Pilot V6-3.5L (2004)
9. Measure the voltage between the No. 23 terminal of the heater control panel 30P connector and body ground.
Is there battery voltage?
YES - Check for loose wires or poor connections at the heater control panel 30P connector and at the A/C pressure switch 2P connector. If the
connections are good, substitute a known-good heater control panel, and recheck. If the symptom/indication goes away, replace the original heater
control panel.
NO - Repair open in the wire between the heater control panel and the A/C pressure switch.
10. Using a backprobe set, measure the voltage between the No. 27 terminal of PCM connector A (32P) and body ground with the PCM connectors
connected.
Is there battery voltage?
YES - 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.
NO - Repair open in the wire between the PCM and the A/C pressure switch.
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.
