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:
Rocker Arm Oil Pressure Switch B
Removal/Installation
PZEV model
1. Remove the rocker arm oil control valve (see page
11-275).
2. Remove rocker arm oil pressure switch B.
3. Install the parts in the reverse order of removal with a
new O-ring (A) ...
Audio Communication Line Circuit
Troubleshooting
1. Turn the ignition switch to LOCK (0).
2. Disconnect climate control unit connector A (28P) and
the audio-HVAC subdisplay (with navigation) or
audio-HVAC display unit (without navigation) 12P
...
Symptom Troubleshooting
The HFL digits do not go away from the
audio-HVAC subdisplay or the audio HVAC
display after pressing the HFL BACK button
1. Connect the HDS to the DLC (see page 23-252).
2. Clear the DTCs with ...