Honda HR-V: Climate Control Unit Power and Ground Circuit Troubleshooting

NOTE: Do this troubleshooting procedure only if sent here by symptom troubleshooting index - Refer to: Heating and A/C Systems Symptom Troubleshooting Index (Heating/Air Conditioning), or Climate Control System Symptom Troubleshooting Index (Climate Control).

1. Fuse check:

1. Turn the vehicle to the OFF (LOCK) mode.
2. Check the following fuse.

Is the fuse OK?

YES

Go to step 2.

NO

Replace the fuse, and recheck. If the fuse blows again, repair a short in the No. C24 (7.5 A) fuse circuit.

2. Open wire check (IG2 A/C line):

1. Disconnect the following connector.

Climate control unit connector A (32P)

2. Turn the vehicle to the ON mode.
3. Measure the voltage between test points 1 and 2.

Is there battery voltage?

YES

The IG2 A/C wire is OK. Go to step 3.

NO

Repair an open in the wire between the No. C24 (7.5 A) fuse in the under-dash fuse/relay box and the climate control unit. If wire is OK, replace the under-dash fuse/relay box.

3. Open wire check (GND line):

1. Turn the vehicle to the OFF (LOCK) mode.
2. Check for continuity between test points 1 and 2.

Is there continuity?

YES

The GND wire is OK. Replace the climate control unit.

NO

Check for an open in the wire between the climate control unit and body ground. If the wire is OK, check for poor ground at G403.

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