Honda Accord 2008 Manual page 1991

07/11/02 09:43:56 61TA0000_210_0127
Climate Control
DTC Troubleshooting (cont'd)
9. Check for continuity between climate control unit
connector A (28P) No. 25 terminal and climate
control unit connector B (12P) No. 10 terminal.
＊０２
CLIMATE CONTROL UNIT CONNECTOR A (28P)
CLIMATE CONTROL UNIT CONNECTOR B (12P)
*1: With navigation
*2: Without navigation
Is there continuity?
YES
control unit and the sunlight sensor.
NO −
10. Reconnect the sunlight sensor 5P connector (with
automatic lighting) or 2P connector (without
automatic lighting).
11. Reconnect climate control unit connectors A (28P)
and B (12P).
12. Test the sunlight sensor (see page 21-160).
Is the sunlight sensor OK ?
YES
and recheck. If the symptom/indication goes away,
replace the original climate control unit.
NO −
21-126 21-126
Wire side of female terminals
1
WHT*
RED* 2
Wire side of female terminals
−
Repair short in the wires between the climate
Go to step 10.
− Substitute a known-good climate control unit,
Replace the sunlight sensor (see page 21-160).
DTC B1231 or DTC indicator G and AUTO:
Open in the Evaporator Temperature Sensor
Circuit
1. Clear the DTC with the HDS.
2. Turn the ignition switch to LOCK (0) and then to
ON (II).
1
YEL*
3. Do the self-diagnostic function with the HDS
2
PUR*
(see page 21-87) or climate control unit (see page
21-88).
4. Check for DTCs.
Is DT C B1231 or G and AUT O indicated?
YES −
NO −
poor connections on the evaporator temperature
sensor circuit.
5. Turn the ignition switch to LOCK (0).
6. Disconnect climate control unit connectors A (28P)
and B (12P).
ＴＡ０８ＡＨ７Ｋ７１１０００Ｙ１２３１ＦＡＡＴ００
Go to step 5.
Intermittent failure; check for loose wires or
An