Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2009 Subaru Tribeca BaseFACTORY OEM SERVICE PROCEDURE
Shift Lock Operation
DIAGNOSIS PROCEDURE CHART
| Step | Check | Yes | No |
|---|---|---|---|
1 CHECK SHIFT LOCK.
|
While brake pedal is not depressed, is it possible to move the select lever from the "P" range to other ranges? | Inspect "SELECT LEVER CANNOT BE SHIFT LOCKED". Ref. to SELECT LEVER CANNOT BE SHIFTED , INSPECTION, AT Shift Lock Control System. | Go to step 2 . |
| 2 CHECK SHIFT LOCK. | While brake pedal is depressed, is it possible to move the select lever from the "P" range to other ranges? | Go to step 3 . | Inspect "SELECT LEVER SHIFT LOCK CANNOT BE RELEASED". Ref. to SELECT LEVER CANNOT BE LOCKED , INSPECTION, AT Shift Lock Control System. |
| 3 CHECK SHIFT LOCK. Shift the select lever to "N" range. |
While depressing the brake pedal with ignition switch OFF, is it possible to shift the select lever from "N" range to "R" range? | Go to step 4 . | Inspect "SELECT LEVER SHIFT LOCK CANNOT BE RELEASED". Ref. to SELECT LEVER CANNOT BE LOCKED , INSPECTION, AT Shift Lock Control System. |
| 4 CHECK KEY INTERLOCK. Shift the select lever to the "P" range. |
When the select lever is set to other than "P" range, can the ignition switch turned to the "LOCK" position? | Go to step 5 . | Go to step 6 . |
| 5 CHECK BACKUP POWER SUPPLY. Inspect the backup power supply circuit. Ref. to BODY INTEGRATED UNIT POWER SUPPLY AND GROUND CIRCUIT , INSPECTION, AT Shift Lock Control System. |
Is the backup power supply circuit operating properly? | Perform the inspection of "KEY INTERLOCK CANNOT BE LOCKED OR RELEASED". Ref. to KEY INTERLOCK DOES NOT LOCK OR RELEASE , INSPECTION, AT Shift Lock Control System. | Repair the backup power supply circuit. |
| 6 CHECK KEY INTERLOCK. | When the select lever is in the "P" range, can the ignition switch be turned to the "LOCK" position? | AT shift lock system is normal. | Perform the inspection of "KEY INTERLOCK CANNOT BE LOCKED OR RELEASED". Ref. to KEY INTERLOCK DOES NOT LOCK OR RELEASE , INSPECTION, AT Shift Lock Control System. |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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