Pinpoint Test KD: Electric Exhaust Gas RECIRCULATION (EGR): Introduction
This pinpoint test is intended to diagnose the following:
- electric EGR stepper motor (9D475)
- harness circuits: EGRMC1, EGRMC2, EGRMC3, EGRMC4, EGRVCH, EGRVCL, EGRVP, SIGRTN, VPWR and VREF
- PCM (12A650)
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| F-150 2.7L | A | 2 1 3 4 5 |
EGRVP SIGRTN VREF EGRVCL EGRVCH |
| F-150 3.3L | A | 4 5 3 1 2 |
EGRVP SIGRTN VREF EGRVCL EGRVCH |
| All other vehicles | B | 6 4 3 1 5 2 |
EGRMC4 EGRMC3 EGRMC2 EGRMC1 VPWR VPWR |
Powertrain Control Module (PCM) Connector
For PCM connector views or reference values, refer to REFERENCE VALUES .
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| F-150 | 306 PIN | E49 E19 E40 |
EGRVP EGRVCL EGRVCH |
| All other vehicles | 198 PIN | E31 E46 E47 E48 |
EGRMC4 EGRMC3 EGRMC2 EGRMC1 |