Fault code 1: 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 Ohm
- 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.
Ohmmeter display Ohm
- 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.