P2166

P2166-ACCELERATOR PEDAL POSITION SENSOR 1 MAXIMUM STOP PERFORMANCE

For a complete wiring diagram, refer to the Wiring Information.

- 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 five seconds. Engine will only idle.





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Pre-Diagnostic Troubleshooting Procedure.

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.

1. 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 may result in possible serious or fatal injury.

2. With the scan tool, select View DTCs.

Is the status Active for this DTC?

Yes

- Go To 2

No

- Perform the INTERMITTENT CONDITION diagnostic procedure. Intermittent Condition Test.

2. ACCELERATOR PEDAL POSITION SENSOR
1. With a scan tool perform the ETC RELEARN function.
2. With the scan tool, clear DTCs.
3. Start the engine.
4. 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. Powertrain Verification Test.

No

- Test. Complete.