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1A-123 Engine General Information and Diagnosis: For Petrol Engine Model 3 ECM voltage check assembly with ignition switch turned OFF. 2) Check for proper connection to electric throttle body assembly at “RED”, “WHT” and “GRN” wire terminals. For J20 engine For M16 engine 3) If OK, measure voltage between “WHT” wire terminal of electric throttle body assembly connector and engine Is voltage 4 – 6 V? Go to Step 5. Go to Step 4. 4 ECM voltage check connected. 3) Check for proper connection of ECM connector at “C37- 53” terminal. 4) If OK, measure voltage between “C37-53” terminal of ECM connector and engine ground with ignition switch Is voltage 4 – 6 V? “WHT” wire is open or Go to Step 5. 5 Wire harness check throttle body assembly connector and engine ground Is voltage 4 – 6 V? Go to Step 8. Go to Step 6. 6 Wire harness check turned OFF. 2) Check for proper connection of ECM connector at “C37- 40” and “C37-41” terminals. 3) If OK, measure resistance between “RED” and “GRN” wire terminals of electric throttle body assembly Is resistance infinity? Go to Step 7. “RED” wire is shorted to Step Action Yes No "BLK" "WHT" "RED" "GRN" "BLU/YEL" "BLU/RED" I5JB0A110042-01 "BLU/RED" "BLU/YEL" "GRN" "RED" "WHT" "BLK" I5JB0A110043-01 |