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EVC-320 < DTC/CIRCUIT DIAGNOSIS > P31D3 M/C RELAY Check harness for short to power, between M/C relay harness connector and A/C relay harness connector. Is the inspection result normal? YES >> GO TO 4. NO >> Repair or replace error-detected parts. 4. CHECK M/C RELAY DRIVE CIRCUIT 1. Disconnect VCM harness connector. 2. Check harness for short to ground, between M/C relay harness connector and VCM harness connector. Is the inspection result normal? YES >> GO TO 6. NO >> Repair or replace error-detected parts. 5. CHECK A/C RELAY DRIVE CIRCUIT 1. Disconnect VCM harness connector. 2. Check harness for short to power, between A/C relay harness connector and VCM harness connector. Is the inspection result normal? YES >> GO TO 6. NO >> Repair or replace error-detected parts. 6. CHECK INTERMITTENT INCIDENT Check intermittent incident. Refer to GI-53, "Intermittent Incident" . Is the inspection result normal? YES >> Replace VCM. Refer to EVC-423, "Removal and Installation" . NO >> Repair or replace error-detected parts. Component Inspection (M/C Relay) INFOID:0000000010120789 1. CHECK M/C RELAY 1. Turn power switch OFF. 2. Disconnect M/C relay. + − Voltage M/C relay Connector Terminal E65 5 Ground 0 V + − Continuity M/C relay Connector Terminal E65 1 Ground Not existed + − Voltage A/C relay Connector Terminal E52 2 Ground 0 V |