HU: Intake Air Systems Introduction

HU: Pinpoint Tests

Note

This Pinpoint Test is intended to diagnose the following:

• Throttle body assembly (9E926)
• Speed control cable (9A825)
• Accelerator cable linkage to throttle body (9C799)
• Air cleaner assembly (including air cleaner element)
• Air inlet tube
• Clean air tube hose and resonator (9R504)(9F593)
• Intake manifold runner control housing assembly (IMRC) (9U531) (9U524) and (9J447)
• IMRC actuator assembly (9J559)
• Harness circuits: IMRC, IMRC Monitor, SIG RTN, PWR GND, VPWR
• Intake manifold tuning valve (IMT Valve) electric (9L490)
• Powertrain control module (PCM) (12A650)

Pinpoint Test Schematics and Connectors

Intake Air System

2.5L Contour/Mystique, 2.5L Cougar, 3.0L (4V) Taurus/Sable, 3.4L SHO, 3.8L Windstar, 4.2L E/F-Series

2.0L SPI Escort/Tracer

3.8L Windstar, 4.2L E/F-Series

4.6L Expedition/F-Series, 5.4L E-Series, 4V Expedition/Navigator, NG E/F-Series

3.0L LS6

HU: Pinpoint Tests