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.
Ignition Switch And Key Unlock Warning Switch: Inspection
- INSPECT IGNITION SWITCH CONTINUITY CONTINUITY
Switch position Tester connection Specified condition LOCK - No continuity ACC 1-3 Continuity ON 1-2-3-5-6 Continuity START 1-2-4-5-6 Continuity If continuity is not as specified, replace the switch.
- INSPECT KEY UNLOCK WARNING SWITCH CONTINUITY CONTINUITY
Switch position Tester connection Specified condition OFF (Key removed) - No continuity ON (Key set) 1-2 Continuity If continuity is not as specified, replace the switch.
- INSPECT KEY UNLOCK WARNING BUZZER
Check that the buzzer sounds when driver's door is opened and key inserted.
If operation is not as specified, replace the combination meter. (See COMBINATION METER )
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.