CS35 2013.04
3.1.12-5 3.1.12-5Engine Immobilizer System
Symptom Diagnosis and Testing
General Equipment
Inspection and Verification
1. Verify the customer concern.
2. Visually inspect for obvious signs of
mechanical damage or electric damage.
3. If an obvious cause for an observed or
reported concern is found, correct the cause
before proceeding to the next step.
4. If no obvious problem been found, confirm
the failure and refer to the Symptom Chart.
Visual Inspection Chart
Digital multimeter
Changan Auto Special Diagnostic Tester
Mechanical Electric
• Starter key (password
transponder)
• Circuit
• Immobilizer controller
•ECM circuit
•BCM circuit
• IPC circuit
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