Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
Schematic Reference: Automatic Level Control Schematics | ||||
1 | Did you perform the Automatic Level Control (ALC) Diagnostic System Check? | -- | ||
2 |
Does the voltage measure near the specified value? | 12 V | ||
3 | Repair an open or high resistance in the battery positive voltage circuit of the auto level control relay K19. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | -- | |
4 | Connect a fused jumper wire between the battery positive voltage circuit of the auto level control relay K19 and the battery feed circuit of the auto level control air compressor. Does the auto level control air compressor activate? | -- | ||
5 |
Does the voltage measure near the specified value? | 12 V | ||
6 | Repair an open or high resistance in the battery feed circuit of the auto level control air compressor. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | -- | |
7 | Replace the auto level control air compressor relay K19. Did you complete the replacement? | -- | -- | |
8 | Test the auto level control air compressor ground circuit for an open. Refer to Testing for Continuity in Wiring Systems. Did you find and correct the condition? | -- | ||
9 | Replace the auto level control air compressor. Refer to Air Compressor Replacement . Did you complete the replacement? | -- | -- | |
10 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | |
