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 1350 (BLK)? | -- | Go to Step 3 | Go to Step 4 |
3 | Repair the open in CKT 1350 (BLK) between the component and ground. Is the repair complete? | -- | -- | |
4 | Test CKT 1350 (BLK) at terminal B of the load leveling air direction valve for an open circuit. Is an open present in CKT 1350 (BLK)? | -- | Go to Step 3 | Go to Step 5 |
5 |
Does the load leveling pump run? | -- | Go to Step 6 | Go to Step 7 |
6 | Replace the load leveling air inflator switch. Refer to Automatic Level Control Inflator Air Switch Replacement . Is the replacement complete? | -- | -- | |
7 |
Does the load leveling pump run? | -- | Go to Step 9 | Go to Step 8 |
8 | Repair the open in CKT 321 (YEL) between the load leveling timer relay and S472. Is the repair complete? | -- | -- | |
9 |
Is battery voltage present? | -- | Go to Step 13 | Go to Step 10 |
10 |
Is battery voltage present? | -- | Go to Step 11 | Go to Step 12 |
11 | Repair the open in CKT 1249 (DK BLU). Is the repair complete? | -- | -- | |
12 | Replace the load leveling timer relay. Refer to Automatic Level Control Relay Replacement . Is the replacement complete? | -- | -- | |
13 | Measure the resistance of the load leveling air direction valve. Is the resistance within the specified range? | 20-100 ohms | Go to Step 15 | Go to Step 14 |
14 | Replace the load leveling air direction valve. Refer to Automatic Level Control Solenoid Valve Replacement . Is the replacement complete? | -- | -- | |
15 |
Is a short to ground present in CKT 1267 (PPL)? | -- | Go to Step 16 | Go to Step 12 |
16 | Repair the short to ground in CKT 1267 (PPL). Is the repair complete? | -- | -- |
