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6E–304 6VE1 3.5 ENGINE DRIVEABILITY AND EMISSIONS D Restricted air intake system – Check for a possible D Throttle body – Check for objects blocking the ETC D Large vacuum leak – Check for a condition that causes Reviewing the Failure Records vehicle mileage since the DTC P0506 – Idle Air Control System Low RPM
Step Action Value(s) Yes No 1 Was the “On-Board (OBD) System Check” performed? — Go to Step 2 Go to OBD System Check 2 Visually/physically inspect for the following conditions: D Throttle body tampering. D Restricted intake throttle system. Check for a D Throttle body: Check for objects blocking the D Throttle body with lever: Check for objects send Do any of the above require a repair? — Refer to appropriate section for on–vehicle service Go to Step 3 3 Visually/physically inspect for the following conditions: D Acceleration pedal tampering. D Acceleration pedal : Check for objects blocking D Acceleration pedal : Check for objects move the Do any of the above require a repair? — Refer to appropriatese ction for on-vehicle service Go to Step 4 4 1. Check for a poor connection at the throttle body harness connector. 2. Check for a poor connection at the acceleration position sensor harness connector. 3. If a problem is found, replace faulty terminals as necessary. Was a problem found? — Verify repair Go to Step 5 5 Check the following circuits for an open, short to D Throttle position sensor 1 circuit. D Throttle position sensor 2 circuit. D Throttle DC motor circuit. D Throttle position sensor resistance. D Throttle DC motor resistance. D If a problem is found, repair as necessary. Was a problem found? Vcc-GND 1–7k W SIG-DND change resistance0.3 – 100 W Verify repair Go to Step 6 |