Turn Signal/Hazard Warning Lights (MICU) Input Test

Turn Signal/Hazard Warning Lights (MICU) Input Test

NOTE: Before testing, check the No. 1 (7.5 A), No. 22 (7.5 A), and No. 23 (10 A) fuse in the under-dash fuse/relay box.

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

2. Remove the fuse access panel Fuse Access Panel Removal/Installation.

3. Disconnect the under-dash fuse/relay box connectors A, B, C, K, M, N, Q, and W.

NOTE: All connector views are shown from wire side of female terminals.






4. 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 5.









5. Reconnect the connectors to the driver's under-dash fuse/relay box, 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 Under-dash Fuse/Relay Box Removal And Installation (USA Models).