C-Chart Identification/Availability
The following table lists only those C-charts available for this engine, as well as their identifications.
The component system diagnostic charts (C-charts) are used when no trouble codes have been set but one or more of the scan data values are not within typical ranges. Also, many times these charts can be used as component or subsystem functional checks.
These charts are not contained in this article. They can be found in SYSTEM/COMPONENT TESTS article in ENGINE PERFORMANCE section.
C-CHART IDENTIFICATION/AVAILABILITY
| Chart | Identification/Purpose |
|---|---|
| C-1 | ECM Replacement Check (ECM Quad Driver [QDR] Check) |
| C-1A | Park Neutral Switch Diagnosis (With A/T Only) |
| C-1D | Manifold Absolute Pressure (MAP) Output Check |
| C-1E | Power Steering Pressure Switch (PSPS) (With P/S Only) |
| C-2 | Idle Air Control (IAC) System Check |
| C-4D-1 | "DIS" Misfire AT IDLE |
| C-4D-2 | "DIS" Misfire UNDER LOAD |
| C-8A | Torque Convertor Clutch (TCC) Circuit (With A/T Only) |
| C-10 | A/C Clutch Control |
| C-12 | Engine Cooling Fan |
| C-16 | ECM Controlled "Temp" Light Circuit |