Honda Accord: MICU Input Test

NOTE: • Before testing, troubleshoot the multiplex integrated control unit first, using B-CAN System Diagnosis Test Mode A (see page 22-134).

• Before testing, make sure the No. 5 (7.5 A) fuse in the driver's under-dash fuse/relay box is OK.

Driver's MSCU

1. Turn the ignition switch to LOCK (0), and remove the driver's dashboard lower cover (see page 20-166).

2. Disconnect driver's under-dash fuse/relay box connectors D, F, N, P, Q, and R.

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 appropriate 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.

5. Reconnect the connectors to the driver's under-dash fuse/relay box, and make these input tests at the connectors.

• If any test indicates a problem, find and correct the cause, then recheck the system.

• If all the input tests prove OK, the driver's MICU must be faulty; replace the driver's under-dash fuse/relay box: - USA models (see page 22-86) - Canada models (see page 22-87)