Dodge Nitro. Manual — part 265

Replace the Radio in accordance with the service information.

Perform BODY VERIFICATION TEST - VER 1 .

B140B-REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN

2007 Dodge Nitro R/T

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

Fig. 25: Rear Left Audio Speaker Output Circuit Schematic
Courtesy of CHRYSLER LLC

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

With the radio on.

Set Condition:

When the output circuit is open for more than three seconds. The radio will not set the fault if the radio
confirms an amplifier is on the BUS.

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: B140B-REAR LEFT 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) (X205) LEFT REAR SPEAKER (+) CIRCUIT OPEN

Possible Causes

(X205) LEFT REAR SPEAKER (+) CIRCUIT OPEN
(X295) LEFT REAR SPEAKER (-) CIRCUIT OPEN
SPEAKER

2007 Dodge Nitro R/T

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

Fig. 26: Measuring Resistance Of (X205) Left Rear Speaker (+) Circuit Between Radio And
Speaker
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the Radio harness connector.

Disconnect the Rear Left Audio Speaker harness connector.

Measure the resistance of the (X205) Left Rear Speaker (+) circuit between the Radio and the Speaker.

Is the resistance below 5.0 ohms for each circuit?

Yes

Go to 3).

No

2007 Dodge Nitro R/T

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

Repair the (X205) Left Rear Speaker (+) circuit for an open condition.

Perform BODY VERIFICATION TEST - VER 1 .

3) (X295) LEFT REAR SPEAKER (-) CIRCUIT OPEN

Fig. 27: Measuring Resistance Of (X295) Left Rear Speaker (-) Circuit Between Radio And
Speaker
Courtesy of CHRYSLER LLC

Measure the resistance of the (X295) Left Rear Speaker (-) circuit between the Radio and the Speaker.

Is the resistance below 5.0 ohms for each circuit?

Yes

Go to 4).

No

Repair the (X295) Left Rear Speaker (-) circuit for an open condition.

2007 Dodge Nitro R/T

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