Pinpoint Tests DK: Accelerator Pedal Position (App) Sensor: Introduction
WARNING:
To prevent the risk of high-voltage shock, always follow precisely all warnings and service instructions, including instructions to depower the system. The high-voltage system utilizes approximately 300 volts DC, provided through high-voltage cables to its components and modules. The high-voltage cables and wiring are identified by orange harness tape or orange wire covering. All high-voltage components are marked with high-voltage warning labels with a high-voltage symbol. Failure to follow these instructions may result in serious personal injury or death.
NOTE:
After clearing an APP sensor diagnostic trouble code (DTC) to verify a repair or an intermittent concern, apply the accelerator pedal before carrying out the self-test. Take 10 seconds to carry out a full sweep of the accelerator pedal from fully released to fully applied and back to fully released
This pinpoint test is intended to diagnose the following:
- APP sensor (9F836)
- harness circuits: APP1, APP2, APPRTN1, APPRTN2, APPVREF1, and APPVREF2
- PCM (12A650)
Harness Side
| Circuit | Pin |
|---|---|
| APPVREF1 (Accelerator Pedal Position Reference Voltage 1) | 1 |
| APPVREF2 (Accelerator Pedal Position Reference Voltage 2) | 6 |
| APP1 (Accelerator Pedal Position 1) | 2 |
| APP2 (Accelerator Pedal Position 2) | 5 |
| APPRTN1 (Accelerator Pedal Position Return 1) | 3 |
| APPRTN2 (Accelerator Pedal Position Return 2) | 4 |
Harness Side
| Circuit | Pin |
|---|---|
| APP1 (Accelerator Pedal Position 1) | B30 |
| APP2 (Accelerator Pedal Position 2) | B29 |