Honda Accord 2008 Manual page 2191

07/11/02 09:34:58 61TA0000_220_0161
Keyless/Power Door Locks/Security System
Symptom Troubleshooting
Power Door Locks/Keyless
1. Check for B-CAN DTCs. If any B-CAN DTCs are indicated, troubleshoot 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).
No.
1 All the doors will not lock or
unlock.
2 Driver's and left rear (4-door)
doors will not lock or unlock.
3 Front passenger's and right rear
(4-door) doors will not lock or
unlock.
4 Keyless operation does not
work (LOCK, UNLOCK, PANIC).
5 Doors will not unlock with the
transmitter, but will unlock with
the door lock switch and the
door key cylinder switch.
6 Doors will not lock with the
transmitter, but will lock with
the door lock switch and the
door key cylinder switch.
7 Doors automatically relock 30
seconds after being unlocked
with the transmitter even
though a door has been opened.
8 Only driver's door will unlock or
door locks relock immediately
after unlocking with the remote.
9 The horn does not sound when
PANIC button on the transmitter
pressed (USA only).
10 Keyless operation will work
even though the ignition key is
in the ignition switch.
: If only one door is not working properly, check that door's lock actuator first, then check the other items listed
in this table.
22-158
ＴＡ０８Ａ００Ｊ４６６４３４０００００ＦＡＡＴ５０
Symptom
• Poor ground (G501, G502, G505, G601, G651)
• Driver's door key cylinder switch test (see page 22-173).
• Door switch test (check the door switch ON/OFF information with the HDS)
• Door lock switch test (check the door switch ON/OFF information
with the HDS)
• Also, check for continuity of the UART line between the door
multiplex control unit 37P connector No. 27 terminal and the front
passenger's power window switch 37P connector No. 29 terminal.
• Poor ground (G501, G502, G505, G601)
• Blown No. 24 (20 A) fuse in the driver's under-dash fuse/relay box
• Blown No. 25 (10 A) fuse in the driver's under-dash fuse/relay box
• Driver's MICU input test (see page 22-138).
• Door multiplex control unit input test (see page 22-167).
• Poor ground (G501, G502, G505, G601)
• Blown No. 1 (AS F/B) (40 A) fuse in the under-hood fuse/relay box
• Blown No. 10 (10 A) fuse in the passenger's under-dash fuse/relay box
• Blown No. 13 (20 A) fuse in the passenger's under-dash fuse/relay box
• Passenger's MICU input test (see page 22-142).
• Door multiplex control unit input test (see page 22-167).
Symptom troubleshooting (see page 22-160).
• Symptom troubleshooting (see page 22-160).
• Door lock switch test (check the door switch ON/OFF information
with the HDS)
• Symptom troubleshooting (see page 22-160).
• Door lock switch test (check the door switch ON/OFF information
with the HDS)
Symptom troubleshooting (see page 22-159).
Driver's door lock knob switch test (see page 22-172).
Symptom troubleshooting (see page 22-159).
Ignition key switch test (see page 22-249).
Check Items