Dodge Nitro. Manual — part 256

With the radio on.

Set Condition:

When the output circuit is LOW for more than three seconds.

Diagnostic Test

1) INTERMITTENT CONDITION

Turn the ignition on.

With the scan tool, clear all Radio DTC's.

Turn the Radio on.

With the scan tool, read the DTC information.

Does the scan tool read: B1401-FRONT LEFT 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) (X201) LEFT FRONT SPEAKERS (+) CIRCUIT SHORTED TO GROUND

Possible Causes

(X201) LEFT FRONT SPEAKERS (+) CIRCUIT SHORTED TO GROUND
(X291) LEFT FRONT SPEAKERS (-) CIRCUIT SHORTED TO GROUND
SPEAKER

2007 Dodge Nitro R/T

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

Fig. 2: Measuring Resistance Between Ground And (X201) Left Front Speakers (+) Circuit
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the Radio harness connector.

Disconnect the Front Left Audio Speaker harness connector.

Measure the resistance between ground and the (X201) Left Front Speakers (+) circuit.

Is the resistance below 1000.0 ohms?

Yes

Repair the (X201) Left Front Speakers (+) circuit for a short to ground condition.

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) (X291) LEFT FRONT SPEAKERS (-) CIRCUIT SHORTED TO GROUND

Fig. 3: Measuring Resistance Between Ground And (X291) Left Front Speakers (-) Circuit
Courtesy of CHRYSLER LLC

Measure the resistance between ground and the (X291) Left Front Speakers (-) circuit.

Is the resistance below 1000.0 ohms?

Yes

Repair the (X291) Left Front Speakers (-) circuit for a short to ground condition.

Perform BODY VERIFICATION TEST - VER 1 .

No

Go to 4).

4) SPEAKER

2007 Dodge Nitro R/T

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

Connect the Radio harness connector.

With the Front Left Audio Speaker still disconnected, turn the ignition on.

Turn the Radio on.

With the scan tool, clear all Radio DTC's.

With the scan tool, read the DTC information.

Does the scan tool read: B1401-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT LOW?

Yes

Replace the Front Left Audio Speaker in accordance with the service information.

Perform BODY VERIFICATION TEST - VER 1 .

No

Test Complete.

B1402-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT HIGH

2007 Dodge Nitro R/T

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