Dodge Nitro. Manual - part 289

Fig. 80: Measuring For Voltage On (X208) Amplified Right Front Speaker (+) Circuit 
Courtesy of CHRYSLER LLC 

Turn the ignition off. 

Disconnect the Amplifier C1 harness connector. 

Disconnect the Amplified Right Front Speaker harness connector. 

Turn the ignition on. 

Measure for voltage on the (X208) Amplified Right Front Speaker (+) circuit. 

Is the voltage above 10.0 volts?  

Yes  

Repair the (X208) Amplified Right Front Speaker (+) circuit for a short to voltage.  

Perform BODY VERIFICATION TEST - VER 1 . 

 

2007 Dodge Nitro R/T 

2007 ACCESSORIES AND EQUIPMENT Audio/Video Systems - Electrical Diagnostics - Nitro

  

No  

Go to 3).  

3) CHECK FOR VOLTAGE ON THE (X298) AMPLIFIED RIGHT FRONT SPEAKER (-) 
CIRCUIT 

Fig. 81: Measuring For Voltage On (X298) Amplified Right Front Speaker (-) Circuit 
Courtesy of CHRYSLER LLC 

Measure for voltage on the (X298) Amplified Right Front Speaker (-) circuit. 

Is the voltage above 10.0 volts?  

Yes  

Repair the (X298) Amplified Right Front Speaker (-) circuit for a short to voltage.  

Perform BODY VERIFICATION TEST - VER 1 .  

No  

 

2007 Dodge Nitro R/T 

2007 ACCESSORIES AND EQUIPMENT Audio/Video Systems - Electrical Diagnostics - Nitro

  

Replace the amplifier in accordance with the service information.  

Perform BODY VERIFICATION TEST - VER 1 .  

B1472-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT OPEN 

 

2007 Dodge Nitro R/T 

2007 ACCESSORIES AND EQUIPMENT Audio/Video Systems - Electrical Diagnostics - Nitro

  

Fig. 82: Channel 4 Audio Speaker Output Circuit Schematic
Courtesy of CHRYSLER LLC 

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article. 

When Monitored:  

Amplifier BUS wake-up. Amplifier reset with scan tool.  

Set Condition:  

The amplifier detects an open condition on the speaker output circuit.  

Diagnostic Test 

1) CHECK FOR AN INTERMITTENT CONDITION 

Turn the ignition on. 

Turn the radio on. 

With the scan tool, erase Amplifier DTCs. 

With the scan tool, reset the amplifier. 

With the scan tool, read Amplifier DTCs. 

Does the scan tool display active: B1472-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT 
OPEN?  

Yes  

Go to 2).  

No  

The condition that caused this symptom is currently not present. Check for an intermittent 
condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken 
wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or 
contaminated terminals. Repair as necessary.  

Perform BODY VERIFICATION TEST - VER 1 .  

2) CHECK THE OPERATION OF THE AMPLIFIED RIGHT FRONT SPEAKER

Possible Causes 

(X208) AMPLIFIED RIGHT FRONT SPEAKER (+) CIRCUIT OPEN
(X298) AMPLIFIED RIGHT FRONT SPEAKER (-) CIRCUIT OPEN
AMPLIFIED RIGHT FRONT SPEAKER
AMPLIFIER

 

2007 Dodge Nitro R/T 

2007 ACCESSORIES AND EQUIPMENT Audio/Video Systems - Electrical Diagnostics - Nitro