Honda ACCORD HYBRID 2005 Service Manual page 426

PGM-FI System
DTC Troubleshooting (cont'd)
15. Check for continuity between PCM connector
t e r m i n a l E15 and these connector terminals:
Connector Terminal
Gauge control module 30P
No. 24 (WHT)
ABS/TCS control unit 47P
No. 14 (WHT)
Engine mount control unit 20P
No. 5 (WHT)
Navigation unit 20P No. 8 (WHT)
Is there continuity between the PCM terminal and
each of the terminals in the chart?
Y E S — G o t o step 16.
NO—Repair open in the wire between the PCM and
the appropriate connector, then go to step 18.
16. Check for continuity between PCM connector
terminal E26 and these connector terminals:
Connector
Terminal
Gauge control module 30P No. 23 (BLK)
ABS/TCS control unit 47P No. 30 (RED)
Engine mount control unit 26P
No. 17 (RED)
Navigation unit 20P No. 18 (BLK)
Is there continuity between the PCM terminal and
each of the terminals in the chart?
Y E S — G o t o step 17.
NO—Repair open in the w i r e between the PCM and
the appropriate connector, then go to step 18.
17. Refer to the f o l l o w i n g chart. Select the row that
most closely represents the c o m b i n a t i o n of DTCs
retrieved f r o m the PGM-FI, ABS/TCS and Body
Electrical systems: Check connections at the control
module indicated in the last c o l u m n . If all the
connections are OK, substitute another control
module. After substituting the control module, go
to step 18 and recheck.
PGM-FI
ABS/TCS Body Control
Electrical module
U0155
86-1 B1168 Gauge
B1169 control
B1178 module
U0073
68-1 B1168
PCM
U0121 86-1 B1169
U0155 B1178
U1101
U0073 68-1
B1168 ABS/TCS
U0121 86-1 B1178 control unit
U0155
U1101 86-1 B1168 Engine
B1169 mount
B1178 control unit
Are the DTCs still indicated?
Y E S — S u b s t i t u t e the remaining control modules,
one at t i m e , until the DTCs are no longer present,
then replace the control module that made the
DTCs go away. After replacing the faulty control
module, go to step 18.
NO—Replace the faulty control module, then go to
step 18.
18. Reconnect all connectors.
19. Turn the ignition switch ON (II).
20. Reset the PCM w i t h the HDS.
2 1 . Do t h e PCM i d l e l e a r n p r o c e d u r e (see p a g e 1 1 - 3 4 0 ) .
22. Check for Temporary DTCs or DTCs w i t h the HDS.
Are any Temporary DTCs or DTCs indicated?
Y E S - l f DTC U0073 and/or U0155 is indicated,
check for poor connections or loose terminals at
the gauge assembly, the ABS/TCS control unit, the
engine mount control unit, the navigation unit, and
the PCM, then go to step 1. If any other DTCs are
indicated, go to the indicated D T C s
troubleshooting.
NO—Troubleshooting is complete. •
11-186