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.
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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 15 (AUTOMATIC TRANSMISSION (ON-VEHICLE SERVICE))SHIFT LOCK SYSTEM (ATM)ON-VEHICLE INSPECTION
2004 Toyota Matrix XR, FWD, Standard
On-Vehicle Inspection
2004 Toyota Matrix XR, FWD, StandardSECTION On-Vehicle Inspection
WARNING: This page is about a different variant/trim than selected.
- CHECK SHIFT LOCK OPERATION
- Shift the shift lever to P position.
- Turn the ignition switch to LOCK.
- Check that the shift lever cannot be shifted to any other positions other than P.
- Turn the ignition switch to ON, depress the brake pedal and check that the shift lever can be shifted to any other positions.
- CHECK SHIFT LOCK RELEASE BUTTON OPERATION
- Using a screwdriver, remove the shift lock release button cover.
- When operating the shift lever with the shift lock release button pressed and the ignition key in ACC or ON, check that the lever can be shifted to any other position.
- CHECK KEY INTERLOCK OPERATION
- Turn the ignition switch to ON.
- Depress the brake pedal and shift the shift lever to any other positions other than P.
- Check that the ignition key cannot be turned to LOCK.
- Shift the shift lever to P position, turn the ignition key to LOCK and check that the ignition key can be removed.
- INSPECT SHIFT LOCK CONTROL ECU
- Using a voltmeter, measure the voltage at each terminal.NOTE:
Do not disconnect the shift lock control ECU connector.
- Using a voltmeter, measure the voltage at each terminal.
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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.