Diesel Data: Automotive Repair

MICU-Rear Junction Box Input Test




MICU-Rear Junction Box Input Test

1. Remove the right rear side trim Interior Trim Removal/Installation - Rear Side Area.

2. Disconnect MICU-rear junction box connectors A, C, D, and G.

NOTE: All connectors are wire side of female terminals.





3. Inspect the connector and socket terminals to be 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 4.

4. Reconnect the connectors to the MICU-rear junction box and do these input tests at the following connectors on the MICU-rear junction box.

- If any test indicates a problem, find and correct the cause, then recheck the system.
- If all the input tests prove OK, replace the MICU-rear junction box.