Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
Schematic Reference: Automatic Level Control Schematics | ||||
1 | Did you review the automatic level control suspension system operation and perform the necessary inspections? | -- | Go to Step 2 | |
2 | Verify that the automatic level control inflator fill valve is inoperative. Does the automatic level control system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the test lamp illuminate? | -- | Go to Step 4 | Go to Step 12 |
4 | Connect a test lamp between the ground circuit of the automatic level control solenoid valve and a battery positive voltage circuit. Does the test lamp illuminate? | -- | Go to Step 5 | Go to Step 12 |
5 |
Does the automatic level control air compressor pump run? | -- | Go to Step 15 | Go to Step 6 |
6 | Connect a 3 amp fused jumper wire between the automatic level control relay coil supply voltage circuit of the automatic level control timer relay to the ground circuit of the automatic level control timer relay. Does the automatic level control air compressor pump run? | -- | Go to Step 7 | Go to Step 13 |
7 |
Does the voltage measure within the specified value? | 11-16 V | Go to Step 9 | Go to Step 8 |
8 |
Does the voltage measure within the specified value? | 11-16 V | Go to Step 11 | Go to Step 16 |
9 | Measure the resistance of the automatic level control solenoid valve. Does the resistance measure within the specified range? | 20-100 ohms | Go to Step 10 | Go to Step 17 |
10 |
Does the test lamp illuminate? | -- | Go to Step 14 | Go to Step 16 |
11 | Repair the open in the automatic level control inflator solenoid valve supply voltage circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 18 | -- |
12 | Repair the open in the component ground circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 18 | -- |
13 | Repair the open in the automatic level control relay coil supply voltage circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 18 | -- |
14 | Repair the short to ground in the automatic level control reset signal circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 18 | -- |
15 | Replace the automatic level control inflator air switch. Refer to Automatic Level Control Inflator Air Switch Replacement . Did you complete the replacement? | -- | Go to Step 18 | -- |
16 | Replace the automatic level control timer relay. Refer to Automatic Level Control Relay Replacement . Did you complete the replacement? | -- | Go to Step 18 | -- |
17 | Replace the automatic level control solenoid valve. Refer to Automatic Level Control Solenoid Valve Replacement . Did you complete the replacement? | -- | Go to Step 18 | -- |
18 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
