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EC-344 < DTC/CIRCUIT DIAGNOSIS > [VQ35DE] P0643 SENSOR POWER SUPPLY Is the inspection result normal? YES >> GO TO 7. NO >> GO TO 3. 3. CHECK SENSOR POWER SUPPLY CIRCUIT Check harness for short to power and short to ground, between the following terminals. Is the inspection result normal? YES >> GO TO 4. NO >> Repair short to ground or short to power in harness or connectors. 4. CHECK COMPONENTS Check the following. EC-260, "Component Inspection" • Battery current sensor (Refer to EC-360, "Component Inspection" .) • Power steering pressure sensor (Refer to EC-336, "Component Inspection" Is the inspection result normal? YES >> GO TO 5. NO >> Replace malfunctioning component. 5. CHECK TP SENSOR EC-174, "Component Inspection" Is the inspection result normal? YES >> GO TO 9. NO >> GO TO 6. 6. REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR 1. Replace electric throttle control actuator. 2. Go to EC-174, "Special Repair Requirement" . >> INSPECTION END 7. CHECK APP SENSOR EC-409, "Component Inspection" Is the inspection result normal? YES >> GO TO 9. NO >> GO TO 8. 8. REPLACE ACCELERATOR PEDAL ASSEMBLY 1. Replace accelerator pedal assembly. 2. Go to EC-409, "Special Repair Requirement" . >> INSPECTION END 9. CHECK INTERMITTENT INCIDENT GI-39, "Intermittent Incident" ECM Sensor Connector Terminal Name Connector Terminal F8 47 TP sensor F29 1 51 Battery current sensor F76 1 55 PSP sensor F62 3 59 CMP sensor (PHASE) (bank 1) F26 1 63 CMP sensor (PHASE) (bank 2) F69 1 E16 83 APP sensor E110 4 |