Pinpoint Test DH: Throttle Position (TP) Sensor: Introduction
This pinpoint test is intended to diagnose the following:
- TP sensor (9B989)
- binding or sticking throttle linkage
- harness circuits: TP, SIGRTN, VREF, VPWR, and PWRGND
- powertrain control module (PCM) (12A650)
For PCM connector views or reference values, refer to REFERENCE VALUES .
POWERTRAIN CONTROL MODULE (PCM) CONNECTOR PIN REFERENCE CHART
| Connector | Pin | Circuit |
|---|---|---|
| 170 Pin | E58 B47, B48, B49, B50 B40, E57 B35, B36 E61 |
SIGRTN PWRGND VREF VPWR TP |