Pinpoint Tests HU: Intake Air Systems: Introduction
WARNING: This page does not describe the selected car, but rather 27 other vehicles, including the 2021 Lincoln Navigator, 2021 Lincoln Nautilus, 2021 Lincoln Corsair, 2021 Lincoln Aviator, and 2021 Ford Transit-350 HD. However, it is still accessible from the selected car via links, so may be relevant.
This pinpoint test is intended to diagnose the following:
- air cleaner assembly (including air cleaner element) (9600)
- air inlet tube (9F843)
- clean air tube hose and resonator (9R504) and (9F593)
- intake manifold runner control bank 1 (IMRC1) solenoid (9J559)
- intake manifold runner control bank 2 (IMRC2) solenoid (9J559)
- intake manifold runner control bank 1 (IMRC1) sensor (9P471)
- intake manifold runner control bank 2 (IMRC2) sensor (9P471)
- throttle body assembly (9E926)
- harness circuits: IMRC, IMRC1, IMRC1A, IMRC2, IMRC2A, SIGRTN, VPWR and VREF
- PCM (12A650)
| Pin | Circuit |
|---|---|
| 1 | VPWR (Vehicle Power) |
| 2 | IMRC1A (Intake Manifold Runner Control Bank 1 Actuator) |
| Pin | Circuit |
|---|---|
| 1 | IMRC1 (Intake Manifold Runner Control Bank 1) |
| 3 | SIGRTN (Signal Return) |
| 2 | VREF (Reference Voltage) |
| Pin | Circuit |
|---|---|
| 1 | VPWR (Vehicle Power) |
| 2 | IMRC2A (Intake Manifold Runner Control Bank 2 Actuator) |
| Pin | Circuit |
|---|---|
| 1 | IMRC2 (Intake Manifold Runner Control Bank 2) |
| 3 | SIGRTN (Signal Return) |
| 2 | VREF (Reference Voltage) |
Powertrain Control Module (PCM) Connector
For PCM connector views or Reference values, Refer to Reference Values.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Mustang 5.0L | 306 PIN | E27 E7 E15 E15 |
IMRC2 IMRC1 IMRC2A IMRC1A |
| Mustang 5.2L | 198 PIN | E44 E45 E59 E60 |
IMRC2 IMRC1 IMRC2A IMRC1A |
| All other vehicles | 306 PIN | E27 E7 E15 |
IMRC2 IMRC1 IMRC1A |