Dodge Nitro. Manual — part 273

diagram/schematic as a guide, inspect the wiring and connectors.

Perform BODY VERIFICATION TEST - VER 1 .

B1461-CHANNEL 1 AUDIO SPEAKER OUTPUT CIRCUIT LOW

Fig. 37: Channel 1 Audio Speaker Output Circuit Schematic

2007 Dodge Nitro R/T

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

Courtesy of CHRYSLER LLC

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

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: B1461-CHANNEL 1 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 (X201) AMPLIFIED LEFT FRONT I/P SPEAKER (+) CIRCUIT FOR A SHORT
TO GROUND

Possible Causes

(X201) AMPLIFIED LEFT FRONT I/P SPEAKER (+) CIRCUIT SHORTED TO GROUND
(X291) AMPLIFIED LEFT FRONT I/P SPEAKER (-) CIRCUIT SHORTED TO GROUND
LEFT FRONT I/P SPEAKER
AMPLIFIER

2007 Dodge Nitro R/T

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

Fig. 38: Measuring Resistance Between Ground And (X201) Amplified Left Front I/P Speaker (+)
Circuit
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the Amplifier C2 harness connector.

Disconnect the Left I/P Speaker harness connector.

Measure the resistance between ground and the (X201) Amplified Left Front I/P Speaker (+) circuit.

Is the resistance below 10K ohms?

Yes

Repair the (X201) Amplified Left 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 (X291) AMPLIFIED LEFT FRONT I/P SPEAKER (-) CIRCUIT FOR A SHORT
TO GROUND

Fig. 39: Measuring Resistance Between Ground And (X291) Amplified Left Front I/P Speaker (-)
Circuit
Courtesy of CHRYSLER LLC

Measure the resistance between ground and the (X291) Amplified Left Front I/P Speaker (-) circuit.

Is the resistance below 10K ohms?

Yes

Repair the (X291) Amplified Left 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