Section 92 (Climate Units - Symptom Related Diagnostic Procedures (Coupe))
WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
- Checking Air Conditioning (A/C) System Function And Noise (1998)
- Checking Air Conditioning (A/C) System Function And Noise
- Notes
- General
- Checking Drive Belt
- Checking the Compressor With Continuous Drive
- Checking Pipes And Components
- Checking For Metal Shavings
- Replacing Component
- Filling Compressor Oil
- Vacuum Check
- Repair
- Filling
- Remedy Leakage
- Checking Pressure Switch (Pressostat)
- Checking Pressure On Low Pressure Side
- Leak Tracing And Function Check
- Draining
- Verification
- Verification, Continued
- Fault-Tracing Information
- Information
- Fault-Tracing Information
- Checking Air Conditioning (A/C) System Function And Noise
- Checking Communication With ECC Control Module (1998)
- Checking Communication With ECC Control Module
- Checking Power Supply
- Checking Communication With the ABS System
- Checking the Communication Cable
- Check Communication Cable, Power Supply And Ground For ECC Control Module
- Verification
- Checking Communication Equipment
- Checking Power Supply
- Checking Power Supply To the Data Link Connector (DLC)
- Checking the Fuse And the Cable
- Checking Power Ground To the Data Link Connector (DLC)
- Checking For An Open-Circuit
- Checking Data Link Connector (DLC) Signal Ground
- Checking Power Supply To the Adapter Box
- Replacing Component
- Checking Power Ground To the Adapter Box
- Checking Power Supply To Volvo Scan Tool (ST)
- Checking Ground To Volvo Scan Tool (ST)
- Checking Display Activation
- Fault-Tracing Information
- Checking Wiring
- Checking For A Short-Circuit In the Wiring
- Checking Communication With Other Diagnostic Systems
- Information
- Fault-Tracing Information
- Checking Communication With ECC Control Module
- Checking Communication With MCC Control Module (1998)
- Checking D+-Signal From Generator (Gen) (1998)
- Checking Passenger Compartment Temperature Sensor (ECC) (1998)
- Checking Performance (1998)
- Checking Performance
- Notes
- General
- Preparations
- Checking Air Temperature In the Dashboard Vents
- Checking Temperature In Expansion Pipe
- Checking Drier Temperature
- Replacing Component
- Vacuum Pumping
- Checking Refrigerant And Leakage
- Checking Leakage, Refrigerant And Leak Tracing
- Checking Pressure
- Checking A Missing Component
- Checking Blocked Expansion Pipe
- Installing Pipe
- Checking For Blockage Or Constriction
- Fault-Tracing Information
- Checking For Leakage
- Draining And Repairing
- Draining
- Vacuum Pumping And Filling Refrigerant
- Checking For Dirt
- Checking Pressure Switch (Pressostat)
- Verification
- Verification, Continued
- Information
- Fault-Tracing Information
- Checking Performance
- Checking Programming Blower Fan Speed (ECC) (1998)
- Checking Programming Of Driver Position (LHD/RHD) (ECC) (1998)
- Checking Programming Of Passenger Compartment Temperature (ECC) (1998)
- Checking Programming Of Passenger Compartment Ventilation Filter (ECC) (1998)
- Checking Self-Adjustment Of Damper Motors (ECC) (1998)
- Checking Solar Sensor (ECC) (1998)
- Checking Vehicle Speed Signal (1998)
- Fault Symptoms (1998)
- Reading Off Diagnostic Trouble Codes (DTCS), Climate Control (1998)
- Programming the ECC Control Module
- Reading Off Diagnostic Trouble Codes (DTCs), Climate Control
- Fault-Tracing Information
- Reading Off Diagnostic Trouble Codes (DTCs) Manual Climate Control (MCC/STD)
- Reading Off Diagnostic Trouble Codes (DTCs) Electronic Climate Control (ECC)
- Connecting
- Connecting the Volvo Scan Tool (ST)
- Communication Problems
- Checking Communication With ECC Control Module
- Checking Communication Equipment
- Checking Power Supply
- Checking Power Supply To the Data Link Connector (DLC)
- Checking the Fuse And The Cable
- Checking Power Ground To the Data Link Connector (DLC)
- Checking For An Open-Circuit
- Checking Data Link Connector (DLC) Signal Ground
- Checking Power Supply To the Adapter Box
- Replacing Component
- Checking Power Ground To the Adapter Box
- Checking Power Supply To Volvo Scan Tool (ST)
- Checking Ground To Volvo Scan Tool (ST)
- Checking Display Activation
- Fault-Tracing Information
- Checking Wiring
- Checking For A Short-Circuit In The Wiring
- Checking Communication With Other Diagnostic Systems
- Information
- Self-Adjustment Of Damper Motor Limit Positions (ECC)
- Checking A/C Compressor Control (1998-2002)
- Checking Air Conditioning (A/C) System Function And Noise (1999-2002)
- Checking the Air Conditioning (A/C) System Function And For Noise
- Notes
- General
- Checking the Drive Belt
- Checking the Compressor With Continuous Drive
- Checking Pipes And Components
- Checking For Metal Shavings
- Replacing Component
- Filling Compressor Oil
- Vacuum Check
- Repairs
- Filling
- Remedy Leakage
- Checking the Pressure Switch (Pressostat)
- Checking Pressure On Low Pressure Side
- Leak Tracing And Function Check
- Draining
- Verification
- Verification, Continued
- Checking Pressure Switch (Pressostat)
- Fault-Tracing Information
- Information
- Fault-Tracing Information
- Checking the Air Conditioning (A/C) System Function And For Noise
- Checking Blower Fan Control (ECC) (1998-2002)
- Checking Blower Fan Control (MCC) (1998-2002)
- Checking Climate Control Unit Drainage (1998-2002)
- Checking Communication With MCC Control Module (1999-2002)
- Checking D+ Signal From Generator (Gen) (1999-2002)
- Checking Damper (MCC/Standard) (1998-2002)
- Checking Evaporator Cleanliness (1998-2002)
- Checking Passenger Compartment Temperature Sensor (ECC) (1999-2002)
- Checking Passenger Compartment Ventilation Filter (1998-2002)
- Checking Performance (1999-2002)
- Checking Performance
- Notes
- General
- Preparations
- Checking Air Temperature In the Dashboard Vents
- Checking Temperature In Expansion Pipe
- Checking Drier Temperature
- Replacing Component
- Vacuum Pumping
- Checking Refrigerant And Leakage
- Checking Leakage, Refrigerant And Leak Tracing
- Checking Pressure
- Checking A Missing Component
- Checking Blocked Expansion Pipe
- Installing Pipes
- Checking For Blockage Or Constriction
- Fault-Tracing Information
- Checking For Leakage
- Draining And Repairing
- Draining
- Vacuum Pumping And Filling Refrigerant
- Checking For Dirt
- Checking Pressure Switch (Pressostat)
- Verification
- Verification, Continued
- Information
- Fault-Tracing Information
- Checking Performance
- Checking Programming Of Driver Position (LHD/RHD) (ECC) (1999-2002)
- Checking Programming Of Passenger Compartment Temperature (ECC) (1999-2002)
- Checking Programming Of Passenger Compartment Ventilation Filter (ECC) (1999-2002)
- Checking Programming, Blower Fan Speed (ECC) (1999-2002)
- Checking Rheostat (1998-2002)
- Checking Self-Adjustment Of Damper Motors (ECC) (1999-2002)
- Checking Solar Sensor (ECC) (1999-2002)
- Checking The Sun Sensor Programming (1998-1999)
- Checking Vehicle Speed Signal (1999-2002)
- Checking Vehicle Speed Signal Programming (1998-1999)
- Checking Windows (1998-2002)
- Checking Additional Heater (1999-2002)
- Checking Signal Cable To Timer Type 4 (1999-2002)
- Checking The Timer And Heater (1999-2002)
- Checking the Timer And Heater
- Checking the Supply Voltage To the System
- Checking Automatic Starting (With A Timer Unit)
- Choice Of Timer
- Checking the Timer Display, Phase 0
- Checking the Timer LED, Phase 1
- Manual Control Of the Heater
- Checking the Ground Connection On the Black Cable
- Checking For An Open-Circuit
- Checking the Voltage In the Red Cable
- Checking the Voltage In the Green Cable
- Checking the Blower Fan
- Overview
- Checking Components
- Checking the Function Of the Blower Fan
- Choice Of Climate Control
- Checking Fuses
- Fault-Tracing Information
- Checking the Function Of The Blower Fan In The Different Positions
- Checking the Power Supply
- Checking the Relay And Connectors
- Checking the Relay, Low Speed Fan
- Checking the Relay, Low Speed Fan Continued
- Check the Yellow Cable For Power Supply To the Blower Fan
- Checking For An Open-Circuit
- Checking the Connection To the Fan Control (Manual Climate Control)
- Checking the Connection To the Fan Control (Electronic Climate Control)
- Replacing the Component
- Manual Control Of The Heater From The Connectors Under The Car
- Checking the Combustion Fan, Phase 2
- Checking the Glow Phase, Phase 3
- Checking the Glow Phase, Phase 3, Continued
- Checking For An Open-Circuit Or Short-Circuit
- Checking the Starting Phase, Phase 4
- Checking the Start, Combustion, Phase 4
- Checking Operating Phase, Phase 5
- Checking Components
- Checking the Cooling Down Phase, Phase 6
- Checking Airing-Out
- Replacing the Component
- Checking the Nozzle Head
- Fault-Tracing Information
- Checking Timer Type 3 Via The Test Program
- Checking the Signal Cable To the Heater
- Checking the Heater Connections
- Checking the Maximum Speed Function Of the Blower Fan
- Checking the Blower Fan
- Checking the Ground Lead For the Heater
- Checking For An Open-Circuit
- Checking the Power Supply To the Heater
- Checking the Signal Cable To the Heater
- Checking the Ground Lead For the Control Module
- Checking the Power Supply To the Control Module
- Checking Timer Type 4 Via The Test Program
- Checking Glow Plugs
- Checking the Function Of the Glow Plug
- Checking the Function Of the Heater
- Checking the Ground Terminals
- Cleaning
- Checking the Combustion Fan Motor
- Checking the Operating Thermostat
- Checking the Operating Thermostat Wiring
- Verify
- Testing the Function Of the Operating Thermostat
- Replacing the Component
- Checking the Heater Controls
- Selecting the Type Of Climate Control System
- Checking the Diagnostic Trouble Codes (DTCs) For the Climate Control System
- Checking the Climate Control System
- Resetting
- Check the Fuel Lines
- Repairs, Wiring And Terminals
- Checking the Fuel Flow
- Checking the Water Pump
- Checking the Fuel Pump Circuit (Including the Overheat Protection Thermostat)
- Resetting the Overheat Protection Thermostat
- Checking the Coolant
- Checking the Overheat Protection Thermostat
- Checking the Fuel Pump (FP)
- Checking the Fuel Pump Circuit Wiring
- Checking Timer Type 3
- Checking Timer Type 4
- Blower Fan Connection, Manual Climate Control
- Blower Fan Connection, Electronic Climate Control
- Checking the Timer And Heater
- Checking Timer Type 4 (1999-2002)