Diagnostic Test

SCAN TOOL DISPLAYS A WRITE FAILURE
1. With a scan tool, perform the SRI Memory Test.
Q: Does scan tool display Write Failure?

Yes :
- Replace and program the Powertrain Control Module per Service Information.
- Perform the POWERTRAIN VERIFICATION TEST .
No :
- Go To 2
SCAN TOOL DISPLAYS A WRITE REFUSED
1. With a scan tool, perform the SRI Memory Test.
Q: Does the scan tool display Write Refused?

Yes :
- Go To 3
No :
- Go To 4
PCM REFUSED 2ND TEST
1. With a scan tool, perform the SRI Memory Test a third time.
NOTE: Retest the SRI Memory two more times.

Q: Does the scan tool display Write Refused again?

Yes :
- Replace and program the Powertrain Control Module per Service Information.
- Perform the POWERTRAIN VERIFICATION TEST . z
No :
- Test Complete.
SCAN TOOL DISPLAYS SRI MILEAGE INVALID
1. With a scan tool, perform the SRI Memory Test.
Q: Does the scan tool display SRI Mileage Invalid?

Yes :
- Update the mileage and retest the SRI Memory.
- Perform the POWERTRAIN VERIFICATION TEST .
No :
- Go To 5
COMPARE SRI MILEAGE WITH ODOMETER
1. Compare the SRI Mileage stored with the Instrument Panel Odometer.
Q: Is the mileage within the specified range displayed on the scan tool?

Yes :
- Test Complete.
No :
- Update the mileage and retest the SRI Memory.
- Perform the POWERTRAIN VERIFICATION TEST .