Keyless/Power Door Locks/Security System (MICU) Input Test

Keyless/Power Door Locks/Security System (MICU) Input Test

NOTE:

- Before testing, make sure the turn signal/hazard warning lights work properly.
- Before testing, check the No. 1 (15 A), No. 20 (15 A), No. 22 (7.5 A), No. 27 (30 A), No. 35 (15 A), No. 36 (15 A), No. 38 (15A), No. 45 (7.5 A), No. 49 (15 A), No. 50 (15 A), and No. 60 (IGN) (50 A) fuses in the under-dash fuse/relay box.
- There are two circuits that each has a pair of fuses (No. 35 and No. 49 fuses, No. 36 and No. 50 fuses). If one fuse is blown, make sure to check the other fuse in the same circuit. If necessary, replace the blown fuse(s).

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

2. Remove the fuse access panel Fuse Access Panel Removal/Installation, and remove the driver's dashboard lower cover Driver's Dashboard Lower Cover Removal/Installation.

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

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






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 the following input tests:

- 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 to the under-dash fuse/relay box, and do the following input tests:

- 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:
- USA models Under-Dash Fuse/Relay Box Removal And Installation (Except Canada Models)
- Canada models Under-Dash Fuse/Relay Box Removal And Installation (Canada Models)






















*: With security