Honda Accord 2008 Manual page 2004

07/11/02 09:44:00 61TA0000_210_0140
20. While checking the same terminal for voltage to
ground, reconnect these items individually and
note the voltage reading each time:
• Driver's air mix control motor
• Passenger's air mix control motor
• Recirculation control motor
• Mode control motor
＊０７
CLIMATE CONTROL UNIT CONNECTOR B (12P)
Does the voltage remain at about 5 V ?
YES
and recheck. If the symptom/indication goes away,
replace the original climate control unit.
NO −
voltage drop.
BLK
Wire side of female terminals
− Substitute a known-good climate control unit
Replace the component that caused the
DTC B1238 or DTC indicator F and A/C ON:
Problem in the Passenger's Air Mix Control
Linkage, Door, or 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 B1238 or F and A/ C ON indicated?
YES − Go to step 5.
NO − Intermittent failure; check for loose wires or
poor connections on the passenger's air mix
control motor circuit.
5. Turn the ignition switch to LOCK (0).
6. Test the passenger's air mix control motor
(see page 21-161).
Is the passenger's air mix control motor OK ?
YES − Go to step 7.
−
NO Replace the passenger's air mix control motor
(see page 21-162), or repair the passenger's air mix
control linkage or door.
7. Disconnect the passenger's air mix control motor
7P connector.
8. Disconnect climate control unit connector A (28P).
ＴＡ０８ＡＨ７Ｋ７１１０００Ｙ１２３８ＦＡＡＴ００
A
(cont'd)
21-139 21-139