Wipers/Washers MICU Input Test

Wipers/Washers MICU Input Test

1. Before troubleshooting the wiper/washer system, refer to B-CAN System Diagnosis Test Mode A, Troubleshooting - B-CAN System Diagnosis Test Mode A and check the No. 8 (10 A), No. 10 (7.5 A) and No. 38 (30 A) fuses in the under-dash fuse/relay box.

2. Disconnect under-dash fuse/relay box connectors E, F, S, and T.
NOTE: All connector views 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. With the connectors still disconnected, do these input tests at the following connector.
- 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 5.





*1: '07-08 models

*2: '09 model

5. Reconnect the connectors to the under-dash fuse/relay box, turn the ignition switch to ON (II), 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, the MICU must be faulty; replace the under-dash fuse/relay box.