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EC-458 < DTC/CIRCUIT DIAGNOSIS > [VK56VD] P2100, P2103 THROTTLE CONTROL MOTOR RELAY P2100, P2103 THROTTLE CONTROL MOTOR RELAY DTC Logic INFOID:0000000006217960 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING 1. 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: Which 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:0000000006217961 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 E15. 4. Check the continuity between IPDM E/R harness connector and ECM harness connector. 5. Also check harness for short to ground and short to power. Is the inspection result normal? YES >> GO TO 3. DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause P2100 ETC MOT PWR-B1 ECM detects that the voltage of power • Harness or connectors (Throttle control motor relay circuit is open) • Throttle control motor relay P2103 ETC MOT PWR ECM detects that the throttle control • Harness or connectors (Throttle control motor relay circuit is shorted) • Throttle control motor relay IPDM E/R ECM Continuity Connector Terminal Connector Terminal E15 60 E80 123 Existed |