Dodge Nitro. Manual — part 283

Fig. 63: Measuring Resistance Between Ground And (X209) Amplified Left Front Speaker (+)
Circuit
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the Amplifier C1 harness connector.

Disconnect the Left Front Speaker harness connector.

Measure the resistance between ground and the (X209) Amplified Left Front Speaker (+) circuit.

Is the resistance below 10K ohms?

Yes

Repair the (X209) Amplified Left Front 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 (X299) AMPLIFIED LEFT FRONT SPEAKER (-) CIRCUIT FOR A SHORT TO
GROUND

Fig. 64: Measuring Resistance Between Ground And (X299) Amplified Left Front Speaker (-)
Circuit
Courtesy of CHRYSLER LLC

Measure the resistance between ground and the (X299) Amplified Left Front Speaker (-) circuit.

Is the resistance below 10K ohms?

Yes

Repair the (X299) Amplified Left Front 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

Go to 4).

4) CHECK OPERATION OF THE AMPLIFIED LEFT FRONT SPEAKER

Fig. 65: Measuring Resistance Of Speaker Circuit Between Amplifier C1 Harness Connector And
Ground
Courtesy of CHRYSLER LLC

Reconnect and reinstall the Left Front Speaker.

Measure the resistance of the speaker circuit between the Amplifier C1 harness connector and ground.

Is the resistance below 10K ohms?

Yes

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

Perform BODY VERIFICATION TEST - VER 1 .

No

Replace the amplifier in accordance with the service information.

Perform BODY VERIFICATION TEST - VER 1 .

B146C-CHANNEL 3 AUDIO SPEAKER OUTPUT CIRCUIT HIGH

2007 Dodge Nitro R/T

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

Fig. 66: Channel 3 Audio Speaker Output Circuit Schematic
Courtesy of CHRYSLER LLC

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

2007 Dodge Nitro R/T

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