Accessing Trouble Codes
ACCESSING SELF-DIAGNOSISNOTE: If faults are found, begin testing with Test A - Diagnostic Test. Pinpoint Tests
1. Turn air suspension switch to On position. Diagnostic pigtail must be ungrounded.
2. Install battery charger to reduce battery drain.
3. Cycle ignition from Off to Run position, hold in run position for a minimum of 5 seconds, then return to Off position. Driver's door is open with all other doors shut.
4. Attach a lead from diagnostic pigtail to vehicle ground. The pigtail must remain grounded during the diagnostic sequence.
5. Turn ignition switch to Run position (Do not start vehicle). The warning indicator will blink continuously at a rate of 1.8 blinks per second to indicate diagnostics has been entered and is ready.
6. Close the open driver's door once to initiate Test 1. The warning indicator will blink once, pause, blink, pause and continue pattern until next test is started.
7. Each successive transition from door closed to door open will cause module to advance to next step in test sequence. The warning indicator will blink the current test number.