Relay Control Module Input Test

Relay Control Module Input Test

NOTE: Before testing the relay control module, troubleshoot the multiplex integrated control unit first, using B-CAN System Diagnosis Test Mode A. Troubleshooting - B-CAN System Diagnosis Test Mode A

1. Turn the ignition switch to LOCK (0).

2. Remove the under-hood fuse/relay box. Under-Hood Fuse/Relay Box Removal and Installation

3. Disconnect under-hood fuse/relay box connectors D (10P) and E (14P).

4. 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 5.

5. With the connectors still disconnected, do these input tests at the following connectors.
- If any test indicates a problem, find and correct the cause, then recheck the system.

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





6. Reconnect the connectors, and do these input tests at the following connectors.
- If any test indicates a problem, find and correct the cause, then recheck the system.

- If all the input tests prove OK, replace the relay control module.