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DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION EC-441 C D E F G H I J K L M A EC 6. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors F32, E32 ● Harness for open or short between ECM and throttle control motor relay >> Repair open circuit or short to ground or short to power in harness or connectors. 7. CHECK THROTTLE CONTROL MOTOR RELAY OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Check continuity between ECM terminal 26 and throttle control motor relay terminal 1. 2. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 9. NG >> GO TO 8. 8. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors F32, E32 ● Harness for open or short between ECM and throttle control motor relay >> Repair open circuit or short to ground or short to power in harness or connectors. 9. CHECK THROTTLE CONTROL MOTOR RELAY Refer to EC-442, "Component Inspection" OK or NG OK >> GO TO 10. NG >> Replace throttle control motor relay. 10. CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN OR SHORT 1. Turn ignition switch “OFF”. 2. Disconnect electric throttle control actuator harness connector. 3. Disconnect ECM harness connector. 4. Check harness continuity between the following terminals. 5. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 11. NG >> Repair or replace. Continuity should exist. Electric throttle control actuator terminal ECM terminal Continuity 3 151 Should not exist 154 Should exist 6 151 Should exist 154 Should not exist PBIB0015E |