Dodge Nitro. Manual — part 269

Fig. 35: Measuring Resistance Of (X206) Right Rear Speaker (+) Circuit Between Radio And
Speaker
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the Radio harness connector.

Disconnect the Rear Right Audio Speaker harness connector.

Measure the resistance of the (X206) Right 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 (X206) Right Rear Speaker (+) circuit for an open condition.

Perform BODY VERIFICATION TEST - VER 1 .

3) (X296) RIGHT REAR SPEAKER (-) CIRCUIT OPEN

Fig. 36: Measuring Resistance Of (X296) Right Rear Speaker (-) Circuit Between Radio And
Speaker
Courtesy of CHRYSLER LLC

Measure the resistance of the (X296) Right 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 (X296) Right Rear Speaker (-) circuit for an open condition.

2007 Dodge Nitro R/T

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

Perform BODY VERIFICATION TEST - VER 1 .

4) SPEAKER

Connect the Radio harness connector.

With the Rear Right 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: B140F-REAR RIGHT AUDIO SPEAKER OUTPUT CIRCUIT OPEN?

Yes

Replace the Rear Right Audio Speaker in accordance with the service information.

Perform BODY VERIFICATION TEST - VER 1 .

No

Test Complete.

B1420-AUDIO CASSETTE ERROR/INOPERABLE CASSETTE

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

Continuously with the ignition on and the Radio Cassette player turned on.

Set Condition:

The code will set when a damaged Cassette is placed in the Cassette Player.

Diagnostic Test

1) RADIO

Replace the problem Cassette with a good, clean, undamaged, cassette.

Turn the Radio cassette player on.

Possible Causes

CASSETTE READ FAILURE

2007 Dodge Nitro R/T

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

With the scan tool, read DTC's.

Does the scan tool display active: B1420-AUDIO CASSETTE ERROR/INOPERABLE
CASSETTE?

Yes

Eject the inoperative cassette and replace the Radio/Cassette Player in accordance with the Service
Information.

Perform BODY VERIFICATION TEST - VER 1 .

No

Test Complete.

B1421-AUDIO CD READ ERROR/INOPERABLE DISC

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

Continuously with the ignition on and the radio CD player turned on.

Set Condition:

The code will set if a CD that is not formatted as a music CD is installed in the radio CD player.

Diagnostic Test

1) RADIO

Replace the problem CD with a good, clean, unscratched, music CD.

Turn the radio CD player on.

With the scan tool, read DTC's.

Does the can tool display: B1421 AUDIO CD READ ERROR/INOPERABLE DISC?

Yes

Eject the inoperative CD and replace the CD in accordance with the service information.

Perform BODY VERIFICATION TEST - VER 1 .

No

Possible Causes

CD READ FAILURE

2007 Dodge Nitro R/T

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