Honda Fit/Jazz - A/C Signal Circuit Troubleshooting (L12A/L13A without ETCS)
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A/C Signal Circuit Troubleshooting
1. | Turn the ignition switch OFF. |
2. | Disconnect the A/C pressure switch connector. |
3. | Turn the ignition switch ON (II). |
4. | Measure voltage between ECM/PCM connector terminals A24 and E28. then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM.n |
15. | Momentarily connect the A/C compressor clutch relay 3P connector (into the under-hood fuse/relay box) terminal No. 3 to body ground with a jumper wire several times. then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM.n NO - Repair open in the wire between the ECM/PCM (E28) and the A/C pressure switch.n |
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