Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the Automatic Level Control (ALC) System Check performed? | -- | ||
2 |
Is the measured voltage within the specified value? | B+ | ||
3 | Locate and repair an open or high resistance in circuit A44. Is the repair complete? | -- | -- | |
4 | Connect a fused jumper wire between terminal 5 and terminal 4 of the relay box. Does the rear suspension leveling air compressor activate? | -- | ||
5 |
Is the measured voltage within the specified value? | B+ | ||
6 | Locate and repair an open or high resistance in circuits X43 and/or X101. Is the repair complete? | -- | -- | |
7 | Replace the rear suspension leveling air compressor relay K19. Is the replacement complete? | -- | -- | |
8 | Connect a test lamp between terminal B and terminal D of the rear suspension leveling air compressor connector. Does the test lamp light? | -- | ||
9 | Locate and repair an open or high resistance in circuit F214. Is the repair complete? | -- | -- | |
10 | Repair or replace the rear suspension leveling air compressor. Refer to Automatic Level Control in Suspension. Is the repair or replacement complete? | -- | -- | |
11 |
Does the ALC system operate properly? | -- | System OK |
