Diagnostic Procedures
WARNING: This page is about a different variant/trim than selected.
- Perform On-Board Diagnostic (OBD) system check. See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK . After performing OBD system check, go to next step.
- Perform CKP Variation Learning procedure as follows:
- Install scan tool.
- Apply parking brakes and block drive wheels.
- Close hood.
- Place transmission in Park (A/T) or Neutral (M/T).
- Warm engine to 150°F (65°C).
- Turn off all accessories.
- Apply service brakes for duration of procedure.
- Enable CKP SYSTEM VARIATION LEARN PROC on scan tool.
- Slowly raise engine speed to 4000 RPM.
- Immediately release throttle when engine speed decreases.
- Attempt CKP learn procedure as many as 3 times. If scan tool indicates that learn procedure is complete, go to step 5. If scan tool does not indicate that learn procedure is complete, go to next step.
- Check CKP sensor and crankshaft reluctor wheel for damage. If problem is found, go to step 6. If no problem is found, see DIAGNOSTIC AIDS .
- Turn ignition off for 15 seconds, then go to step 7.
- Replace CKP sensor and/or reluctor wheel. After replacing components, go to next step.
- Using scan tool, select DTC, CLEAR INFO. Start and warm engine to normal operating temperature. Select DTC, SPECIFIC, then enter this DTC. Operate vehicle within the conditions for setting this DTC. If scan tool indicates that this test ran and passed, go to next step. If scan tool does not indicate that this test ran and passed, repeat step 2.
- Using scan tool, select CAPTURE INFO, REVIEW INFO. If any undiagnosed DTCs are displayed, go to applicable DTC test.