Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Auxiliary Air Compressor Schematics | |||
1 | Did you review the Auxiliary Air Compressor Description and Operation and perform the necessary inspections? | Go to Step 2 | |
2 | Turn OFF the ignition. Does the auxiliary air compressor turn OFF? | Go to Step 5 | Go to Step 3 |
3 | Disconnect the auxiliary air tank switch connector. Does the auxiliary air compressor turn OFF? | Go to Step 4 | Go to Step 6 |
4 | Repair the short to voltage in the ignition 3 circuit. Refer to Wiring Repairs . Did you complete the repair? | Go to Step 9 | -- |
5 | Inspect the auxiliary air compressor system and accessories for a leak. Did you find and correct the condition? | Go to Step 9 | Go to Step 8 |
6 |
Did you find and correct the condition? | Go to Step 9 | Go to Step 7 |
7 | Replace the auxiliary air compressor relay. Did you complete the replacement? | Go to Step 9 | -- |
8 | Replace the auxiliary air tank pressure switch. Did you complete the replacement? | Go to Step 9 | -- |
9 |
Does the auxiliary air system pressurize then turn OFF. | System OK | Go to Step 2 |
