GPEC

P2166-ACCELERATOR PEDAL POSITION SENSOR 1 MAXIMUM STOP PERFORMANCE





For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
With the igniting on. During in-plant testing, the APP Sensor is checked to make sure the minimum and maximum values can be reached.

- Set Condition:
APPS 1 has failed to achieve the required maximum value during In-Plant testing. One trip fault and the code will set within 5 seconds. Engine will only idle.





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Initial Inspection and Diagnostic Overview.

Diagnostic Test

1. DTC IS ACTIVE

NOTE: This DTC is set when the APPS values are learned in-plant but do not reach the minimum or maximum voltage range.

NOTE: Diagnose any APPS or 5 volt supply DTCs before continuing.

Start the engine and allow it to reach normal operating temperature.

WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts, or fan. Do not wear loose clothing. Failure to follow these instructions can result in personal injury or death.

With the scan tool, select View DTCs.
Is the status Active for this DTC?

Yes

- Go to 2

No

- Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure.Checking For An Intermittent DTC

2. ACCELERATOR PEDAL POSITION SENSOR
With a scan tool perform the ETC RELEARN function.
With the scan tool, clear DTCs.
Start the engine.
With the scan tool, select View DTCs.
Is the status Active for this DTC?

Yes

- Replace the Accelerator Pedal Position Sensor. After installation is complete, perform the ETC RELEARN function.
- Perform the PCM Verification Test Ver. 1Powertrain Verification Test.

No

- Test Complete.