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DTC P0643 SENSOR POWER SUPPLY EC-1197 [VK45DE] C D E F G H I J K L M A EC 3. CHECK SENSOR POWER SUPPLY CIRCUITS Check harness for short to power and short to ground, between the following terminals. OK or NG OK >> GO TO 4. NG >> Repair short to ground or short to power in harness or connectors. 4. CHECK COMPONENTS Check the following. ● EVAP control system pressure sensor (Refer to EC-1144, "Component Inspection" ● Refrigerant pressure sensor (Refer to ATC-97, "COMPONENT INSPECTION" .) ● Battery current sensor (Refer to EC-1242, "Component Inspection" ● Power steering pressure sensor (Refer to EC-1185, "Component Inspection" OK or NG OK >> GO TO 7. NG >> Replace malfunctioning component. 5. CHECK APP SENSOR Refer to EC-1341, "Component Inspection" . OK or NG OK >> GO TO 7. NG >> GO TO 6. 6. REPLACE ACCELERATOR PEDAL ASSEMBLY 1. Replace accelerator pedal assembly. 2. Perform EC-788, "Accelerator Pedal Released Position Learning" 3. Perform EC-788, "Throttle Valve Closed Position Learning" 4. Perform EC-788, "Idle Air Volume Learning" >> INSPECTION END 7. CHECK INTERMITTENT INCIDENT Refer to EC-857, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" >> INSPECTION END ECM terminal Sensor terminal Reference Wiring Diagram 90 APP sensor terminal 4 48 EVAP control system pressure sensor terminal 3 49 Refrigerant pressure sensor terminal 1 Battery current sensor terminal 1 68 PSP sensor terminal 1 |