Info

Fault, Fault code

Possible causes, elimination, notes

4. Check potentiometer in the drive motors.

Temperature mixing valve:

Connect ohmmeter to pins 1 and 3.

Connect ohmmeter to pins 1 and 3.

Central valve:

Connect ohmmeter to pins 1 and 3.

Display:

Outside air / recirculation valve: Connect ohmmeter to pins 4 and 5.

Test point 7

Motor of temperature mixing valve

Signal implausible Fault code 26

Diagnosis conditions

No control module fault stored. No fault with supply voltage (5 volts).

Signal implausible

1. Check temperature mixing valve for smooth operation.

2. Unplug connectors A, B, C and D from the heating/air-conditioning

3. Unplug connector from the temperature mixing valve drive motor.

4. Connect ohmmeter to connector C 8 and drive motor

Connect ohmmeter to connector B 8 and drive motor

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