Anti-Theft & Central Locking System -- 170 Chassis

• Diagnostic Trouble Code List
• General Information
  • General notes: Passenger cars: Central locking, convenience feature, drive authorization system - AH80.00-Z-9999AZ
  • General notes for retrofitting extended anti-theft alarm (EATA) - AH80.50-P-0001-01A
• Basic Knowledge
  • Central locking (CL), location of electric components - GF80.20-P-0005
    • Central locking (CL), location of electric components - GF80.20-P-0005-02C
    • Central locking (CL), interlinkage of electric components - GF80.20-P-0005-03C
    • Central locking (CL), location of pneumatic components - GF80.20-P-0005-04C
    • Central locking (CL), pneumatic system equipment, location of electric components - GF80.20-P-0005-05C
    • Central locking (CL), PSE control module, interlinkage of electric components - GF80.20-P-0005-06C
    • Central locking (CL), pneumatic system equipment, location of pneumatic components - GF80.20-P-0005-07C
  • Radio/infrared remote control for central locking with drive authorization system stage 2b, function - GF80.30-P-0003A
  • Radio/infrared remote control for central locking (RFL/RCL) function - GF80.30-P-0005A
    • Notes
    • Radio frequency locking/remote central locking (RFL/RCL), location of components - GF80.30-P-0005-01C
    • Radio frequency locking/remote central locking (RFL/RCL), networking of components - GF80.30-P-0005-02C
  • Drive authorization system, stage X, function - GF80.30-P-2002F
  • Function of drive authorization system stage 2b - GF80.30-P-2004A
  • Unlocking vehicle - GF80.30-P-3000C
  • Locking vehicle - GF80.30-P-3001C
  • Enabling engine control - GF80.30-P-3004
    • Enabling engine control, function - GF80.30-P-3004A
    • Enabling engine control - GF80.30-P-3004B
  • Locking status confirmation, function - GF80.30-P-3005A
  • Remote control key with transponder, purpose/design/function - GF80.30-P-4001A
    • Notes
    • Remote control key with transponder, function - GF80.30-P-4001-01A
  • Pneumatic system equipment, location/purpose/design/function - GF80.30-P-4004A
    • Notes
    • Pneumatic system equipment function - GF80.30-P-4004-01C
    • Pneumatic system equipment Location - GF80.30-P-4004-05A
  • Transponder, location/purpose/design/function - GF80.30-P-4006A
  • Transponder coil, location/purpose/function - GF80.30-P-4007A
  • Pneumatic system equipment control module automatic locking, function - GF80.30-P-4013A
  • PSE control module emergency unlocking, function - GF80.30-P-4014A
  • Pneumatic system equipment control module relocking, function - GF80.30-P-4015A
  • Anti-theft alarm (ATA), function - GF80.50-P-0001
    • Anti-theft alarm (ATA), function - GF80.50-P-0001D
      • Notes
      • Anti-theft alarm, interlinkage of components - GF80.50-P-0001-03B
    • Anti-theft alarm (ATA), function - GF80.50-P-0001I
      • Notes
      • Anti-theft alarm (ATA), location of components - GF80.50-P-0001-02J
  • Interior motion sensor/anti-towing sensor, function - GF80.50-P-0002B
    • Notes
    • Interior motion sensor/anti-towing sensor, location of components - GF80.50-P-0002-01B
  • Table of contents, function description of interior motion sensor/anti-towing sensor - GF80.50-P-0997B
  • Table of contents, function description of anti-theft alarm (ATA) - GF80.50-P-0999B
  • Activating anti-theft alarm, function - GF80.50-P-2002
    • Activating anti-theft alarm, function - GF80.50-P-2002E
    • Activating anti-theft alarm (ATA), function - GF80.50-P-2002I
  • Deactivating anti-theft alarm, function - GF80.50-P-2003
    • Deactivating anti-theft alarm, function - GF80.50-P-2003D
    • Deactivating anti-theft alarm (ATA), function - GF80.50-P-2003I
  • Tripping of anti-theft alarm (ATA), function - GF80.50-P-2004
    • Tripping of anti-theft alarm (ATA), function - GF80.50-P-2004D
    • Tripping of anti-theft alarm (ATA), function - GF80.50-P-2004I
  • Alarm triggered by exterior surface contact, function - GF80.50-P-3015D
  • Alarm triggering by brake contact, function - GF80.50-P-3016B
  • Alarm triggering by interior motion sensor, function - GF80.50-P-3022K
  • Alarm triggered by anti-towing sensor (TS), function - GF80.50-P-3023B
  • Switching off anti-towing sensor, function - GF80.50-P-3024
    • Switching off anti-towing sensor, function - GF80.50-P-3024C
    • Switching off anti-towing sensor, function - GF80.50-P-3024K
  • Switching off interior motion sensor, function - GF80.50-P-3025K
  • Alarm activated by alarm signal siren, function - GF80.50-P-3026A
  • Activating alarm signal siren function - GF80.50-P-3027A
  • Acoustic alarm, function - GF80.50-P-4005
    • Acoustic alarm, function - GF80.50-P-4005B
    • Acoustic alarm, function - GF80.50-P-4005D
  • Optical alarm, function - GF80.50-P-4006
    • Optical alarm, function - GF80.50-P-4006B
    • Optical alarm, function - GF80.50-P-4006D
  • Interior motion sensor/anti-towing sensor/ATA status indicator switch, location/purpose/design/function - GF80.50-P-4103K
    • Notes
    • Interior motion sensor/anti-towing sensor/ATA status indicator switch, location - GF80.50-P-4103-01K
    • Interior motion sensor/anti-towing sensor/ATA status indicator switch, function - GF80.50-P-4103-02D
  • Inclination sensor arrangement/purpose/design/function - GF80.50-P-4105A
    • Notes
    • ATA inclination sensor, function - GF80.50-P-4105-01A
    • ATA anti-towing sensor, location - GF80.50-P-4105-02C
  • ATA status/towing protection switch, location/purpose/design/function - GF80.50-P-4108A
    • Notes
    • ATA status/towing protection switch, location - GF80.50-P-4108-01A
    • ATA status/towing protection switch, function - GF80.50-P-4108-02A
  • Alarm signal siren, location/purpose/design/function - GF80.50-P-4110A
    • Notes
    • Alarm signal siren, location - GF80.50-P-4110-01B
    • Alarm signal horn, function - GF80.50-P-4110-04A
  • Drive authorization system stage 2b (DAS 2b), function - GF80.57-P-0002A
    • Notes
    • Drive authorization system stage 2b (DAS 2b), location of components - GF80.57-P-0002-01A
  • Table of contents, function description of drive authorization system stage 2b (DAS 2b) - GF80.57-P-0997AZ
  • Checking drive authorization, function - GF80.57-P-3001B
  • Remote control key, purpose/design/function - GF80.57-P-4101B
    • Notes
    • Remote control key, function - GF80.57-P-4101-02B
  • Radio frequency DAS control module, location/purpose - GF80.57-P-4105A
    • Notes
    • Radio frequency DAS control module, purpose - GF80.57-P-4105-02A
• Trouble Diagnosis
  • Moisture penetrates into the PSE pump causing the plug to corrode, the central locking system to malfunction and the antitheft alarm to malfunction - AF80.00-P-4001AU
    • Notes
    • Possible leaks in the trunk - AF80.00-P-4001-01A
  • Radio remote control does not operate at various locations - AF80.35-P-6002B
  • Antitheft alarm system sounds intermittently for no apparent reason - AF80.50-P-6005DG
• Self-Diagnostic System
  • Pneumatic system equipment (PSE), diagnosis, contents - AD80.20-P-1000AZ
  • Central locking (CL), diagnosis, contents - AD80.20-P-1001AZ
  • Pneumatic system equipment (PSE), diagnosis, advanced information - AD80.20-P-2000A
    • Notes
    • Diagnostic tools, PSE - AD80.20-P-2000-01A
    • Pneumatic system equipment, general notes on diagnosis, advanced information, PSE - AD80.20-P-2000-02A
    • Notes on fault code, diagnosis, advanced information, PSE - AD80.20-P-2000-03A
    • Notes on function check actual values, diagnosis, advanced information, PSE - AD80.20-P-2000-04A
    • Connecting socket box with test wiring harness, diagnosis, advanced information, PSE - AD80.20-P-2000-05C
    • Notes on testing pneumatics, diagnosis, advanced information, PSE - AD80.20-P-2000-06A
    • Pneumatic connections, diagnosis, advanced information, PSE - AD80.20-P-2000-07C
    • Variant coding of pneumatic system equipment, diagnosis, advanced information, PSE - AD80.20-P-2000-08A
    • Notes on connectors at the PSE - AD80.20-P-2000-10A
  • Central locking (CL), diagnosis, advanced information - AD80.20-P-2001A
    • Notes
    • Diagnostic tools, CL - AD80.20-P-2001-01A
    • Central locking, general notes on diagnosis, advanced information, CL - AD80.20-P-2001-02A
  • Pneumatic system equipment (PSE), diagnosis, function check - AD80.20-P-3000A
  • Central locking (CL), diagnosis, function check - AD80.20-P-3001A
  • Pneumatic system equipment (PSE) diagnosis, fault memory (Fault Codes B1000, B1010, B1011, B1021, B1024, B1025, B1100, B1436, B1729) - AD80.20-P-4000AC
  • Pneumatic system equipment (PSE), testing electrical system - AD80.20-P-6000A
    • Notes
    • Voltage supply, testing electrical system, PSE - AD80.20-P-6000-01A
    • Right front/left front door switch, testing electrical system, PSE - AD80.20-P-6000-03B
    • Right front/left front door switch, testing electrical system, PSE - AD80.20-P-6000-03C
    • Rotary tumbler changeover switch, testing electrical system, PSE - AD80.20-P-6000-08A
    • CAN data bus, testing electrical system, PSE - AD80.20-P-6000-09A
    • CAN data buses, testing electrical system, PSE - AD80.20-P-6000-09B
    • CAN data bus, testing electrical system, PSE - AD80.20-P-6000-09C
    • CAN data bus, testing electrical system, PSE - AD80.20-P-6000-09D
    • CAN data bus, testing electrical system, PSE - AD80.20-P-6000-09E
    • CAN data bus, testing electrical system, PSE - AD80.20-P-6000-09F
    • CAN data bus, testing electrical system, PSE - AD80.20-P-6000-09G
  • Central locking (CL), testing electrical system - AD80.20-P-6001A
    • Notes
    • Interior switch (CL), testing electrical system, CL - AD80.20-P-6001-01A
    • Door contact status, testing electrical system, CL - AD80.20-P-6001-07A
    • Left front/right front door switch circuit, testing electrical system, CL - AD80.20-P-6001-08A
    • Left front/right front door switch circuit, testing electrical system, CL - AD80.20-P-6001-08B
  • Pneumatic system equipment (PSE), testing pneumatics - AD80.20-P-8000A
    • Notes
    • Central locking of driver's door, testing pneumatics, PSE - AD80.20-P-8000-01A
    • Central locking of driver's door, testing pneumatics, PSE - AD80.20-P-8000-01B
    • Central locking of front passenger's door/rear doors, testing pneumatics, PSE - AD80.20-P-8000-03A
    • Central locking of front passenger's door/rear doors, testing pneumatics, PSE - AD80.20-P-8000-03B
    • Central locking of trunk lid, testing pneumatics, PSE - AD80.20-P-8000-05A
    • Central locking of trunk lid, testing pneumatics, PSE - AD80.20-P-8000-05B
    • Central locking of fuel tank flap, testing pneumatics, PSE - AD80.20-P-8000-07A
    • Central locking of fuel tank flap, testing pneumatics, PSE - AD80.20-P-8000-07B
    • Retractable trunk lid grip, testing pneumatics, PSE - AD80.20-P-8000-13A
    • Retractable trunk lid grip, testing pneumatics, PSE - AD80.20-P-8000-13B
    • Central locking, safety switching time, testing pneumatics, PSE - AD80.20-P-8000-15A
  • Central locking (CL), testing pneumatics - AD80.20-P-8001A
    • Notes
    • Complete system, driver's door, testing pneumatics, CL - AD80.20-P-8001-01A
    • Complete system, driver's door, testing pneumatics, CL - AD80.20-P-8001-01B
    • Complete system, front passenger's door/rear doors/trunk lid, testing pneumatics, CL - AD80.20-P-8001-02A
    • Complete system, front passenger's door/rear doors/trunk lid, testing pneumatics, CL - AD80.20-P-8001-02B
    • Complete system, fuel tank flap, testing pneumatics, CL - AD80.20-P-8001-04A
    • Complete system, fuel tank flap, testing pneumatics, CL - AD80.20-P-8001-04B
    • Line with actuator, front passenger's door/trunk lid, testing pneumatics, CL - AD80.20-P-8001-06A
    • Line with actuator, front passenger's door/trunk lid, testing pneumatics, CL - AD80.20-P-8001-06B
    • Actuators, testing pneumatics, CL - AD80.20-P-8001-07A
    • Actuators, testing pneumatics, CL - AD80.20-P-8001-07B
    • Lines, testing pneumatics, CL - AD80.20-P-8001-08A
    • Lines, testing pneumatics, CL - AD80.20-P-8001-08B
  • Radio frequency locking/remote central locking (RFL/RCL) diagnosis, contents - AD80.35-P-1000AZ
  • Radio frequency locking/remote central locking (RFL/RCL) diagnosis, advanced information - AD80.35-P-2000A
    • Notes
    • Note on function of radio frequency locking/remote central locking (RFL/RCL) - AD80.35-P-2000-01A
    • Note on function check of radio frequency locking/remote central locking (RFL/RCL) - AD80.35-P-2000-02A
    • Note on fault memory of radio frequency locking/remote central locking (RFL/RCL) - AD80.35-P-2000-03A
    • Diagnostic tools, radio frequency locking/remote central locking (RFL/RCL) - AD80.35-P-2000-04A
    • Connecting diagram for socket box, radio frequency locking/remote central locking (RFL/RCL) control module - AD80.35-P-2000-05A
    • Control module, variant coding of radio frequency locking/remote central locking (RFL/RCL) - AD80.35-P-2000-06A
  • Radio frequency locking/remote central locking (RFL/RCL) diagnosis, function check - AD80.35-P-3000A
  • Radio frequency locking/remote central locking (RFL/RCL) diagnosis, function check of actual values - AD80.35-P-3001A
  • Radio frequency locking/remote central locking (RFL/RCL) diagnosis, function check of actuations - AD80.35-P-3002A
  • Radio frequency locking/remote central locking (RFL/RCL) diagnosis, fault memory (Fault Codes B1000, B1100, B1101, B1102, B1103, B1701, B1702, B1703, B1704, B1706) - AD80.35-P-4000A
  • Radio frequency locking/remote central locking (RFL/RCL), testing electrical system - AD80.35-P-6000A
    • Notes
    • Control module voltage supply, terminal 30, testing electrical system (RFL/RCL) - AD80.35-P-6000-01A
    • Control module voltage supply, terminal 15, testing electrical system (RFL/RCL) - AD80.35-P-6000-02A
    • Radio antenna screening, testing electrical system (RFL/RCL) - AD80.35-P-6000-03A
    • Radio antenna, short-circuit to positive, testing electrical system (RFL/RCL) - AD80.35-P-6000-04A
    • Radio antenna, short-circuit to ground, testing electrical system (RFL/RCL) - AD80.35-P-6000-05A
    • Left front door IR receiver voltage supply, testing electrical system (RFL/RCL) - AD80.35-P-6000-06A
    • Left front door IR receiver, IR signal control line, testing electrical system (RFL/RCL) - AD80.35-P-6000-07A
    • Right front door IR receiver voltage supply, testing electrical system (RFL/RCL) - AD80.35-P-6000-08A
    • Right front door IR receiver, IR signal control line, testing electrical system (RFL/RCL) - AD80.35-P-6000-09A
    • Actuation of relay/combination relay module, locking, testing electrical system (RFL/RCL) - AD80.35-P-6000-10A
    • Actuation of relay/combination relay module, unlocking, testing electrical system (RFL/RCL) - AD80.35-P-6000-11A
    • Actuation of relay/combination relay module, short-circuit to ground, testing electrical system (RFL/RCL) - AD80.35-P-6000-12A
    • Actuation of relay/combination relay module, short-circuit to positive, testing electrical system (RFL/RCL) - AD80.35-P-6000-13A
    • Electric circuit, left front door lock switch (CF), testing electrical system (RFL/RCL) - AD80.35-P-6000-14A
    • Electric circuit, trunk lid lock switch (CF), testing electrical system (RFL/RCL) - AD80.35-P-6000-15A
    • Output signal from control module when locking (SN1), testing electrical system (RFL/RCL) - AD80.35-P-6000-16A
    • Signal from control line when unlocking, short-circuit to positive, testing electrical system (RFL/RCL) - AD80.35-P-6000-18A
    • Signal from control line when unlocking, short-circuit to ground, testing electrical system (RFL/RCL) - AD80.35-P-6000-19A
    • Signal from control line when locking, short-circuit to positive, testing electrical system (RFL/RCL) - AD80.35-P-6000-20A
    • Signal from control line when locking, short-circuit to ground, testing electrical system (RFL/RCL) - AD80.35-P-6000-21A
    • Actuation of transponder coil, testing electrical system (RFL/RCL) - AD80.35-P-6000-22A
    • Transponder coil resistance, testing electrical system (RFL/RCL) - AD80.35-P-6000-23A
    • CAN H/CAN L data bus, short-circuit between each other, testing electrical system (RFL/RCL) - AD80.35-P-6000-24A
    • CAN L data bus, cable open-circuit, testing electrical system (RFL/RCL) - AD80.35-P-6000-25A
    • CAN H data bus, cable open-circuit, testing electrical system (RFL/RCL) - AD80.35-P-6000-26A
    • CAN L data bus, short-circuit to positive, testing electrical system (RFL/RCL) - AD80.35-P-6000-27A
    • CAN H data bus, short-circuit to positive, testing electrical system (RFL/RCL) - AD80.35-P-6000-28A
    • CAN L data bus, short-circuit to ground, testing electrical system (RFL/RCL) - AD80.35-P-6000-29A
    • CAN H data bus, short-circuit to ground, testing electrical system (RFL/RCL) - AD80.35-P-6000-30A
  • Anti-theft alarm (ATA) diagnosis contents - AD80.50-P-1000AZ
  • Anti-theft alarm (ATA) diagnosis previous knowledge - AD80.50-P-2000A
    • Notes
    • Notes on anti-theft alarm (ATA) - AD80.50-P-2000-01A
    • Anti-theft alarm (ATA) test of electrical system tools - AD80.50-P-2000-02A
    • Anti-theft alarm (ATA) control module version coding - AD80.50-P-2000-03A
    • Anti-theft alarm (ATA) socket box connection diagram - AD80.50-P-2000-05A
    • ATA tilt sensor connector assignment - AD80.50-P-2000-08A
    • ATA alarm signal siren connector assignment - AD80.50-P-2000-10A
  • Anti-theft alarm (ATA) diagnosis operational check - AD80.50-P-3000A
  • Anti-theft alarm (ATA) diagnosis operational check actual value/actuations - AD80.50-P-3001A
  • Anti-theft alarm (ATA) diagnosis, DTC memory (Fault Codes B100, B1010, B1011, B1021, B1024, B1025, B1101, B1132, B1276, B1435, B1436, B1438, B1709, B1710, B1711, B1712, B1713, B1719, B1720, B1722, B1725, B1726, B1729) - AD80.50-P-4000A
  • Anti-theft alarm (ATA) test of electrical system - AD80.50-P-6000A
    • Notes
    • Anti-theft alarm (ATA) test of electrical system hood switch - AD80.50-P-6000-01B
    • Anti-theft alarm (ATA) test of electrical system hood switch - AD80.50-P-6000-01K
    • Anti-theft alarm (ATA) test of electrical system stop lamp switch - AD80.50-P-6000-02B
    • Anti-theft alarm (ATA) test of electrical system alarm signal horn - AD80.50-P-6000-03B
    • Anti-theft alarm (ATA) test of electrical system alarm signal siren - AD80.50-P-6000-04B
    • Anti-theft alarm (ATA) test of electrical system alarm signal siren - AD80.50-P-6000-04K
    • Anti-theft alarm (ATA) test of electrical system headlamp alarm circuit - AD80.50-P-6000-05B
    • Anti-theft alarm (ATA) test of electrical system IMS/towing sensor/status display - AD80.50-P-6000-06B
    • Anti-theft alarm (ATA) test of electrical system IMS/towing sensor/status display - AD80.50-P-6000-06K
    • Anti-theft alarm (ATA) test of electrical system status display - AD80.50-P-6000-07B
    • Anti-theft alarm (ATA) test of electrical system status display - AD80.50-P-6000-07K
    • Anti-theft alarm (ATA) test of electrical system towing sensor - AD80.50-P-6000-08B
    • Anti-theft alarm (ATA) test of electrical system towing sensor - AD80.50-P-6000-08K
    • Anti-theft alarm (ATA) test of electrical system pneumatic system equipment - AD80.50-P-6000-14A
    • Anti-theft alarm (ATA) test of electrical system pneumatic system equipment - AD80.50-P-6000-14K
    • Anti-theft alarm (ATA) test of electrical system left front door contact switch - AD80.50-P-6000-15A
    • Anti-theft alarm (ATA) test of electrical system left front door contact switch - AD80.50-P-6000-15K
    • Anti-theft alarm (ATA) test of electrical system right front door contact switch - AD80.50-P-6000-16A
    • Anti-theft alarm (ATA) test of electrical system right front door contact switch - AD80.50-P-6000-16K
    • Anti-theft alarm (ATA) test of electrical system trunk lid alarm circuit - AD80.50-P-6000-17A
    • Anti-theft alarm (ATA) test of electrical system trunk lid alarm circuit - AD80.50-P-6000-17K
    • Anti-theft alarm (ATA) test of electrical system glove compartment switch - AD80.50-P-6000-18A
    • Anti-theft alarm (ATA) test of electrical system glove compartment switch - AD80.50-P-6000-18K
    • Anti-theft alarm (ATA) test of electrical system turn signal alarm circuit - AD80.50-P-6000-19K
    • Anti-theft alarm (ATA) test of electrical system backup lamp circuit - AD80.50-P-6000-20A
    • ATA test of electrical system interior motion sensor transmitter and receiver unit - AD80.50-P-6000-42K
• Testing & Repair
  • Removing and installing CL actuator in front door - AR80.20-P-2160G
  • Removing and installing CL actuator in tank flap - AR80.20-P-2300G
  • Removing and installing trunk lid actuator - AR80.20-P-2400G
  • Removing and installing lock switch in trunk lid - AR80.20-P-2550G
  • Removing and installing central locking interior control switch - AR80.20-P-2650G
  • Removing and installing pneumatic system equipment control module (A37/2-A37/5) - AR80.20-P-2700G
  • Turn Pneumatic control unit (PSE) 180°; connections pointing down - AR80.20-P-2710G
  • Removing and installing CL element in center oddments tray - AR80.20-P-3650G
  • Removing and installing folding key in remote control key - AR80.30-P-4220G
  • Removing and installing closing confirmation relay - AR80.30-P-4520G
  • Checking remote control key batteries - AR80.35-P-4205G
  • Replacing batteries for remote control key - AR80.35-P-4210G
  • Synchronizing transmission signal of remote control - AR80.35-P-4215G
  • Removing, installing folding key in remote control key - AR80.35-P-4220G
  • Removing, installing radio frequency DAS control module - AR80.35-P-4500G
  • Removing, installing transponder coil - AR80.35-P-4515G
  • Removing and installing antitheft alarm (ATA) control module - AR80.50-P-9830G
  • Removing and installing ATA alarm signal siren - AR80.50-P-9840G
• Removal & Installation
  • Installing shut-off relay for anti-towing sensor actuation - SM80.50-P-0001B
  • Installing wiring harness of shutoff relay for anti-towing sensor actuation - SM80.50-P-0001-01B