Test Step 4 - Check for an Active DTC with Rear Blower Control Switch Disconnected
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.
NOTE:
Make sure that the rear blower control switch is disconnected.
- Reconnect the A/C heater control C2 harness connector.
- Turn the ignition ON.
- With the scan tool, erase HVAC DTCs.
- Turn the ignition OFF, wait 10 seconds, and then turn the ignition ON.
- Set the rear function mode switch to control in rear.
- With the scan tool, read HVAC DTCs.
Does the scan tool display this DTC as active?
Yes
- Replace the A/C heater control. Refer to REMOVAL AND INSTALLATION .
- Perform the HVAC Verification Test. Refer to HVAC .
No
- Replace the rear blower control switch. Refer to REMOVAL AND INSTALLATION .
- Perform the HVAC Verification Test. Refer to HVAC .