Pinpoint Test 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 HYBRID 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.
This pinpoint test is intended to diagnose the following:
- accelerator pedal position (APP) sensor (9F836)
- harness circuits: APP, APP2, APPVREF, APPVREF2, APPRTN, APPRTN2
- powertrain control module (PCM) (12A650)
APP SENSOR CONNECTOR PINS REFERENCE CHART
| Pin | Circuit |
|---|---|
| 5 | APP2 (Accelerator Pedal Position 2) |
| 2 | APP (Accelerator Pedal Position) |
| 4 | APPRTN2 (Accelerator Pedal Position Return 2) |
| 6 | APPVREF2 (Accelerator Pedal Position Reference Voltage 2) |
| 3 | APPRTN (Accelerator Pedal Position Return) |
| 1 | APPVREF (Accelerator Pedal Position Reference Voltage) |
PCM CONNECTOR PINS REFERENCE CHART
| Pin | Circuit |
|---|---|
| B61 | APPVREF2 (Accelerator Pedal Position Reference Voltage 2) |
| B45 | APPVREF (Accelerator Pedal Position Reference Voltage) |
| B29 | APP2 (Accelerator Pedal Position 2) |
| B28 | APP (Accelerator Pedal Position) |
| B60 | APPRTN2 (Accelerator Pedal Position Return 2) |
| B44 | APPRTN (Accelerator Pedal Position Return) |