Single CD
  • Special function
  • Voice control system (VOCS (optional))
  • Drive links
  • PCM2 control module (head unit)
    • Notes
    • Internal:
    • External:
  • Telephone/telematics
  • Tuner
  • External amplifier
  • Internal amplifier
  • Wake-up function
• External Harman amplifier fault overview
• 8001 External Harman amplifier
  • Supply voltage
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 8002 External Harman amplifier
  • Malfunction in internal memory
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting on the external amplifier
• 8003 External Harman amplifier
  • Malfunction in front loudspeaker
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting for Harman
• 8004 External Harman amplifier
  • Malfunction in rear loudspeaker
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 8005 External Harman amplifier
  • Malfunction in left subwoofer channel
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 8006 External Harman amplifier
  • Malfunction in right subwoofer channel
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 8007 External Harman amplifier
  • No load on left subwoofer
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting for Harman
• 8008 External Harman amplifier
  • No load on right subwoofer
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 8009 External Harman amplifier
  • Incorrect coding
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting for Harman
• Introduction - external BOSE amplifier
  • Notes
  • General instructions/safety instructions
  • General information on the fault memory
    • Fault code setting conditions
    • Fault memory Info key F8
    • Vehicle hand-over
  • Display * in the menu Control modules and menu PCM2/ CDR23 MOST component check.
  • Control module replacement - PCM2
  • Replacing CDR23 control modules
• Tools - external BOSE amplifier
  • Notes
  • Porsche System Tester II 9588
  • Commercially available digital multimeter
  • Measurement tool set 9684
  • Optical waveguide test line 9712
• Component arrangement - external BOSE amplifier
• External BOSE amplifier connector assignment
  • Connector assignment
    • Notes
    • Connector A, loudspeaker
    • Connector B, microphone
    • Connector C, optical waveguide
• Control module function - external BOSE amplifier
  • Terminating resistors on the CAN
  • CAN comfort
  • CD changer (CDC)
  • Coding table
  • Coding
  • Data transfer fault
  • Function of the components
  • Gateway
  • Identification
  • Actual values
  • Man Machine Interface (MMI)
  • MOST actual and required installed components lists
  • MOST component check
    • Notes
    • MOST System check (ignition on.)
    • Diagnosis, open circuit in distribution line (ignition on.)
    • Optical performance check
    • Data transmission check
    • MOST system check (with engine running)
    • Ring break diagnosis (with engine running)
  • MOST lock/MOST unlock
  • MOST - optical/electrical
  • MOST switch
  • MOST unlock counter
  • Navigation
  • Ring break diagnosis line
  • Single CD
  • Voice control system (VOCS (optional))
  • PCM2 control module (head unit)
    • Notes
    • Internal:
    • External:
  • Input signals
  • Telephone/telematics (optional)
  • Tuner
  • External amplifier
  • Internal amplifier
  • Wake-up function
• External BOSE amplifier fault overview
• 8001 External BOSE amplifier
  • Supply voltage
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Battery voltage too low
    • Diagnosis/troubleshooting
  • Battery voltage too high
    • Diagnosis/troubleshooting
• 8002 External BOSE amplifier
  • Malfunction in internal memory
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting on the external amplifier
• 8003 External BOSE amplifier
  • Fault in front left loudspeaker channel/left door speaker
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting - BOSE
• 8004 External BOSE amplifier
  • Fault in front right/rear right loudspeaker channel
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting - BOSE
• 8005 External BOSE amplifier
  • Fault in rear left loudspeaker channel or right door speaker
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting - BOSE
• 8009 External BOSE amplifier
  • Incorrect coding/programming
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting-BOSE
• 800A External BOSE amplifier
  • Microphone signal faulty
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 800B External BOSE amplifier
  • Microphone signal faulty
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 8011 External BOSE amplifier
  • Malfunction in front left loudspeaker
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 8012 External BOSE amplifier
  • Malfunction in front right loudspeaker
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 8013 External BOSE amplifier
  • Malfunction in rear left loudspeaker
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 8014 External BOSE amplifier
  • Malfunction in rear right loudspeaker
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 8015 External BOSE amplifier
  • Malfunction in loudspeaker for left door speaker
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 8016 External BOSE amplifier
  • Malfunction in right door speaker
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 8017 External BOSE amplifier
  • Malfunction in front subwoofer
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 8018 External BOSE amplifier
  • Malfunction in rear subwoofer
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• Telephone/telematics - Introduction
  • Notes
  • General instructions/safety instructions
  • General information on the fault memory
    • Fault code setting conditions
    • Fault memory Info key "F8"
    • Vehicle hand-over
  • Display * in the menu Control modules and menu PCM2/ CDR23 MOST component check
  • Control module replacement - PCM2
  • Coding PCM2
  • Country-specific tuner settings
  • Coding country-specific tuner settings
• Telephone/telematics tools
  • Notes
  • Porsche System Tester II 9588
  • Commercially available digital multimeter
  • Measurement tool set 9684
  • Optical waveguide test line 9712
• Telephone/telematics component arrangement
• Telephone/telematics connector assignment
  • Connector assignment
    • Notes
    • Connector A
    • Connector B
    • Connector C
• Telephone/telematics control module function
  • Terminating resistors in the CAN
  • CAN comfort
  • CD changer (CDC)
  • Coding table
  • Coding
  • Data transfer fault
  • Installation position of the control module
  • Function of the components
  • Gateway
  • Identification
  • Actual values
  • Lock/MOST unlock
  • Man Machine Interface (MMI)
  • MOST actual and required installed components lists
  • MOST component check
    • Notes
    • MOST System check (ignition on.)
    • Ring break diagnosis (ignition on.)
    • Optical performance check
    • Data transmission check
    • MOST system check (when the engine is running)
    • Ring break diagnosis (when the engine is running)
  • MOST switch
  • Navigation
  • Ring break diagnosis line
  • Input signals
  • Voice control system (VOCS)
  • Drive links
  • PCM2 control module (head unit)
    • Notes
    • Internal:
    • External:
  • Telephone/telematics
  • MOST unlock counter
  • External amplifier
  • Internal amplifier
  • Wake-up function
• Telephone/telematics fault overview
• 9603 Telephone/telematics
  • Fault in external telephone handset (optional)
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 9604 Telephone/telematics
  • GSM antenna fault
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 9605 Telephone/telematics
  • Malfunction in internal memory
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 9606 Telephone/telematics
  • No MOST communication.
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• Navigation - introduction
  • Notes
  • General instructions/safety instructions
  • General information on the fault memory
    • Fault code setting conditions
    • Fault memory Info key F8
• Radio, Navigation & Pcm Diagnosis - 911 CARRERA (996)
  • Notes
  • Display * in the menu Control modules and menu PCM2/CDR23 MOST component check.
  • Vehicle hand-over
  • Control module replacement - PCM2
  • Coding PCM2
  • Country-specific tuner settings
  • Coding country-specific tuner settings
• Navigation tools
  • Notes
  • Porsche System Tester II 9588
  • Commercially available digital multimeter
  • Measurement tool set 9684
  • Optical waveguide test line 9712
• Navigation component arrangement
• Navigation connector assignment
  • Connector assignment
    • Notes
    • Plug A, black, power supply
    • Plug B, brown, loudspeaker output
    • Connector C, yellow, CAN Comfort
    • Plug D, green, microphone
    • Plug E, blue, emergency call
    • Plug F, antenna
    • Connector H, MOST
• Navigation control module function
  • Terminating resistors in the CAN
  • CAN comfort
  • CD changer (CDC)
  • Coding table
  • Coding
  • Data transfer fault
  • Function of the components
  • Gateway
  • Identification
  • Man Machine Interface (MMI)
  • MOST actual and required installed components lists
  • MOST component check
    • Notes
    • MOST System check (ignition on.)
    • Diagnosis, open circuit in distribution line (ignition on.)
    • Optical performance check
    • Data transmission check
    • MOST system check (with engine running)
    • Ring break diagnosis (with engine running)
  • MOST lock/MOST unlock
  • MOST - optical/electrical
  • MOST switch
  • MOST unlock counter
  • Navigation
  • Ring break diagnosis line
  • Input signals
  • Single CD
  • Voice control system (VOCS (optional))
  • Drive links
  • PCM2 control module (head unit).
    • Notes
    • Internal:
    • External:
  • Telephone/telematics (optional)
  • Tuner
  • External amplifier
  • Internal amplifier
  • Wake-up function
• Navigation fault overview
• 8002 Navigation
  • Internal communication error
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting on the PCM2 navigation module
• 8020 Navigation
  • Short circuit in GPS antenna
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pins
  • Diagnosis/Troubleshooting
• 8021 Navigation
  • Open circuit in GPS antenna
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pins
  • Diagnosis/troubleshooting
• 8025 Navigation
  • Data CD read error
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• CDR23 - Introduction
  • Notes
  • General instructions/safety instructions
  • General information on the fault memory
    • Fault code setting conditions
    • Fault memory Info key "F8"
    • Vehicle hand-over
  • Display * in the menu Control modules and menu PCM2/ CDR23 MOST component check.
  • CDR23 Replacement
• CDR23 tools
  • Notes
  • Porsche System Tester II 9588
  • Commercially available digital multimeter
  • Measurement tool set 9684
  • Optical waveguide test line 9712
• CDR23 component arrangement
• CDR23 connector assignment
  • Connector assignment
    • Notes
    • Connector A, black, power supply
    • Connector B, brown, loudspeaker output
    • Connector C, yellow, CAN comfort
    • Connector D, green
    • Connector E, blue
    • Connector F, antenna
    • Connector G, MOST, optical
• CDR23 control module function
  • Terminating resistors on the CAN
  • CAN comfort
  • CD changer (CDC)
  • Coding table
  • Coding
  • Data transfer fault
  • Function of the components
  • Gateway
  • Identification
  • Actual values
  • MOST actual and required installed components lists
  • MOST component check
    • Notes
    • MOST System check (ignition on.)
    • Diagnosis, open circuit in distribution line (ignition on.)
    • Optical performance check
    • Data transmission check
    • MOST system check (with engine running)
    • Ring break diagnosis (with engine running)
  • MOST lock/MOST unlock
  • MOST - optical/electrical
  • MOST unlock counter
  • Ring break diagnosis line
  • Input signals
  • Single CD
  • Drive links
  • CDR23 control module
    • Notes
    • Internal:
    • External:
  • External amplifier
  • Wake-up function
• CDR23 fault overview
• 8001 CDR23
  • Voltage supply
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pins
  • Diagnosis/troubleshooting
• 8004 CDR23
  • CAN comfort bus OFF
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pins
  • Diagnosis/troubleshooting
• 8005 CDR23
  • CAN comfort time-out, instrument cluster
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pins
  • Diagnosis/troubleshooting
• 8007 CDR23
  • Open circuit in diagnosis ring line
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 8009 CDR23
  • Open circuit in MOST ring line, optical/electrical open circuit
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 800A CDR23
  • CAN comfort signal fault, air-conditioning system
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 800B CDR23
  • CAN comfort signal fault, instrument cluster
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pin
  • Diagnosis/troubleshooting
• 8013 CDR23
  • Operating buttons are jammed
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 8014 CDR23
  • Single CD drive overheating
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 8015 CDR23
  • Audio CD cannot be read
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 8016 CDR23
  • Control module faulty
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• CD changer - Introduction
  • Notes
  • General instructions/safety instructions
  • General information on the fault memory
    • Fault code setting conditions
    • Fault memory Info key "F8"
    • Vehicle hand-over
  • Display * in the menu Control modules and menu PCM2/ CDR23 MOST component check.
  • Control module replacement
    • Pcm2
    • Coding PCM2
• CD changer tools
  • Notes
  • Porsche System Tester II 9588
  • Commercially available digital multimeter
  • Measurement tool set 9684
  • Optical waveguide test line 9712
• CD changer component arrangement
• CD changer connector assignment
  • CD changer plug connections
    • Notes
    • Connector A
    • Connector B
• CD changer control module function
  • Terminating resistors on the CAN
  • CAN comfort
  • CD changer (CDC)
  • Coding
  • Data transfer fault
  • Extended fault memory
  • Function of the components
  • Gateway
  • Identification
  • Actual values
  • Man Machine Interface (MMI)
  • MOST actual and required installed components lists
  • MOST component check
    • Notes
    • MOST System check (ignition on.)
    • Diagnosis, open circuit in distribution line (ignition on.)
    • Optical performance check
    • Data transmission check
    • MOST system check (with engine running)
    • Ring break diagnosis (with engine running)
  • MOST lock/MOST unlock
  • MOST - optical/electrical
  • MOST switch
  • MOST unlock counter
  • Navigation
  • Ring break diagnosis line
  • Input signals
  • Single CD
  • Voice control system (VOCS (optional))
  • PCM2 control module (head unit).
    • Notes
    • Internal:
    • External:
  • Telephone/telematics
  • Tuner
  • External amplifier
  • Internal amplifier
  • Wake-up function
• CD changer fault overview
• 8001 CD changer
  • Audio CD read error
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pins
  • Diagnosis/troubleshooting
• 8002 CD changer
  • Read speed control fault
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 8003 CD changer
  • Audio CD read error (formatting error on CD)
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 8004 CD changer
  • Fault in speed control unit
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 8005 CD changer
  • Mechanical fault in read unit control
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 8006 CD changer
  • Mechanical fault while inserting CD into magazine
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 8007 CD changer
  • Mechanical fault while removing CD from magazine
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 8008 CD changer
  • Mechanical fault while lifting audio CD into reader
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 8009 CD changer
  • Mechanical fault while removing audio CD from reader
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 800A CD changer
  • Mechanical fault while ejecting magazine
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 800B CD changer
  • Internal communication fault in CD changer
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting
• 8011 CD changer
  • Malfunction in internal memory
    • Diagnostic conditions
    • Possible cause of fault
  • Diagnosis/troubleshooting