Important: Review the system operation in order to familiarize yourself with the system functions. Refer to Automatic Transmission Shift Lock Control Circuit Description .
Visual/Physical Inspection
| • | Inspect for aftermarket devices which could affect the operation of the Automatic Transmission Shift Lock Control System. Refer to Checking Aftermarket Accessories in Wiring Systems. |
| • | Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom. |
| • | Inspect the automatic transmission shift lock control system and any related linkage for mechanical binding. |
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
Step | Action | Yes | No |
|---|---|---|---|
DEFINITION: This table test for the proper operation of the automatic transmission shift lock control system. SCHEMATIC REFERENCE: Shift Lock Control Schematics | |||
1 | Did you review the automatic transmission shift lock control operation and perform the necessary inspections? | Go to Step 2 | Go to Automatic Transmission Shift Lock Control Circuit Description |
2 | Verify the fault is present. Does the system operate normally? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems. | Go to Step 3 |
3 |
Does the shift lever move out of the PARK position? | Go to Step 4 | Go to Automatic Transmission Shift Lock Control Always On with Ignition in Run |
4 |
Does the shift lever move out of the PARK position? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems. | |
