Pinpoint Test HU: Intake Air Systems: Introduction

WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2010 Mercury Milan, 2010 Mercury Mariner, 2010 Mercury Grand Marquis, 2010 Lincoln Town Car, and 2010 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.

This pinpoint test is intended to diagnose the following:

accelerator cable linkage to throttle body (9C799)
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 (IMRC) housing assembly (9U531), (9U524) and (9J447)
IMRC actuator assembly (9J559)
IMRC (9G730)
intake manifold tuning valve (IMTV) (9L490)
IMTV electric actuator assembly (9L490)
speed control cable (9A825)
throttle body assembly (9E926)
harness circuits: IMRC, MONITOR, SIGNAL, SIGRTN, PWRGND, and VPWR
harness circuits: IMTV, MONITOR, SIGNAL, and VPWR
powertrain control module (PCM) (12A650)

Fig 1: Intake Manifold Runner Control (IMRC) Actuator Connector

Courtesy of FORD MOTOR CO.

Fig 2: Intake Manifold Runner Control Monitor (IMRCM) Sensor Connector

Courtesy of FORD MOTOR CO.

For most vehicles the IMRCM is integrated into the IMRC connector.

Fig 3: Intake Manifold Tuning Valve (IMTV) Actuator Connector

Courtesy of FORD MOTOR CO.

For PCM connector views or reference values, refer to REFERENCE VALUES .

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR PIN REFERENCE CHART

Vehicle	Connector	Pin	Circuit
F-150	190-Pin	E64 B69 E22	SIGRTN PWRGND IMRC
F-Series Super Duty	170 Pin	E58 B47 E64	SIGRTN PWRGND IMTV
Focus	190-Pin	E64 B69 E25 E22	SIGRTN PWRGND IMRCM IMRC
Mustang	170 Pin	E58 B47 E50 E50	SIGRTN PWRGND IMRCM IMRC
All other vehicles	170 Pin	E58 B47 E50	SIGRTN PWRGND IMRC