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EC-396 < DTC/CIRCUIT DIAGNOSIS > [VQ35DE] P2100, P2103 THROTTLE CONTROL MOTOR RELAY P2100, P2103 THROTTLE CONTROL MOTOR RELAY Description INFOID:0000000005536810 Power supply for the throttle control motor is provided to the ECM via throttle control motor relay. The throttle DTC Logic INFOID:0000000005536811 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct- Turn ignition switch OFF and wait at least 10 seconds. 2. Turn ignition switch ON. 3. Turn ignition switch OFF and wait at least 10 seconds. TESTING CONDITION: Witch DTC is detected? P2100 >> GO TO 2. 2. PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P2100 1. Turn ignition switch ON and wait at least 2 seconds. 2. Start engine and let it idle for 5 seconds. 3. Check DTC. Is DTC detected? YES >> Go to NO >> INSPECTION END 3. PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P2103 1. Turn ignition switch ON and wait at least 1 second. 2. Check DTC. Is DTC detected? YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000005536812 1. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. DTC No. Trouble diagnosis name DTC detecting condition Possible cause P2100 Throttle control motor ECM detects that the voltage of power source • Harness or connectors (Throttle control motor relay circuit is • Throttle control motor relay P2103 Throttle control motor ECM detects that the throttle control motor relay • Harness or connectors (Throttle control motor relay circuit is • Throttle control motor relay |