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DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION EC-395 [QG (WITH EURO-OBD)] C D E F G H I J K L M A EC 5. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT 1. Disconnect ECM harness connector. 2. Check harness continuity between ECM terminal 3 and throttle control motor relay terminal 3. 3. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 7. NG >> GO TO 6. 6. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors E105, M10 ● Harness connectors M71, F45 ● 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 1. Check continuity between ECM terminal 104 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 E106, M11 (LHD models) ● Harness connectors E145, M80 (RHD models) ● 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-397, "Component Inspection" . OK or NG OK >> GO TO 13. NG >> Replace throttle control motor relay. Continuity should exist. Continuity should exist. |