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P2100, P2103 THROTTLE CONTROL MOTOR RELAY EC-1137 < DTC/CIRCUIT DIAGNOSIS > [MR EXCEPT FOR NISMO RS MODELS] C D E F G H I J K L M A EC N P O Is the inspection result normal? YES >> GO TO 3. NO >> GO TO 2. 2. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT 1. Disconnect ECM harness connector. 2. Disconnect IPDM E/R harness connector. 3. Check the continuity between ECM harness connector and IPDM E/R harness connector. 4. Also check harness for short to ground. YES >> Perform the trouble diagnosis for power supply circuit. NO >> Repair or replace error-detected parts. 3. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL Check the voltage between ECM harness connector and ground as per the following conditions. Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-45, "Intermittent Incident" . NO >> GO TO 4. 4. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Disconnect IPDM E/R harness connector. 4. Check the continuity between ECM harness connector and IPDM E/R harness connector. 5. Also check harness for short to ground and to power. YES >> Check intermittent incident. Refer to GI-45, "Intermittent Incident" . NO >> Repair or replace error-detected parts. + − Continuity ECM IPDM E/R Connector Terminal Connector Terminal F24 97 E15 60 Existed ECM Condition Voltage (Approx.) Connector + Connector − Terminal Terminal F24 118 E19 152 Ignition switch: OFF 0 V Ignition switch: ON Battery voltage + − Continuity ECM IPDM E/R Connector Terminal Connector Terminal F24 118 E15 55 Existed |