Honda ACCORD HYBRID 2005 Service Manual page 496

Electronic Throttle Control System
D T C T r o u b l e s h o o t i n g ( c o n t ' d )
DTC P2552: Throttle Actuator Control Module
Relay Malfunction
1. Turn the ignition switch ON (II).
2. Clear the DTC w i t h the HDS.
3. Do the ETCS TEST in the INSPECTION MENU w i t h
the HDS.
Is the RELAY Circuit OK?
YES—Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the throttle actuator control module relay, the
throttle actuator control module, and the PCM. •
NO—Go to step 4.
4. Turn the ignition switch OFF.
5. J u m p the SCS line with the HDS.
6. Remove the throttle actuator control module
relay (A).
7. Disconnect PCM connector E (31P).
8. Check for continuity between PCM connector
terminal E3 and body g r o u n d .
PCM CONNECTOR E (31P)
DBWRLY (LT BLU)
I 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
W i r e side of female terminals
Is there continuity?
YES—Repair short in the wire between the throttle
actuator control module relay and the PCM (E3),
then go to step 10.
N O - G o t o step 9.
9. Test the throttle actuator control module relay
(see page 22-72).
Is the relay OK ?
Y E S — G o to step 17.
NO—Replace the throttle actuator control module
relay, then go to step 10.
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