Honda Accord: A/C Condenser Fan High Speed Circuit Troubleshooting

ECM/PCM CONNECTOR A (49P)

Terminal side of female terminals

Is there battery voltage? YES

-Go to step 6.

NO

-Repair an open in the wire between the under-hood fuse/relay box and the ECM/PCM. If the wire is OK, replace the under-hood fuse/relay box (see page 22-75).

6. Turn the ignition switch to LOCK (0).

7. Connect ECM/PCM connector A (49P) terminals No. 5 and No. 6 to body ground with a jumper wire.

ECM/PCM CONNECTOR A (49P)

Terminal side of female terminals

8. Turn the ignition switch to ON (II).

Does the A/C condenser fan and radiator fan run on high? YES

-Check for loose wires or poor connections at ECM/PCM connector A (49P) terminals No. 5 and No.

6. If the connections are good, substitute a known-good ECM/PCM, and recheck. If the symptom/indication goes away, replace the original ECM/PCM (see page 11-204).

NO

-Replace the under-hood fuse/relay box (see page 22-75).