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.
Section 579 (Theft Deterrent System): Inspection
- INSPECT THEFT DETERRENT HORN OPERATION
Connect the positive (+) lead from the battery to the terminal 1 and negative (-) lead to theft deterrent horn body, and check that the theft deterrent horn blows.
If operation is not as specified, replace the horn.
- INSPECT ENGINE HOOD COURTESY SWITCH CONTINUITY ENGINE HOOD COURTESY SWITCH CONTINUITY
Switch Position Tester Connection Specified Condition LOCK - No Continuity UNLOCK 1 - 2 Continuity If continuity is not as specified, replace the switch.
- INSPECT ENGINE HOOD COURTESY SWITCH CIRCUIT (See ENGINE HOOD COURTESY SWITCH CIRCUIT )
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.