Step | Action | Yes | No |
|---|---|---|---|
1 | Did you review the ALC System Description and Operation and perform the necessary inspections? | Go to Step 2 | |
2 | Verify the condition is present. Does the system operate normally? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 | Turn ON the ignition, with the engine OFF. Place the inflator switch in the ON position. Does the automatic level control compressor motor run with NO air at inflator valve? | Go to Step 15 | Go to Step 4 |
4 | Disconnect the automatic level control inflator air switch connector. Connect a fused jumper wire between the automatic level control inflator relay coil control circuit and ground. Does the automatic level control compressor motor run? | Go to Step 5 | Go to Step 6 |
5 | Replace automatic level control inflator air switch. Refer to Automatic Level Control Inflator Air Switch Replacement Did you complete the replacement? | Go to Step 19 | -- |
6 | Test the ground circuit of the automatic level control inflator air switch for an open. Did you find and correct the condition? | Go to Step 19 | Go to Step 7 |
7 | Disconnect the automatic level control inflator time relay. Connect a fused jumper wire between the automatic level control relay control supply voltage and ground. Does the automatic level control compressor motor run? | Go to Step 8 | Go to Step 10 |
8 | Inspect for poor connections at the harrness connector of the automatic level control inflator time relay. Did you find and correct the condition? | Go to Step 19 | Go to Step 9 |
9 | Replace automatic level control time relay. Did you complete the replacement? | Go to Step 19 | -- |
10 | Disconnect the automatic level control compressor connector. Connect a test lamp between the automatic level control compressor motor supply voltage circuit and ground. Does the test lamp illuminate? | Go to Step 11 | Go to Step 13 |
11 | Inspect for poor connections at the harrness connector of the automatic level control compressor assembly. Did you find and correct the condition? | Go to Step 19 | Go to Step 12 |
12 | Relace automatic level control compressor. Did you complete the replacement? | Go to Step 19 | -- |
13 | Inspect for poor connections at the harrness connector of the automatic level control compressor relay. Did you find and correct the condition? | Go to Step 19 | Go to Step 14 |
14 | Replace the automatic level control compressor relay. Did you complete the replacement? | Go to Step 19 | -- |
15 | Disconnect the automatic level control solenoid valve connector. Connect a test lamp between the automatic level control solenoid valve supply voltage and ground. Place the inflator switch in the ON position. Does the test lamp illuminate? | Go to Step 16 | Go to Step 17 |
16 | Inspect for poor connections at the harrness connector of the automatic level control compressor relay. Did you find and correct the condition? | Go to Step 19 | Go to Step 18 |
17 | Inspect for poor connections at the harrness connector of the automatic level control compressor relay. Did you find and correct the condition? | Go to Step 19 | Go to Step 9 |
18 | Replace automatic level control solenoid valve. Refer to Inflator Solenoid Replacement Did you complete the replacement? | Go to Step 19 | -- |
19 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 1 |
