Honda Civic 2002-2003 Service Manual page 286

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10. Measure voltage between ECM connector terminal
A7 and body ground.
ECM CONNECTOR A 131P)
=
Wire side of female terminals
Is there about 5 V?
YES-Repair open in the wire between the ECM
(A7) and the CKP sensor .•
NO-Gotostep 11.
11. Turn the ignition switch OFF .
12. Disconnect ECM connector A (31P).
13. Check for continuity between ECM connector
terminal A7 and body ground.
ECM CONNECTOR A 131P)
r.-",,,,,.r;:;:;;::;:;::;:~CKPIBLU)
7 9
.Q
=
Wire side of female terminals
Is there continuity?
YES-Repair short in the wire between the ECM
(A7) and the CKP sensor..
NO-Update the ECM if it does not have the latest
software, or substitute a known-good ECM, then
recheck (see page 11-6). If the symptom/indication
goes away with a known-good ECM, replace the
original ECM .•
11-79