Ecm Power Source Circuit Unexpected Voltage - Honda Civic 2002-2003 Service Manual

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OTe P0563: ECM Power Source Circuit
Unexpected Voltage
1. Resetthe ECM (see page 11-41.
2. Turn the ignition switch OFF.
3. Wait 5 seconds.
4. Turn the ignition switch ON (II).
/5 OTe P0563 indicated?
YES-Go to step 5.
NO-Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the No.6 ECU (ECMI (15 AI fuse in the under-hood
fuse/relay box and atthe ECM .•
5. Turn the ignition switch OFF.
6. Disconnect ECM connector E (31PI.
7. Turn the ignition switch ON (III.
8. Measure voltage between ECM connector terminal
E7 and body ground.
ECM CONNECTOR E 131 PI
MRlY
IRED/YEll
Wire side of female terminals
/5
there battery voltage?
YES-Gotostep 12.
NO-Go to step 9.
9. Remove the glove box (see page 20-631.
10. Remove the PGM-FI main relay 1 (AI.
A
-
11. Check for continuity between ECM connector
terminal E7 and body ground.
ECM CONNECTOR E 131 PI
MRlY
IRED/YEll
Wire side of female terminals
/5 there continuity?
.Q
YES-Repair short in the wire between the ECM
(E7) and the PGM-FI main relay 1 .•
NO-Replace the PGM-FI main relay 1 .•
12. Turn the ignition suitch OFF.
13. Reconnect ECM connector E (31PI.
Icont'dl
11-81