Diagnostic Aids
Perform this test only when directed by QUICK TEST. This test is intended to diagnose:
- Wiring harness circuits CLS, SS1, SS3, EPC, MCCC, TOT, MLP and VPWR.
- ECA.
NOTE:
Procedure begins with step 90). No test procedures have been omitted.
90) Vehicle Preparation Ensure all components are connected. Ensure transmission fluid is correct level. Warm engine to normal operating temperature. Perform KOEO and CONTINUOUS MEMORY CODE SELF-TEST. If Code 49/617, 56/637, 59/618, 66/638, 69/619, 62/628, 645, 646, 647, 648 or 656 is present, go to step 93). If none of these codes are present, go to step 91).
91) Drive Cycle Test