Test Step 6 - Check The HVAC Control Modules
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.
- Ignition on, engine not running.
- With the scan tool, erase HVAC DTCs.
- Turn the ignition off to the lock position.
- Reconnect the A/C Heater Control C2 harness connector.
NOTE:
The Rear A/C Heater Control harness connector should still be disconnected.
- Ignition on, engine not running.
- With the scan tool, read HVAC DTCs.
Does the scan tool display this DTC?
Yes
- Replace the A/C Heater Control. Refer to REMOVAL AND INSTALLATION .
- Perform the HVAC Verification Test. Refer to HVAC .
No
- Replace the Rear A/C Heater Control. Refer to REMOVAL AND INSTALLATION .
- Perform the HVAC Verification Test. Refer to HVAC .