1. | Check the No. 36 (10 A) fuse in the under-dash fuse/ relay box. Is the fuse OK? YES - Go to 2. NO - Replace the fuse, and recheck.n |
2. | Disconnect the climate control unit 32P connector. |
3. | Turn the ignition switch ON (II). |
4. | Measure the voltage between the climate control unit 32P connector terminal No. 3 and body ground.
Is there battery voltage? YES - Go to 5. NO - Repair an open in the wire between the No. 36 fuse in the under-dash fuse/relay box and the climate control unit.n |
5. | Turn the ignition switch OFF. |
6. | Check for continuity between the climate control unit 32P connector terminal No. 5 and body ground.
Is there continuity? YES - Check for loose wires and poor connections at the climate control unit 32P connector. If connections are good, substitute a known-good climate control unit and recheck. If the symptom/indication goes away, replace the original climate control unit.n 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 G504.n |