Honda Accord 2008 Manual page 566

07/11/02 09:12:41 61TA0000_110_0247
DTC P1658:
Malfunction
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
1. Turn the ignition switch to ON (II).
2. Do the ETCS TEST in the INSPECTION MENU with
the HDS.
Is the RELAY circuit OK ?
YES
time. Check for poor connections or loose terminals
at the ETCS control relay and the ECM/PCM.
NO −
3. Turn the ignition switch to LOCK (0).
4. Remove the ETCS control relay (A) from the under-
hood fuse/relay box.
＊０１
5. Test the ETCS control relay (see page 22-91).
Is the ET CS control relay OK ?
YES
NO −
step 13.
ETCS Control Relay ON
−
Intermittent failure, the system is OK at this
Go to step 3.
A
−
Go to step 6.
Replace the ETCS control relay, then go to
6. Jump the SCS line with the HDS.
7. Disconnect ECM/PCM connector A (49P).
8. Check for continuity between ECM/PCM connector
terminal A21 and body ground.
ECM/PCM CONNECTOR A (49P)
ETCSRLY (WHT)
Terminal side of female terminals
Is there continuity?
YES − Repair short in the wire between the ECM/
PCM (A21) and the ETCS control relay, then go to
step 13.
−
NO Go to step 9.
9. Disconnect ECM/PCM connector C (49P).
10. Turn the ignition switch to ON (II).
ＴＡ０８ＡＥＡＫ７２１０００９１６５８ＦＡＡＴ００
＊０２
(cont'd)
11-247