Honda ACCORD HYBRID 2005 Service Manual page 425

DTC U0073: F-CAN Malfunction (Bus-Off)
DTC U0155: F-CAN Malfunction (Gauge
Control Module-PCM)
1. Turn the ignition switch ON (II)
2. Clear the DTC with the HDS.
3. Check for Temporary DTCs or DTCs w i t h the HDS.
Is DTC U0073 and/or U0155 indicated?
Y E S — G o t o step 4.
NO—Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the gauge control module, the ABS/TCS control
unit, the engine m o u n t control unit, the navigation
unit, and the PCM.B
4. Check for DTCs in the Body Electrical system DTCs
menu w i t h the HDS.
Is DTC B1168, B1169, and/or B1178 indicated?
Y E S — G o t o step 5.
NO—Do the gauge control module input test
(see page 22-119). •
5. Turn the ignition switch OFF.
6. Remove the gauge control module (see page
22-235).
7. Disconnect the gauge control module 30P
connector.
8. Disconnect the ABS/TCS control unit 47P connector.
9. Disconnect the engine m o u n t control unit 20P
connector.
10. Disconnect the navigation unit 20P connector.
11. J u m p the SCS line w i t h the HDS.
12. Disconnect PCM connector E (31P).
13. Check for continuity between body ground and
PCM connector terminals E15 and E26 and body
ground individually.
PCM CONNECTOR E (31P)
I
CANH (WHT)
I
1 2 3 4 5 6 | 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21
22 23 24 25 26 27
/
29
/
31
CANL (BLK)
Wire side of female terminals
Is there continuity?
YES—Repair short in the wire between the gauge
control module, ABS/TCS control unit, engine
m o u n t control unit, the navigation unit, and the
PCM (E15 (E26)), then go to step 18.
NO—Go to step 14.
14. Check for continuity between PCM connector
terminals E15 and E26.
PCM CONNECTOR E (31P)
I
CANH (WHT)
I
1 2 3
4
5 6 7 8
9
10 11 12 13 14 15 16 17 18 19 20 21
22 23 24
25 26 27
/
29
/
31
CANL (BLK)
Wire side of female terminals
Is there continuity?
YES—Repair short in the wires between the PCM
E15 (CANH line) and E26 (CANL line), then go to
step 18.
N O — G o t o step 15.
(cont'd)
11-185