Step  | Action  | Value(s)  | Yes  | No  | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
1  | Did you perform the ALC Suspension System Check?  | --  | Go to Step 2  | |||||||||
2  | 
 Is an open present in CKT 1840 (ORN)?  | --  | Go to Step 3  | Go to Step 4  | ||||||||
3  | Repair the open in CKT 1840 (ORN). Is the repair complete?  | --  | --  | |||||||||
4  | Test CKT 639 (PNK) at terminal A for an open circuit. Is an open present in CKT 639 (PNK)?  | --  | Go to Step 5  | Go to Step 6  | ||||||||
5  | Repair the open in CKT 639 (PNK). Is the repair complete?  | --  | --  | |||||||||
6  | Test CKT 1350 (BLK) at terminal G for an open circuit. Is an open present in CKT 1350 (BLK)?  | --  | Go to Step 7  | Go to Step 8  | ||||||||
7  | Repair the open in CKT 1350 (BLK). Is the repair complete?  | --  | --  | |||||||||
8  | 
 Is an open present in CKT 639 (PNK)?  | --  | Go to Step 9  | Go to Step 10  | ||||||||
9  | Repair the open in the CKT 639 (PNK) between the load leveling height sensor and S473. Is the repair complete?  | --  | --  | |||||||||
10  | Test CKT 1350 (BLK) at terminal A for an open circuit. Is an open present in CKT 1350 (BLK)?  | --  | Go to Step 11  | Go to Step 12  | ||||||||
11  | Repair the open in CKT 1350 (BLK). Is the repair complete?  | --  | --  | |||||||||
12  | Test CKT 1298 (LT BLU) at terminal C for an open circuit. Is an open present in CKT 1298 (LT BLU)?  | --  | Go to Step 22  | Go to Step 13  | ||||||||
13  | Connect a fused jumper wire from terminal B, CKT 321 (YEL) to ground. Does the pump start and run?  | --  | Go to Step 14  | Go to Step 15  | ||||||||
14  | Replace the load leveling height sensor. Refer to Automatic Level Control Sensor and Bracket Replacement . Is the replacement complete?  | --  | --  | |||||||||
15  | Connect a fused jumper wire from the load leveling pump connector terminal D at CKT 321 (YEL) to ground. Does the pump start and run?  | --  | Go to Step 16  | Go to Step 17  | ||||||||
16  | Repair the open in CKT 321 (YEL) between the load leveling pump and the load leveling height sensor. Is the repair complete?  | --  | --  | |||||||||
17  | 
 
 
 
 
 Did you find an open circuit?  | --  | Go to Step 18  | Go to Step 19  | ||||||||
18  | Repair the open circuit. Is the repair complete?  | --  | --  | |||||||||
19  | 
 Does the test lamp illuminate?  | --  | Go to Step 21  | Go to Step 20  | ||||||||
20  | Replace the load leveling pump relay. Refer to Air Compressor Relay Replacement . Is the replacement complete?  | --  | --  | |||||||||
21  | Replace the load leveling pump. Refer to Air Compressor Replacement . Is the replacement complete?  | --  | --  | |||||||||
22  | 
 Is an open present in CKT 1298 (LT BLU)?  | --  | Go to Step 23  | Go to Step 24  | ||||||||
23  | Repair the open in CKT 1298 (LT BLU) between the load leveling timer relay and the load leveling height sensor. Is the repair complete?  | --  | --  | |||||||||
24  | Test CKT 1840 (ORN) at terminal D for an open circuit. Is an open present in CKT 1840 (ORN)?  | --  | Go to Step 25  | Go to Step 26  | ||||||||
25  | Repair the open in CKT 1840 (ORN). Is the repair complete?  | --  | --  | |||||||||
26  | Replace the load leveling timer relay. Refer to Automatic Level Control Relay Replacement . Is the replacement complete?  | --  | --  |