Honda Accord 2008 Manual page 1973

07/11/02 09:43:15 61TA0000_210_0109
Climate Control
DTC Troubleshooting (cont'd)
DTC U0155: Climate Control Unit Lost
Communication with Gauge Control Module
NOTE: If you are troubleshooting multiple DTCs, be
sure to follow the instructions in B-CAN system
diagnosis test mode A (see page 22-120).
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).
4. Check for DTCs.
Is DT C U0155 indicated?
YES − Go to step 5.
−
NO The system is OK at this time. Check for loose
wires or poor connections on the gauge control
module and climate control unit circuit.
5. Select UNIT INFORMATION in the BODY
ELECTRICAL menu.
6. Select CONNECTED UNIT in the UNIT
INFORMATION menu.
Is the gauge control module detected?
−
YES Substitute a known-good climate control unit,
and recheck. If the symptom/indication goes away,
replace the original climate control unit (see page
21-164).
−
NO Go to step 7.
21-108
7. Disconnect driver's under-dash fuse/relay box
connector P (20P).
8. Disconnect the gauge control module 32P
connector.
9. Disconnect climate control unit connector B (12P).
10. Check for continuity between the following
terminals of driver's under-dash fuse/relay box
connector P (20P), the gauge control module 32P
connector, and climate control unit connector B
(12P).
20P: 32P:
No. 5 No. 18
No. 6 No. 19
12P: 32P:
No. 1 No. 19
No. 2 No. 18
DRIVER'S UNDER-DASH FUSE/RELAY BOX
CONNECTOR P (20P)
Wire side of female terminals
BLU PNK
BLU PNK
GAUGE CONTROL MODULE 32P CONNECTOR
Wire side of female terminals
ＴＡ０８ＡＨ７Ｋ７１１０００Ｕ０１５５ＦＡＡＴ００
＊０１