Operation CHARM: Car repair manuals for everyone.

Fault Code 1





FAULT CODE 1
motor Circuit, Left

This fault is stored in the following cases:
1. Short circuit to ground or open circuit in the circuit between control module and servomotor for HBA, left, terminals 1, 2, 3, 4
2. Servomotor for HBA, left, is faulty
3. The control module is faulty

Fault Effect: No automatic adjustment possible

Elimination:

- Switch off ignition

- Pull plug off the control module

- Pull plug off the servomotor for HBA

- Check for open circuit in the supply leads to the servomotor for HBA, terminals 1, 2, 3, 4

Ohmmeter display: < 5 ohms

- Check for short to B+ in the supply leads to the servomotor for HBA

- Ohmmeter connected to terminals 1, 2, 3, and 4; measure resistance to ground

Display: infinity

- Check for short circuits between the supply leads.

- If no fault is detected in the wires, replace the servomotor for HBA. Also check the plug on the wiring harness side and replace if necessary.