Honda Accord 2008 Manual page 1993

07/11/02 09:43:57 61TA0000_210_0129
Climate Control
DTC Troubleshooting (cont'd)
DTC B1232 or DTC indicator H and AUTO:
Short 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).
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 B1232 or H and AUT O indicated?
YES
NO −
5. Turn the ignition switch to LOCK (0).
6. Disconnect climate control unit connectors A (28P)
and B (12P).
7. Check for continuity between climate control unit
connector A (28P) No. 23 terminal and body ground.
＊０１
CLIMATE CONTROL UNIT CONNECTOR A (28P)
Is there continuity?
YES
between the climate control unit and the
evaporator temperature sensor.
−
NO
21-128
− Go to step 5.
Intermittent failure.
BRN
Wire side of female terminals
−
Repair short to body ground in the wire
Go to step 8.
A
8. Check for continuity between climate control unit
connector A (28P) No. 23 terminal and climate
control unit connector B (12P) No. 10 terminal.
CLIMATE CONTROL UNIT CONNECTOR A (28P)
Wire side of female terminals
CLIMATE CONTROL UNIT CONNECTOR B (12P)
Wire side of female terminals
*1: With navigation
*2: Without navigation
Is there continuity?
−
YES Repair short in the wires between the climate
control unit and the evaporator temperature
sensor.
NO − Go to step 9.
9. Remove the evaporator temperature sensor
(see page 21-60), and test it (see page 21-50).
Is the evaporator temperature sensor OK ?
YES − Substitute a known-good climate control unit,
and recheck. If the symptom/indication goes away,
replace the original climate control unit.
NO − Replace the evaporator temperature sensor
(see page 21-60).
ＴＡ０８ＡＨ７Ｋ７１１０００Ｙ１２３２ＦＡＡＴ００
BRN
1
WHT*
2
RED*
＊０２