KT - Testing Notes

NOTE:
You should enter this Pinpoint Test only when you have been directed here from Diagnostic Routines.

REMEMBER:
To prevent the replacement of good components, be aware that the following non-Electronic Engine Controls (EEC) areas may be at fault:

- Vacuum tank leaks

- Vacuum hose leaks

This Pinpoint Test is intended to diagnose only the following:

- Intake Manifold Runner Control (IMRC) solenoid

- Harness circuits: VPWR and IMRC

- Powertrain Control Module (PCM)

Octane Adjust Connector View:

DESCRIPTION
The IMRC solenoid is an output used to control an on-off vacuum switching valve that allows additional air intake to each cylinder.