B1052 - Rear Blend Door Control Circuit/Performance: Notes
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.
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS information.
Theory of Operation
The A/C heater control drives the rear mode door actuator via the rear mode door driver circuit and the rear common door driver circuit. The A/C heater control drives the rear blend door actuator via the rear blend door driver circuit and the common door driver circuit.
- >>When Monitored:<< With the ignition on.
- >>Set Condition:<< If the A/C heater control detects a short on the rear mode door driver circuit, the rear blend door driver circuit, or the rear common door driver circuit while attempting to drive the rear mode door actuator or the rear blend door actuator
| Possible Causes |
|---|
| REAR MODE DOOR DRIVER CIRCUIT C153 SHORTED TO VOLTAGE |
| REAR BLEND DOOR DRIVER CIRCUIT C54 SHORTED TO VOLTAGE |
| COMMON DOOR DRIVER CIRCUIT C34 SHORTED TO VOLTAGE |
| REAR MODE DOOR DRIVER CIRCUIT C153 SHORTED TO GROUND OR TO OTHER DOOR DRIVER CIRCUITS |
| DRIVER BLEND DOOR DRIVER CIRCUIT C61 SHORTED TO GROUND OR TO OTHER DOOR DRIVER CIRCUITS |
| COMMON DOOR DRIVER CIRCUIT C34 SHORTED TO GROUND OR TO OTHER DOOR DRIVER CIRCUITS |
| REAR MODE DOOR ACTUATOR |
| REAR BLEND DOOR ACTUATOR |
| DRIVER BLEND DOOR ACTUATOR |
| A/C HEATER CONTROL |
NOTE:
This DTC must be active for the results of this test to be valid. Do not perform this test if this DTC is stored.