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1A-201 Engine General Information and Diagnosis: 4 ECM voltage check (APP) sensor assembly with ignition switch turned OFF. 2) Check for proper connection to accelerator pedal position (APP) sensor assembly at “WHT”, “WHT/BLU” 3) If OK, measure voltage between “WHT” wire terminal of accelerator pedal position (APP) sensor assembly Is voltage 4 – 6 V? Go to Step 6. Go to Step 5. 5 Wire harness check turned OFF. 2) Check for proper connection of ECM connector at “E23- 56” terminal. 3) If OK, measure voltage between “E23-56” terminal of ECM connector and engine ground with ignition switch Is voltage 0 V? Substitute a known- “WHT” wire is shorted to 6 Wire harness check turned OFF. 2) Check for proper connection of ECM connector at “E23- 56”, “E23-55” and “E23-53” terminals. 3) If OK, measure resistance between “WHT/BLU” wire terminal and each “WHT”, “ORN/BLU” wire terminals of Is each resistance infinity? Go to Step 7. “WHT/BLU” wire is 7 Wire harness check connector and engine ground. Is voltage 0 V? Go to Step 8. “WHT/BLU” wire is 8 Ground circuit check OFF. 2) Measure resistance between “ORN” wire terminal of accelerator pedal position (APP) sensor assembly Is resistance below 3 Ω ? Go to Step 10. Go to Step 9. Step Action Yes No “BLU/GRN” “BLU/YEL” “ORN” “WHT/BLU” “WHT” “ORN BLU” I5JB0A110071-01 |