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
- Turn the ignition on and open one of the front doors.NOTE:
A front door must remain open whenever checking or erasing Amplifier DTC's.
- Turn the radio on.
- With the scan tool, erase Amplifier DTC's.
- With the scan tool, reset the amplifier.
- With the scan tool, read Amplifier DTC's.
Does the scan tool display active: B1488-CABIN EQ MISMATCH PERFORMANCE?
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 .
- Turn the ignition on and open one of the front doors.
- CHECK AMPLIFIER BUSSED INPUTS/SENSORS
- With the scan tool in Amplifier Data Display, read the Cabin Equalization Curve number in the Bussed Inputs and Sensors Sections.NOTE:
The Cabin EQ Curve settings in the Inputs/Sensors section should match one another. The Cabin EQ# in the Inputs section is the information that is received from the TIPM. The Cabin EQ in the Sensors section is the information that is Stored in the Amplifier's memory.
Do the Cabin EQ settings match one another?
Yes
- Replace the Amplifier in accordance to the service information.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Go To 3.
- With the scan tool in Amplifier Data Display, read the Cabin Equalization Curve number in the Bussed Inputs and Sensors Sections.
- VERIFY COMMUNICATION WITH TIPM
- With the scan tool, read the active modules on the BUS.
Does the scan tool show the TIPM active on the BUS?
Yes
- Go To 4.
No
- Refer to COMMUNICATION - DIAGNOSIS AND TESTING and perform the No Response From TIPM (Totally Integrated Power Module) diagnostic procedure.
- With the scan tool, read the active modules on the BUS.
- CHECK TIPM FOR ACTIVE DTC's
- With the scan tool, erase TIPM DTC's.
- Turn the ignition off. Wait approximately 10 seconds.
- Turn the ignition on.
- With the scan tool, read TIPM DTC's.
Are any active DTC's present?
Yes
- Refer to TIPM - DIAGNOSIS AND TESTING and perform the appropriate diagnostic procedure.
No
- Replace the Totally Integrated Power Module (TIPM) in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .