Inspection and Verification

1. Verify the customer concern by operating the system in question.
2. Visually inspect for obvious signs of electrical damage, use the visual inspection chart.

Visual Inspection Chart

Electrical
- Damaged wiring harness
- Loose or corroded connections
- Damaged 4WABS module
- Damaged Electronic Crash Sensor (ECS) module
- Damaged powertrain control module

3. If the fault is not visually evident, perform the System Pre-Check. System Precheck