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ECH-246 < DTC/CIRCUIT DIAGNOSIS > [HRA2DDT] P0641 SENSOR POWER SUPPLY P0641 SENSOR POWER SUPPLY DTC Logic INFOID:0000000010379139 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING Turn ignition switch OFF and wait at least 12 minutes. >> GO TO 2. 2. PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON and wait at least 1 second. 2. Check trip DTC. Is DTC detected? YES >> Proceed to ECH-246, "Diagnosis Procedure" NO >> INSPECTION END Diagnosis Procedure INFOID:0000000010379140 1. CHECK SENSOR POWER SUPPLY 1. Turn ignition switch ON. 2. Check the voltage between ECM harness connector and ground. Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-41, "Intermittent Incident" . NO >> GO TO 2. 2. CHECK SENSOR POWER SUPPLY CIRCUITS Check harness for short to power and short to ground, between the following terminals. DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P0641 SENSOR REFERENCE • ECM detects that the voltage of power source for sensor remains at more than 5.5 • ECM detects that the voltage of power source for sensor remains at less than 4.5 • Harness or connectors (The APP sensor 2 power supply circuit) • Accelerator pedal position sensor 2 + − Voltage (Approx.) ECM Connectors Terminal E9 23 Ground 5.0 V F18 117 F17 57 F17 41 |