DTC Troubleshooting

DIAGNOSIS PROCEDURE - DTC P0510 CLOSED THROTTLE POSITION SWITCH (IDLE SWITCH) MALFUNCTION

Step	Action	Value(s)	Yes	No
1	Perform an On-Board Diagnostic (OBD) System Check. Is the system check complete?	-	Go to Step 2.	Go to "ON-BOARD DIAGNOSTIC (OBD II) SYSTEM CHECK ".
2	Turn the ignition switch to LOCK. Disconnect the MTIA connector. Disconnect the ECM connector. Check for a short to ground or open in the wire between the MTIA connector terminal 6 and ECM connector terminal 21. Is the problem found?	-	Go to Step 4.	Go to Step 3.
3	Check for a high voltage or open in the wire between the MTIA connector terminal 6 and ECM connector terminal 21. Is the problem found?	-	Go to Step 4.	Go to Step 5.
4	Turn the ignition switch to LOCK. Repair the wire or the connector terminal as needed. Clear any DTCs from ECM. Perform the diagnostic system check, (start engine and turn LOCK). Is the repair complete?	-	System OK	-
5	Repair the short to battery voltage or ground in the wire between the EVAP canister purge valve connector terminal 2 and the ECM connector terminal 50. Clear any Diagnostic Trouble Codes (DTCs) from the ECM. Perform the diagnostic system check. Is the repair complete?	-	Go to Step 6.	-
6	Using the scan tool, clear the Diagnostic Trouble Codes (DTCs). Start the engine and idle at normal operating temperature. Operate the vehicle within the conditions for setting the DTC as specific in the supporting text. Does the scan tool indicate that this diagnostic ran and passed?	-	Go to Step 7.	Go to Step 2.
7	Check if any additional DTCs are set. Are any DTCs displayed that have not been diagnosed?	-	Go to applicable DTC TABLE .	System OK