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.
On-Vehicle Inspection
- CHECK SHIFT LOCK OPERATION
- Move the shift lever to the P position.
- Turn the engine switch off.
- Check that the shift lever cannot be moved to any position other than P.
- Turn the engine switch on (IG), depress the brake pedal and check that the shift lever can be moved to another position.
If operation cannot be done as specified, inspect the shift lock control unit.
- CHECK SHIFT LOCK RELEASE BUTTON OPERATION
- Using a screwdriver, remove the shift lock release cover.
- When operating the shift lever with the shift lock release button pressed, check that the lever can be moved to any position other than P.
If operation cannot be done as specified, check the shift lever assembly installation condition.
- INSPECT SHIFT LOCK CONTROL UNIT ASSEMBLY
- Measure the voltage according to the value(s) in the table below.
HINT:
Do not disconnect the shift lock control unit assembly connector.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard voltage
VOLTAGE SPECIFICATIONTerminal Measuring Condition Voltage (V) 12 (IG) - 3 (E) Engine switch on (IG) 10 to 14 12 (IG) - 3 (E) Engine switch off Below 1 6 (STP) - 3 (E) Brake pedal depressed 10 to 14 6 (STP) - 3 (E) Brake pedal released Below 1 - Measure the resistance according to the value(s) in the table below.
HINT:
Do not disconnect the shift lock control unit assembly connector.
If the result is not as specified, replace the shift lever assembly.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard resistance
RESISTANCE SPECIFICATIONTerminal Measuring Condition Specified Value 3 (E) - Body ground Always Below 1 Ω
- Measure the voltage according to the value(s) in the table below.
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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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