Dodge Nitro. Manual - part 278

With the ignition on.  

Set Condition:  

The amplifier detects a shorted to ground condition on the speaker output circuit.  

Diagnostic Test 

1) CHECK FOR AN INTERMITTENT CONDITION 

Turn the ignition on, then off, and then on again. 

With the scan tool, read Amplifier DTCs. 

Does the scan tool display active: B1466-CHANNEL 2 AUDIO SPEAKER OUTPUT CIRCUIT 
LOW?  

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 (X202) AMPLIFIED RIGHT FRONT I/P SPEAKER (+) CIRCUIT FOR A 
SHORT TO GROUND 

Possible Causes 

(X202) AMPLIFIED RIGHT FRONT I/P SPEAKER (+) CIRCUIT SHORTED TO GROUND
(X292) AMPLIFIED RIGHT FRONT I/P SPEAKER (-) CIRCUIT SHORTED TO GROUND
RIGHT FRONT I/P SPEAKER
AMPLIFIER

 

2007 Dodge Nitro R/T 

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

  

Fig. 51: Measuring Resistance Between Ground And (X202) Amplified Right Front I/P Speaker (+) 
Circuit 
Courtesy of CHRYSLER LLC 

Turn the ignition off. 

Disconnect the Amplifier C2 harness connector. 

Disconnect the Right Front I/P Speaker harness connector. 

Measure the resistance between ground and the (X202) Amplified Right Front I/P Speaker (+) circuit. 

Is the resistance below 10K ohms?  

Yes  

Repair the (X202) Amplified Right Front I/P Speaker (+) circuit for a short to ground.  

Perform BODY VERIFICATION TEST - VER 1 .  

No  

 

2007 Dodge Nitro R/T 

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

  

Go to 3).  

3) CHECK THE (X292) AMPLIFIED RIGHT FRONT I/P SPEAKER (-) CIRCUIT FOR A 
SHORT TO GROUND 

Fig. 52: Measuring Resistance Between Ground And (X292) Amplified Right Front I/P Speaker (-) 
Circuit 
Courtesy of CHRYSLER LLC 

Measure the resistance between ground and the (X292) Amplified Right Front I/P Speaker (-) circuit. 

Is the resistance below 10K ohms?  

Yes  

Repair the (X292) Amplified Right Front I/P Speaker (-) for a short to ground.  

Perform BODY VERIFICATION TEST - VER 1 .  

No  

 

2007 Dodge Nitro R/T 

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

  

Go to 4).  

4) CHECK OPERATION OF THE AMPLIFIED RIGHT FRONT I/P SPEAKER 

Fig. 53: Measuring Resistance Of Speaker Circuit Between Amplifier C2 Harness Connector And 
Ground 
Courtesy of CHRYSLER LLC 

Reconnect and reinstall the Right Front I/P Speaker. 

Measure the resistance of the speaker circuit between the Amplifier C2 harness connector and ground. 

Is the resistance below 10K ohms?  

Yes  

Replace the Right Front I/P Speaker in accordance with the service information.  

Perform BODY VERIFICATION TEST - VER 1 .  

No  

Replace the amplifier in accordance with the service information.  

Perform BODY VERIFICATION TEST - VER 1 .  

B1467-CHANNEL 2 AUDIO SPEAKER OUTPUT CIRCUIT HIGH 

 

2007 Dodge Nitro R/T 

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