Section 161 (HVAC DTC Based Diagnostics - Manual Three Zone Temperature Control)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2014 Volkswagen Routan, 2013 Volkswagen Routan, 2012 Volkswagen Routan, 2011 Volkswagen Routan, and 2010 Volkswagen Routan. However, it is still accessible from the selected car via links, so may be relevant.
- 00 General, Technical Data
- Manual Three Zone Temperature Control
- B1000-A/C Switch Request Input Circuit/Performance
- B1003-Panel Mode Switch Request Input Circuit/Performance
- B1006-Bi-Level Mode Switch Request Input Circuit/Performance
- B1009-Recirculation Switch Request Input Circuit/Performance
- B100C-Floor Mode Switch Request Input Circuit/Performance
- B100F-Mix Switch Request Input Circuit Performance
- B1012-Defrost Switch Request Input Circuit/Performance
- B1015-Rear Defrost Switch Request Input Circuit/Performance
- B1028-Rear Blower Control Request Input Circuit Low
- Notes
- Test Step 1 - Verify The DTC Is Active
- Test Step 2 - Check For Other Request Circuit Low DTCs
- Test Step 3 - Check The Rear A/C Heater Control Connector
- Test Step 4 - Check The (C800) 5 Volt Supply Circuit For A Short To Ground
- Test Step 5 - Check The (C800) 5 Volt Supply Circuit For An Open
- Test Step 6 - Check The (C11) Rear Blower Signal Circuit For A Short To Ground
- Test Step 7 - Check The (C11) Rear Blower Signal Circuit For An Open
- Test Step 8 - Check The HVAC Control Modules
- Test Step 9 - Check The Wiring And Connectors
- B1029-Rear Blower Control Request Input High
- Notes
- Test Step 1 - Verify The DTC Is Active
- Test Step 2 - Check For Other Rear Request Circuit High DTCs
- Test Step 3 - Check The (C11) Rear Blower Signal Circuit For A Short To Voltage
- Test Step 4 - Check The (C955) Signal Ground Circuit For A Short To Voltage
- Test Step 5 - Check The (C955) Signal Ground Circuit For An Open
- Test Step 6 - Check The HVAC Control Modules
- Test Step 7 - Check The Wiring And Connectors
- B102E-Rear Blend Request Input Circuit Low
- Notes
- Test Step 1 - Verify The DTC Is Active
- Test Step 2 - Check For Other Rear Request Circuit Low DTCs
- Test Step 3 - Check The Rear A/C Heater Control Connector
- Test Step 4 - Check The (C800) 5 Volt Supply Circuit For Short To Ground
- Test Step 5 - Check The (C800) 5 Volt Supply Circuit For An Open
- Test Step 6 - Check The (C254) Rear Blend Signal Circuit For A Short To Ground
- Test Step 7 - Check The (C254) Rear Blend Signal Circuit For An Open
- Test Step 8 - Check The HVAC Control Modules
- Test Step 9 - Check The Wiring And Connectors
- B102F-Rear Blend Request Input Circuit High
- Notes
- Test Step 1 - Verify The DTC Is Active
- Test Step 2 - Check For Other Rear Request Circuit High DTCs
- Test Step 3 - Check The (C955) Signal Ground Circuit For A Short To Voltage
- Test Step 4 - Check The (C955) Signal Ground Circuit For An Open
- Test Step 5 - Check The (C254) Rear Blend Signal Circuit For A Short To Voltage
- Test Step 6 - Check The HVAC Control Modules
- Test Step 7 - Check The Wiring And Connectors
- B1031-Evaporator Temperature Sensor Circuit Low
- Notes
- Test Step 1 - Check If The DTC Is Active
- Test Step 2 - Check (C21) Evaporator Temperature Sensor Signal Circuit For A Short To Ground
- Test Step 3 - Check (C21) Evaporator Temperature Sensor Signal Circuit For A Short To The (C121) Sensor Ground Circuit
- Test Step 4 - Check The Evaporator Temperature Sensor
- Test Step 5 - Check The Wiring And Connectors
- B1032-Evaporator Temperature Sensor Circuit High
- Notes
- Test Step 1 - Check If The DTC Is Active
- Test Step 2 - Check The (C21) Evaporator Temperature Sensor Signal Circuit Voltage
- Test Step 3 - Check The (C21) Evaporator Temperature Sensor Signal Circuit For A Short To Voltage
- Test Step 4 - Check The (C21) Evaporator Temperature Sensor Signal Circuit For An Open
- Test Step 5 - Check The (C121) Sensor Ground Circuit For An Open
- Test Step 6 - Check The Evaporator Temperature Sensor
- Test Step 7 - Check The Wiring And Connectors
- B103A-Rear Mode Door Control Circuit/Performance
- Notes
- Test Step 1 - Check If DTC Is Active
- Test Step 2 - Perform HVAC Actuator Calibration Test
- Test Step 3 - Check The (C153) Rear Mode Door Driver Circuit For A Short To Voltage
- Test Step 4 - Check The (C34) Common Door Driver Circuit For A Short To Voltage
- Test Step 5 - Check The (C153) Rear Mode Door Driver Circuit For A Short To Ground
- Test Step 6 - Check The (C34) Common Door Driver Circuit For A Short To Ground
- Test Step 7 - Check The Rear Mode Door
- Test Step 8 - Check The Rear Mode Door Actuator
- Test Step 9 - Check The Wiring And Connectors
- B103D-Rear Mode Door Control Circuit Open
- Notes
- Test Step 1 - Check For Other DTCs
- Test Step 2 - Check If DTC Is Active
- Test Step 3 - Perform HVAC Actuator Calibration Test
- Test Step 4 - Check The Rear Mode Door Actuator
- Test Step 5 - Check The (C153) Rear Mode Door Driver Circuit For An Open
- Test Step 6 - Check The (C34) Common Door Driver Circuit For An Open
- Test Step 7 - Check The Wiring And Connectors
- B103E-Rear Mode Door Travel Range Too Small
- B103F-Rear Mode Door Travel Range Too Large
- B1040-Panel Mode Door 1 Control Circuit/Performance
- Notes
- Test Step 1 - Check If DTC Is Active
- Test Step 2 - Perform HVAC Actuator Calibration Test
- Test Step 3 - Check The (C35) Mode Door Driver Circuit For A Short To Voltage
- Test Step 4 - Check The (C807) Common Door Driver 2 Circuit For A Short To Voltage
- Test Step 5 - Check The (C35) Mode Door Driver Circuit For A Short To Ground
- Test Step 6 - Check The (C807) Common Door Driver 2 Circuit For A Short To Ground
- Test Step 7 - Check The Mode Door
- Test Step 8 - Check The Mode Door Actuator
- Test Step 9 - Check The Wiring And Connectors
- B1043-Panel Mode Door 1 Control Circuit Open
- Notes
- Test Step 1 - Check For Other DTCs
- Test Step 2 - Check If DTC Is Active
- Test Step 3 - Perform HVAC Actuator Calibration Test
- Test Step 4 - Check The Mode Door Actuator
- Test Step 5 - Check The (C35) Mode Door Driver Circuit For An Open
- Test Step 6 - Check The (C807) Common Door Driver 2 Circuit For An Open
- Test Step 7 - Check The Wiring And Connectors
- B1044-Panel Mode Door 1 Travel Range Too Small
- B1045-Panel Mode Door 1 Travel Range Too Large
- B1052-Rear Blend Door Control Circuit/Performance
- Notes
- Test Step 1 - Check If DTC Is Active
- Test Step 2 - Perform HVAC Actuator Calibration Test
- Test Step 3 - Check The (C54) Rear Blend Door Driver Circuit For A Short To Voltage
- Test Step 4 - Check The (C34) Common Door Driver Circuit For A Short To Voltage
- Test Step 5 - Check The (C54) Rear Blend Door Driver Circuit For A Short To Ground
- Test Step 6 - Check The (C34) Common Door Driver Circuit For A Short To Ground
- Test Step 7 - Check The Rear Blend Door
- Test Step 8 - Check The Rear Blend Door Actuator
- Test Step 9 - Check The Wiring And Connectors
- B1055-Rear Blend Door Control Circuit Open
- Notes
- Test Step 1 - Check For Other DTCs
- Test Step 2 - Check If DTC Is Active
- Test Step 3 - Perform HVAC Actuator Calibration Test
- Test Step 4 - Check The Rear Blend Door Actuator
- Test Step 5 - Check The (C54) Rear Blend Door Driver Circuit For An Open
- Test Step 6 - Check The (C34) Common Door Driver Circuit For An Open
- Test Step 7 - Check The Wiring And Connectors
- B1056-Rear Blend Door Travel Range Too Small
- B1057-Rear Blend Door Travel Range Too Large
- B1058-Recirculation Door Control Circuit/Performance
- Notes
- Test Step 1 - CHECK IF DTC IS ACTIVE
- Test Step 2 - Perform HVAC Actuator Calibration Test
- Test Step 3 - Check The (C32) Recirculation Door Driver Circuit For A Short To Voltage
- Test Step 4 - Check The (C807) Common Door Driver 2 Circuit For A Short To Voltage
- Test Step 5 - Check The (C32) Recirculation Door Driver Circuit For A Short To Ground
- Test Step 6 - Check The (C807) Common Door Driver 2 Circuit For A Short To Ground
- Test Step 7 - Check The Recirculation Door
- Test Step 8 - Check The Recirculation Door Actuator
- Test Step 9 - Check The Wiring And Connectors
- B105B-Recirculation Door Control Circuit Open
- Notes
- Test Step 1 - Check For Other DTCS
- Test Step 2 - Check If DTC Is Active
- Test Step 3 - Perform HVAC Actuator Calibration Test
- Test Step 4 - Check The Recirculation Door Actuator
- Test Step 5 - Check The (C32) Recirculation Door Driver Circuit For An Open
- Test Step 6 - Check The (C807) Common Door Driver 2 Circuit For An Open
- Test Step 7 - Check The Wiring And Connectors
- B105C-Recirculation Door Travel Range Too Small
- Manual Three Zone Temperature Control