Diagnostic Procedure Using OBDII Scan Tool

DTC P0510 Closed Throttle Position Switch Malfunction

DIAGNOSTIC PROCEDURE USING OBDII SCAN TOOL





NOTE: If diagnostic trouble codes "P0110" (intake air temperature circuit malfunction), "P0115" (engine coolant temperature circuit malfunction) and "P0120" (throttle position circuit malfunction) are output simultaneously, E2 (sensor ground) may be open.

1. Check for open in harness or Engine Control Module.
- If not OK proceed to step 2.
- If OK confirm good connection at sensor. If OK, replace Throttle Position Sensor.
2. Check for open in harness and connector between Throttle Position Sensor and Engine Control Module.
- If OK confirm connection at Engine Control Module. If OK, replace Engine Control Module.
- If not OK open in harness between Engine Control Module and Throttle Position Sensor.