3.1.13-18
CS35 2013.04
3.1.13-18Electronic Control System - ME7
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
(if possible), before proceeding to the next
step.
4. If the cause is not visually evident, verify the
symptom and confirm the symptom with
diagnostic tool.
Visual Inspection Chart
Multimeter
Changan Auto special diagnostic tool
Exhaust back - pressure gauge
Cylinder pressure gauge
Fuel pressure gauge
Electrical
•Fuse
• Wiring harness
• Wiring harness plug
•Relay
•Sensor
• Switch
• Engine control module (ECM)
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