Dodge Nitro. Manual — part 275

No

Go to 3).

3) CHECK FOR VOLTAGE ON THE (X291) AMPLIFIED LEFT I/P SPEAKER (-) CIRCUIT

Fig. 43: Measuring For Voltage On (X291) Amplified Left I/P Speaker (-) Circuit
Courtesy of CHRYSLER LLC

Measure for voltage on the (X291) Amplified Left I/P Speaker (-) circuit.

Is the voltage above 10.0 volts?

Yes

Repair the (X291) Amplified Left I/P 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 .

B1463-CHANNEL 1 AUDIO SPEAKER OUTPUT CIRCUIT OPEN

2007 Dodge Nitro R/T

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

Fig. 44: Channel 1 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: B1463-CHANNEL 1 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 LEFT FRONT I/P SPEAKER

Possible Causes

(X201) AMPLIFIED LEFT I/P SPEAKER (+) CIRCUIT OPEN
(X291) AMPLIFIED LEFT I/P SPEAKER (-) CIRCUIT OPEN
LEFT FRONT I/P SPEAKER
AMPLIFIER

2007 Dodge Nitro R/T

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

Fig. 45: Measuring Voltage Of Amplified Left I/P Speaker Circuits In Amplified Left I/P Speaker
Harness Connector
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the Left I/P Speaker harness connector.

Turn the ignition on.

Turn the radio on and turn the volume to mid level.

With a voltmeter set to read in A/C voltage, measure the voltage of the Amplified Left I/P Speaker
circuits in the Amplified Left I/P Speaker harness connector.

Is the voltage present greater than 1 volt?

Yes

Replace the Amplified Left I/P Speaker in accordance with the service information.

Perform BODY VERIFICATION TEST - VER 1 .

No

Go to 3).

3) CHECK THE (X201) AMPLIFIED LEFT I/P SPEAKER (+) CIRCUIT FOR AN OPEN

2007 Dodge Nitro R/T

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