Pinpoint Test He: Exhaust Gas RECIRCULATION (EGR) Systems: Introduction
WARNING: This page is about a different variant/trim than selected.
This pinpoint test is intended to diagnose the following:
- differential pressure feedback exhaust gas recirculation (EGR) sensor (9J460)
- differential pressure feedback EGR sensor pressure hoses
- orifice tube assembly (9D477)
- EGR cooler
- harness circuits: DPFE, SIGRTN and VREF
- PCM (12A650)
| Pin | Circuit |
|---|---|
| 1 | DPFE (Differential Pressure Feedback EGR) |
| 2 | SIGRTN (Signal Return) |
| 3 | VREF (Reference Voltage) |
Powertrain Control Module (PCM) Connector
For PCM connector views or REFERENCE VALUES .
| Connector | Pin | Circuit |
|---|---|---|
| 306 PIN | E32 | DPFE |