Honda Accord 2008 Manual page 1995

07/11/02 09:43:57 61TA0000_210_0131
Climate Control
DTC Troubleshooting (cont'd)
DTC B1234 or DTC indicator B and A/C ON:
Short in the Driver's Air Mix Control Motor
Circuit
1. Clear the DTC with the HDS.
2. Turn the ignition switch to LOCK (0) and then to
ON (II).
3. Do the self-diagnostic function with the HDS
(see page 21-87) or climate control unit (see page
21-88).
4. Check for DTCs.
Is DT C B1234 or B and A/ C ON indicated?
YES − Go to step 5.
NO − Intermittent failure.
5. Check for DTCs.
Are these DT Cs also present; B121B or H and A/ C
ON, and/ or B1220 or L and A/ C ON, and/ or B1237
or E and A/ C ON?
−
YES Go to step 13.
NO − Go to step 6.
6. Turn the ignition switch to LOCK (0).
7. Test the driver's air mix control motor (see page
21-52).
Is the driver's air mix control motor OK ?
−
YES Go to step 8.
NO − Replace the driver's air mix control motor
(see page 21-53).
8. Disconnect the driver's air mix control motor 7P
connector.
9. Disconnect climate control unit connectors A (28P)
and B (12P).
21-130
A
10. Check for continuity between body ground and
climate control unit connector A (28P) No. 14
terminal.
CLIMATE CONTROL UNIT CONNECTOR A (28P)
Wire side of female terminals
Is there continuity?
−
YES Repair short to body ground in the wire
between the climate control unit and the driver's air
mix control motor.
NO − Go to step 11.
11. Check for continuity between climate control unit
connector A (28P) No. 14 terminal and climate
control unit connector B (12P) No. 12 terminal.
CLIMATE CONTROL UNIT CONNECTOR A (28P)
Wire side of female terminals
CLIMATE CONTROL UNIT CONNECTOR B (12P)
Wire side of female terminals
Is there continuity?
−
YES Repair short in the wires.
−
NO Go to step 12.
ＴＡ０８ＡＨ７Ｋ７１１０００Ｙ１２３４ＦＡＡＴ００
GRY
GRY
BLK
＊０１
＊０２