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MAIN POWER SUPPLY AND GROUND CIRCUIT CHECK =NHHA0180 Power Supply Circuit Check NHHA0180S03 Check power supply circuit for air conditioner system. RHA368H DIAGNOSTIC PROCEDURE NHHA0181 SYMPTOM: I A/C system does not come on. 1 CHECK POWER SUPPLY CIRCUIT FOR AUTO AMP. Measure voltage across terminal Nos. 26, 27, 33 and body ground. SHA319FA OK or NG OK © GO TO 2. NG © Check auto amp. ground circuit. I Check 10A fuse (Nos. 12 and 19, located in the fuse block) and 15A fuses (Nos. 51 I If fuses are OK, check for open circuit in wiring harness. Repair or replace as neces- I If fuses are NG, replace fuse and check wiring harness for short circuit. Repair or GI MA EM LC EC FE AT AX SU BR ST RS BT SC EL IDX TROUBLE DIAGNOSES A/C System (Cont’d) HA-51 |