Diagnostic Test
- CHECK FOR AN ACTIVE DTC
- With the scan tool, read DTCs and record on the repair order.
- Record the Environmental Data.
- With the scan tool, erase DTCs.
- Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
- With the scan tool, read ESM DTCs.
Did the DTC return?
Yes
- Go To 2
No
- Perform the TESTING FOR AN INTERMITTENT CONDITION procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
- CHECK FOR PROPER SHIFTER OPERATION
- Operate the shifter several times through all gear positions.
Does the shifter lever operate smoothly with no indications of binding or sticking?
Yes
- Go To 3
No
- Correct the cause of binding or sticking.
- Perform the ESM VERIFICATION TEST. Refer to ESM VERIFICATION TEST .
- Operate the shifter several times through all gear positions.
- CHECK FOR PROPER SHIFTER CABLE ADJUSTMENT
- Check Shifter Cable adjustment in accordance with the Service Information. Refer to CABLE, SHIFT, ADJUSTMENTS
.
Was the Shifter Cable correctly adjusted?
Yes
- Go To 4
No
- Adjust the Shifter Cable in accordance with the Service Information. Refer to CABLE, SHIFT, ADJUSTMENTS .
- Perform the ESM VERIFICATION TEST. Refer to ESM VERIFICATION TEST .
- Check Shifter Cable adjustment in accordance with the Service Information. Refer to CABLE, SHIFT, ADJUSTMENTS
.
- CHECK RELATED HARNESS CONNECTIONS
- Disconnect all ESM harness connectors.
- Disconnect all related in-line harness connections (if equipped).
- Disconnect the related component harness connectors.
- Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
- Proper connector installation.
- Damaged connector locks.
- Corrosion.
- Other signs of water intrusion.
- Weather seal damage (if equipped).
- Bent terminals.
- Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
- Terminals that have been pushed back into the connector cavity.
- Perform a terminal drag test on each connector terminal to verify proper terminal tension.
Repair any conditions that are found.
- Reconnect all ESM harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
- Reconnect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
- Reconnect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
- With the scan tool, erase DTCs.
- Using the recorded Event and Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
- With the scan tool, read ESM DTCs.
Did the DTC return?
Yes
- Replace the Electronic Shift Module (ESM) in accordance with the Service Information. Refer to MODULE, ELECTRONIC SHIFT (ESM), REMOVAL .
- Perform the ESM VERIFICATION TEST. Refer to ESM VERIFICATION TEST .
No
- Perform the ESM VERIFICATION TEST. Refer to ESM VERIFICATION TEST .
- Test complete.