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 MANUALSTOYOTA1994PREVIA LE, 2TZ-FZE, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSDOOR LOCKS - POWERTROUBLE SHOOTINGKEY IN IGNITION SWITCH WARNING, DOES NOT OPERATE
1994 Toyota Previa LE, 2TZ-FZE, AWD
Key In Ignition Switch Warning, Does Not Operate
1994 Toyota Previa LE, 2TZ-FZE, AWDSECTION Key In Ignition Switch Warning, Does Not Operate
- Check key unlock warning switch.
- Check door courtesy switch.
- Check door lock switch.
- Check harness and connectors.
- Check door lock control relay. See POWER DOOR LOCK CONTROL RELAY CIRCUIT TESTING CHARTS.
- Check anti-theft and door lock control ECU. See the ANTI-THEFT SYSTEM article in the ACCESSORIES/SAFETY EQUIPMENT section.
RENDER: 1.0x
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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.