Accord EX Coupe V6-3.0L (2001)
9. Measure the voltage between the No.2 terminal of the climate control unit 20P connector and body ground.
Is there about 5 volts?
YES - Check for loose wires or poor connections at the climate control unit 20P connector and at the A/C pressure switch 2P connector. If the
connections are good, substitute a known-good climate control unit, and recheck. If the symptom/ indication goes away, replace the original
climate control unit.
NO - Repair open in the wire between the climate control unit and the A/C pressure switch.
10. Using a Backprobe Set, measure the voltage between the No.27 terminal of the PCM connector A (32P) and body ground with the PCM
connectors connected.
Is there about 5 volts?
YES - Repair open in the wire between the PCM and the A/C pressure switch.
NO - Check for loose wires or poor connections at the PCM connector A (32P). If the connections are good, substitute a known-good PCM, and
recheck. If the symptom/indication goes away, replace the original PCM.
11. Check for proper A/C system pressure.
Is the pressure within specifications?
YES - Replace the A/C pressure switch.
NO - Repair the A/C pressure problem.
