Inspection and Verification
- Verify the customer concern by operating the system.
- Visually inspect for obvious signs of electrical damage.
- If the inspection reveals obvious concerns that can be readily identified, repair as necessary.
- If the concern remains after the inspection, see INSPECTION AND VERIFICATION to continue diagnostics.
- If no DTCs are retrieved, see REAR AIR SUSPENSION CONTROL MODULE DIAGNOSTIC to continue diagnostics.
- If no communication with the air suspension module, go to PINPOINT TEST A .
- If unable to enter self-test, see COMMUNICATIONS NETWORK .