Pinpoint Test HU: Intake Air Systems: Introduction: Notes

This pinpoint test is intended to diagnose the following:

• Accelerator cable linkage to throttle body (9C799).
• Air cleaner assembly (including air cleaner element).
• Air inlet tube.
• 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 also includes Charge Motion Control Valve (CMCV) (9G730).
• Intake Manifold Tuning Valve (IMTV) also includes the Long Short Runner Control (LSRC) (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).