Module, Air Suspension Control (ASCM): Installation
WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- Install the Air Suspension Control Module (ASCM) onto the mounting bracket.
- Connect the wire harness connectors to the ASCM.
- Connect the negative battery cable.
- Position the left front seat to its full forward position.
- Install ASCM fasteners (1) to the mounting bracket. Tighten the Air Suspension Control Module (ASCM) nuts to proper specification. Refer to TECHNICAL SPECIFICATIONS
.
- Install the Air Supply Control Module (ASCM) cover (1).
- Position the left front seat rearward.
- For 3500 vehicles, use the scan tool to select the axle type and follow the procedure for single wheel or dual wheels vehicles.
- Perform the Curb Height Measurement to get values for input to the scan tool in the next step Refer to WHEEL ALIGNMENT, STANDARD PROCEDURE
.NOTE:
Make sure the scan tool preferences are set to metric. When writing the measured values to the Air Suspension Control Module (ASCM) they will need to be in millimeters.
- With a scan tool, using the routines under the ASCM, perform the following:
- Command the vehicle to Normal Ride Height (NRH).
- Perform the Write Suspension Height Values routine and input measurements recorded as prompted by scan tool.
- Perform the Curb Height Measurement again and verify specifications. Refer to WHEEL ALIGNMENT, STANDARD PROCEDURE .
- Run the Height Sensor Check routine on the air suspension system.
- Enable the air suspension system.
- Perform the ASCM VERIFICATION TEST. Refer to ASCM VERIFICATION TEST .