|
|
EC-428 < DTC/CIRCUIT DIAGNOSIS > [MRA8DE] P2118 THROTTLE CONTROL MOTOR P2118 THROTTLE CONTROL MOTOR DTC Logic INFOID:0000000009758684 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test. 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. >> GO TO 2. 2. PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON and wait at least 2 seconds. 2. Start engine and let it idle for 5 seconds. 3. Check DTC. YES >> Proceed to . NO >> INSPECTION END Diagnosis Procedure INFOID:0000000009758685 1. CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect electric throttle control actuator harness connector. 3. Disconnect ECM harness connector. 4. Check the continuity between electric throttle control actuator harness connector and ECM harness con- nector. 5. Also check harness for short to ground and to power. YES >> GO TO 2. NO >> Repair or replace error-detected parts. DTC No. CONSULT screen terms (Trouble diagnosis con- tent) DTC detecting condition Possible cause P2118 ETC MOT-B1 ECM detects short in both circuits between • Harness or connectors (Throttle control motor circuit is shorted.) • Electric throttle control actuator (Throttle control motor) + − Continuity Electric throttle control actu- ator ECM Connector Terminal Connector Terminal F7 5 F24 3 Not existed 1 Existed 6 3 Existed 1 Not existed |