Honda Accord 2008 Manual page 596

07/11/02 09:13:34 61TA0000_110_0277
DTC P2176: Throttle Actuator Control System
Idle Position Not Learned
Do not insert your fingers into the installed throttle
body when you turn the ignition switch to ON (II) or
while the ignition switch is ON (II). If you do, you
will seriously injure your fingers if the throttle valve
is activated.
NOTE:
• Before you troubleshoot, record all freeze data and
any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
• If DTC P2135 is stored at the same time as DTC P2176,
troubleshoot DTC P2135 first, then recheck for DTC
P2176.
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch to LOCK (0).
4. Turn the ignition switch to ON (II), and wait
10 seconds.
5. Check for Temporary DTCs or DTCs with the HDS.
Is DT C P217 6 indicated?
−
YES Go to step 6.
NO − Intermittent failure, the system is OK at this
time. Check for poor connections or loose terminals
at the throttle body and the ECM/PCM, then clean
the throttle body (see page 11-385).
6. Turn the ignition switch to LOCK (0).
7. Disconnect the intake air duct from the throttle
body (see page 11-388).
8. Turn the ignition switch to ON (II).
9. Clear the DTC with the HDS.
10. Visually check the throttle valve operation while
performing the ETCS TEST in the INSPECTION
MENU with the HDS.
Does the throttle valve move to its f ully closed
position?
YES − Go to step 11.
−
NO Go to step 12.
11. Check for sludge or carbon on the throttle valve.
Is there sludge or carbon on the throttle valve?
−
YES Clean the throttle body (see page 11-385),
then go to step 21 and recheck.
NO − Go to step 18.
12. Turn the ignition switch to LOCK (0).
13. Disconnect the throttle body 6P connector.
14. Jump the SCS line with the HDS.
15. Disconnect ECM/PCM connector C (49P).
16. Connect throttle body 6P connector terminals No. 5
and No. 6 with a jumper wire.
THROTTLE BODY 6P CONNECTOR
ETCSM −
(GRN/YEL)
JUMPER WIRE
Wire side of female terminals
ＴＡ０８ＡＥＡＫ７２１０００９２１７６ＦＡＡＴ３０
ETCSM ＋
(BLU/RED)
(cont'd)
11-277
＊０１