Flow of Diagnosis

1. Verify customer concern by operating the anti-theft alarm system.
2. Visually inspect the following components of the anti-theft alarm system:

VISUAL INSPECTION CHART

Mechanical
- Door lock key cylinders binding
- Loose hood anti-theft switch

Electrical
- Blown fuse(s):
- 7.5 A S.E.C.
- 10 A ELECTRON (IGN)
- 30 A PWR WDW
- 15 A HORN
- Damaged circuit breaker #1
- Damaged or corroded anti-theft relay
- Broken or loose wiring
- Damaged, loose or misaligned hood anti-theft switch
- Damaged or loose luggage compartment lamp switch
- Damaged or loose door courtesy lamp switch(es)

3. Verify that the following systems are operating correctly:
- Horn.
- Headlamps.
- Instrument cluster and panel lighting.
- Power door locks.
- Keyless entry remote transmitter (if equipped).

4. Check wiring harness for obvious signs of looseness, corrosion, or damage.
5. If the fault is not visually evident, determine the symptom and proceed to the Symptom Chart. Symptom Related Diagnostic Procedures