Honda Accord: Symptom Troubleshooting Index
Power Door Locks/Kef less
1. Check for B-CAN DTCs. If any B-CAN DTCs are Indicated, refer to the B-CAN System Diagnosis Test Mode A (see page 22-134) and resolve them first.
2. If the door lock system and the keyless operation do not work, troubleshoot the door locks first.
NOTE: The system does not function when the ignition switch is ON (II).

*: If only one door is not working properly, check that door's lock actuator first, then check the other items listed in this table.

*: If only one door is not working properly, check that door's lock actuator first, then check the other items listed in this table.
DTC Troubleshooting
DTC B1127: Driver's Door Key Cylinder Switch
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). ...
Symptom Troubleshooting
The horn does not sound and/or the
headlights do not flash when the PANIC
button on the transmitter is pressed
NOTE: Before troubleshooting, check the B-CAN DTCs.
any DTCs are indicated, and trou ...
See also:
Passenger's Under-dash Fuse/Relay
Box (MICU) Removal and
Installation
NOTE: SRS components are located in this area. Review
the SRS component locations 4-door (see page 24-21),
2-door (see page 24-23), and precautions, and
procedures (see page 24-25) before doing rep ...
CMP Sensor A Replacement
1. Disconnect the CMP sensor A 3P connector (B).
2. Remove CMP sensor A from the intake camshaft side
of the cylinder head.
3. Install the parts in the reverse order of removal with a
new O-ri ...
Special Tools
...