Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSJEEP2009COMPASS LIMITED, ED3, AWD, AUTOMATIC CVTREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESAUDIO SYSTEM (AMPLIFIER) - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGB1481-CHANNEL 7 AUDIO SPEAKER OUTPUT CIRCUIT OPENDIAGNOSTIC TEST

2009 Jeep Compass Limited, ED3, AWD, Automatic CVT

Diagnostic Test

2009 Jeep Compass Limited, ED3, AWD, Automatic CVTSECTION Diagnostic Test

CHECK FOR AN INTERMITTENT CONDITION
1. Turn the ignition on and open one of the front doors.
  NOTE: A front door must remain open whenever checking or erasing Amplifier DTCs.
2. Using the scan tool, record and erase the Amplifier DTCs.
3. Cycle the ignition switch from on to off, wait five seconds and then back to on.
4. Turn the Radio on and set the volume to 25.
5. Adjust the speakers to the rear and center.
6. Using the scan tool, read the active Amplifier DTCs.
  Does the scan tool display: B1481-CHANNEL 7 AUDIO SPEAKER OUTPUT CIRCUIT OPEN?
  
  Yes
  - Go to step 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 DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
CHECK THE OPERATION OF THE AMPLIFIED LIFTGATE SPEAKER

Fig 1: Checking Operation Of Amplified Liftgate Speaker
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Amplified Liftgate Speaker harness connector.
3. Turn the ignition on.
4. Turn the radio on and turn the volume to mid level.
5. With a voltmeter set to read in A/C voltage, measure the voltage of the Amplified Liftgate Speaker 1 circuits in the Amplified Liftgate Speaker harness connector.
  Is the voltage above 1 volt?
  
  Yes
  - Replace the Amplified Liftgate Speaker in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 3
CHECK THE (X214) AMPLIFIED LIFTGATE SPEAKER 1 (+) CIRCUIT FOR AN OPEN

Fig 2: Checking Amplified Liftgate Speaker 1 (+) Circuit
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Amplifier C2 harness connector.
3. Measure the resistance of the (X214) Amplified Liftgate Speaker 1 (+) circuit between the Amplifier C2 harness connector and the Amplified Liftgate Speaker harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Go to step 4
  No
  - Repair the (X214) Amplified Liftgate Speaker 1 (+) circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
CHECK THE (X284) AMPLIFIED LIFTGATE SPEAKER 1 (-) CIRCUIT FOR AN OPEN

Fig 3: Checking Amplified Liftgate Speaker 1 (-) Circuit
Courtesy of CHRYSLER LLC
1. Measure the resistance of the (X284) Amplified Liftgate Speaker 1 (-) circuit between the Amplifier C2 harness connector and the Amplified Liftgate Speaker harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Replace the Amplifier in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Repair the (X284) Amplified Liftgate Speaker 1 (-) circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.