Air Suspension Module (ASM)

1. Verify the customer concern by operating the system.
2. Visually inspect for obvious signs of electrical damage.

VISUAL INSPECTION CHART

Electrical
^ Central junction box (CJB) fuse 8 (10A)
^ Battery junction box (BJB) fuse:
- 12 (30A)
- 17 (10A)
^ Wiring harness
^ Connector(s)
^ Circuitry

3. If the inspection reveals obvious concerns that can be readily identified, repair as necessary.
4. If the concern remains after the inspection, refer to Electronic Level Control to carry out the auto-test.
5. If no DTCs are retrieved, refer to Electronic Level Control to continue diagnostics.
6. If no communication with the air suspension module, go to Pinpoint Test A. Pinpoint Tests
7. If unable to enter self-test, refer to Module Communications Network (Information Bus).