Diesel Data: Automotive Repair

Component Tests and General Diagnostics




Electrical Compass Unit Input Test

1. Remove the rear shelf. Service and Repair

2. Loosen the bolts (A), then pull out the electrical compass unit bracket (B).

3. Disconnect the 6P connector (C) and remove the mounting bolt (D), then pull out the electrical compass unit (E).

4. Inspect the connector and socket terminals to make sure they are all making good contact.
- If the terminals are bent, loose, or corroded, repair them as necessary, and recheck the system.

- If the terminals look OK, go to step 5.

5. Reconnect the electrical compass unit 6P connector. Turn the ignition switch to ON (II) and do the following input tests at the connectors.
- If any test indicates a problem, find and correct the cause, then recheck the system.

- If all input tests prove OK, go to step 6.





6. Disconnect the electrical compass unit 6P connector and audio unit connector B (20P), and do the following input tests at the connectors.





- If any test indicates a problem, find and correct the cause, then recheck the system.

- If all input tests prove OK, the electrical compass unit is faulty; replace it, and do the compass calibration. Programming and Relearning