TROUBLE DIAGNOSES — Diagnostic Procedure 4 (SYMPTOM: Magnet clutch does not operate with A/C switch and fan switch are ON.)
HA-75flowchartCompressor connector ID is E44 on L.H.D., F32 on R.H.D. — '-1' is magnet-clutch coil, '-2' is thermal protector.
Diagnostic Procedure 4
SYMPTOM: Magnet clutch does not operate with A/C switch and fan switch are ON.
WARNING
Perform PRELIMINARY CHECK 2 before referring to the following flow chart.
Diagnostic Procedure 4 — magnet clutch does not operate (start)
1
[A] CHECK POWER SUPPLY FOR COMPRESSOR. Disconnect compressor harness connector. Do approx. 12 volts exist between compressor harness terminal No. 42 and body ground?
N.G.
(Go to next page.) — branch A
O.K.
2
[B] CHECK THERMAL PROTECTOR. Disconnect thermal protector harness connector. Does continuity exist between thermal protector harness terminal No. 45 and body ground?
N.G.
Replace thermal protector.
O.K.
3
Check magnet clutch coil.
N.G.
4
Replace magnet clutch.