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EC-294 < COMPONENT DIAGNOSIS > [VQ25DE, VQ35DE] P2100, P2103 THROTTLE CONTROL MOTOR RELAY P2100, P2103 THROTTLE CONTROL MOTOR RELAY Description INFOID:0000000003856780 Power supply for the throttle control motor is provided to the ECM via throttle control motor relay. The throttle DTC Logic INFOID:0000000003856781 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at 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:0000000003856782 1. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Disconnect IPDM E/R harness connector. 4. Check the continuity between IPDM E/R harness connector and 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 |