Accord V6-3.0L Hybrid (2005)
A/C Signal: Testing and Inspection
Climate Control
A/C Signal Circuit Troubleshooting
NOTE:
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Do not use this troubleshooting procedure if any of the following items are operative; A/C condenser fan, radiator fan, A/C compressor. Refer to
the symptom troubleshooting index.
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Before performing symptom troubleshooting, check for powertrain DTCs.
1. Check for body DTCs using B-CAN system diagnosis test mode A troubleshooting.
Are there any DTCs indicated?
YES - Do the appropriate troubleshooting for the DTC indicated.
NO - Go to step 2.
2. Turn the ignition switch OFF.
3. Disconnect audio-HVAC display panel connector A (22P).
4. Turn the ignition switch ON (II).
5. Measure the voltage between the No. 5 terminal of audio-HVAC display panel connector A (22P) and body ground.
Is there 5 V or more?
YES - Go to step 6.
NO - Repair open in the wire between the relay control module panel and the audio-HVAC display panel.
6. Turn the ignition switch OFF.
7. Measure the evaporator temperature sensor resistance between the No. 14 and No. 15 terminals of audio-HVAC display panel connector A (22P).
Is the resistance less than 24 KOhm?
YES - Go to step 8.
NO - Test the evaporator temperature sensor.
