Diagnostic Test

WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

VERIFY THE DTC IS ACTIVE
NOTE:
If multiple DTCs are present, inspect the wiring and connector at the Air Suspension Compressor.
1. Ignition on, engine not running.
2. With the scan tool, record and erase DTCs.
3. With the scan tool, read DTCs.
  Is the DTC active at this time?
  
  Yes
  - Go To 2
  No
  - Go To 4
(Y35) AMBIENT VALVE CONTROL CIRCUIT SHORTED TO GROUND

Fig 1: Checking Ambient Valve Control Circuit For A Short To Ground
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off to the lock position.
2. Disconnect the Air Suspension Solenoid Assembly harness connector.
3. Disconnect the ASCM C2 harness connector.
4. Measure the resistance between ground and the (Y35) Ambient Valve Control circuit.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Repair the (Y35) Ambient Valve Control circuit for a short to ground.
  - Perform the ASCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 3
AIR SUSPENSION SOLENOID ASSEMBLY

Fig 2: Checking Air Suspension Solenoid Assembly
Courtesy of CHRYSLER GROUP, LLC
1. Connect the Air Suspension Solenoid Assembly harness connector.
2. Measure the resistance between (Y13) Pressure Sensor Return circuit and the (Y35) RR Ambient Valve Control circuit at the ASCM C2 harness connector.
  Is the resistance below 30 Ohms?
  
  Yes
  - Replace the Air Suspension Solenoid Assembly in accordance with the Service Information. Refer to VALVE BLOCK, COMPRESSOR ASSEMBLY, REMOVAL .
  - Perform the ASCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Replace the Air Suspension Control Module (ASCM) in accordance with the Service Information. Refer to MODULE, AIR SUSPENSION CONTROL, REMOVAL .
  - Perform the ASCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
INTERMITTENT WIRING AND CONNECTORS
1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors.
3. Look for the data to change or for the DTC to reset during the wiggle test.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the ASCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Test complete, the condition or conditions that originally set this DTC are not present at this time.