HU: Intake Air Systems Introduction

HU: Pinpoint Tests See: Diagnostic Trouble Code Tests and Associated Procedures\SECTION 5: Pinpoint Tests\HU: Intake Air Systems - Pinpoint Test

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)
• IMSC actuator assembly (9L492)
• Harness circuits: IMRC/IMSC, IMRC/IMSC Monitor, SIG RTN, PWR GND, VREF, VPWR
• Intake manifold tuning valve (IMT Valve) electric (9L490)
• Powertrain control module (PCM) (12A650)

Pinpoint Test Schematics and Connectors

Intake Air System