Psp Switch Signal Circuit Troubleshooting - Honda Accord 2008 Manual

07/11/02 09:17:09 61TA0000_110_0338
Idle Control System

PSP Switch Signal Circuit Troubleshooting

1. Start the engine, and let it idle.
2. Align the steering wheel straight ahead.
3. Check the PSP SWITCH in the DATA LIST with the
HDS.
Does it indicate ON?
−
YES Go to step 4.
NO − Go to step 14.
4. Turn the steering wheel to the full lock position.
5. Check the PSP SWITCH in the DATA LIST with the
HDS.
Does it change to OF F ?
−
YES The PSP switch signal circuit is OK.
NO − Go to step 6.
6. Turn the ignition switch to LOCK (0).
7. Disconnect the PSP switch 2P connector.
8. Start the engine.
9. Check the PSP SWITCH in the DATA LIST with the
HDS.
Does it change to OF F ?
YES − Replace the PSP switch (see page 17-15).
NO − Go to step 10.
10. Turn the ignition switch to LOCK (0).
11. Jump the SCS line with the HDS.
12. Disconnect ECM/PCM connector A (49P).
11-338
13. Check for continuity between PSP switch 2P
connector terminal No. 1 and body ground.
PSP SWITCH 2P CONNECTOR
Wire side of female terminals
Is there continuity?
YES − Repair short in the wire between the ECM/
PCM (A23) and the PSP switch.
NO − Update the ECM/PCM if it does not have the
latest software (see page 11-231), or substitute a
known-good ECM/PCM (see page 11-7), then
recheck. If the symptom/indication goes away with
a known-good ECM/PCM, replace the original ECM/
PCM (see page 11-232).
14. Turn the ignition switch to LOCK (0).
15. Disconnect the PSP switch 2P connector.
16. Connect PSP switch 2P connector terminals No. 1
and No. 2 with a jumper wire, then start the engine.
PSP SWITCH 2P CONNECTOR
Wire side of female terminals
ＴＡ０８ＡＥ４Ａ２０３３６１４７０２２ＦＡＡＴ００
PSPSW (PNK)
PSPSW (PNK)
JUMPER WIRE
GND (BLK)
＊０１
＊０２