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)
DTC Troubleshooting
DTC B1280: Turn Signal Switch Circuit
Malfunction
NOTE: If you are troubleshooting multiple DTCs, be sure
to follow the instructions in B-CAN System Diagnosis
Test Mode A (see page 22-134).
1. ...
Hazard Warning Switch
Test/Replacement
1. Remove these items:
• Center vent for w i t h navigation system (see page
20-178)
• Audio unit for without navigation system (see page
23-115)
2. Remove the hazard warning switch (A) ...
See also:
Immobilizer Key Registration
NOTE:
• The HDS is required for registration of the immobilizer
keys.
• Programming the immobilizer also programs the
keyless transmitter.
• Check for aftermarket electrical eq ...
Ignition Key Light Test
1. Remove the steering column upper and lower covers
(see page 20-181).
2. Disconnect the 6P connector (A).
3. The LED should come on when power is connected to
terminal No. 6 and ground is co ...
General Troubleshooting Information
Intermittent Failures
The term Intermittent failure means a system may have
had a failure, but it checks OK now. If the malfunction
indicator lamp (MIL) on the dash does not come on,
check for poo ...