Diagnostic Test

WARNING: This page is about a different car, the 2012 RAM Pickup and 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN INTERMITTENT CONDITION
NOTE:
This vehicle has a Front I/P Speaker wired in parallel with the Front Door Speaker.
1. Turn the ignition on and open one of the front doors.
  NOTE:
  A front door must remain open whenever checking or erasing Radio DTC's.
2. Using the scan tool, record and erase the Radio DTC's.
3. Turn the Radio on.
4. Adjust the speakers to the front and center.
5. Using the scan tool, read the active Radio DTC's.
  Does the scan tool read: B1402-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT HIGH?
  
  Yes
  - Go To 2.
  No
  - Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK FOR VOLTAGE ON THE (X201) LEFT FRONT SPEAKER (+) CIRCUIT

Fig 1: Measuring Voltage Between Ground & Left Front Speaker (+) Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the Radio C1 harness connector.
3. Disconnect the Left Front Door Speaker harness connector.
4. Disconnect the Left Front I/P Speaker harness connector.
5. Turn the ignition on.
6. Measure the voltage between ground and the (X201) Left Front Speaker (+) circuit.
  Is there any voltage present?
  
  Yes
  - Repair the (X201) Left Front Speaker (+) CIRCUIT FOR A SHORT TO VOLTAGE.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 3.
CHECK FOR VOLTAGE ON THE (X291) LEFT FRONT SPEAKER (-) CIRCUIT

Fig 2: Measuring Voltage Between Ground & Left Front Speaker (-) Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Measure the voltage between ground and the (X291) Left Front Speaker (-) circuit.
  Is there any voltage present?
  
  Yes
  - Repair the (X291) Left Front Speaker (-) CIRCUIT FOR A SHORT TO VOLTAGE.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Radio in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .