Dodge Nitro. Manual - part 303

mode advance functions. 

Refer to the owner's manual for more information on the features, use and operation of each of the available 
audio systems. 

DIAGNOSIS AND TESTING 

AUDIO 

AUDIO SYSTEM 

Any diagnosis of the Audio system should begin with the use of scan tool. For information on the use of 
the scan tool, refer to the appropriate Diagnostic information.  

Refer to the appropriate wiring information.  

AUDIO SYSTEM DIAGNOSIS TABLE 

WARNING:

Disable the airbag system before attempting any steering wheel, steering 
column, seat belt tensioner, side airbag, or instrument panel component 
diagnosis or service. Disconnect and isolate the battery negative (ground) 
cable, then wait two minutes for the airbag system capacitor to discharge 
before performing further diagnosis or service. This is the only sure way 
to disable the airbag system. Failure to take the proper precautions could 
result in accidental airbag deployment and possible personal injury.

CONDITION

POSSIBLE CAUSES

CORRECTION

NO AUDIO

1. Fuse faulty. 

1. Check radio fuse and Ignition-Off Draw 
(IOD) fuse in Totally Integrated Power 
Module (TIPM). Replace fuses, if required. 

-

2. Radio connector faulty. 

2. Check for loose or corroded radio 
connector. Repair, if required. 

-

3. Wiring faulty. 

3. Check for shorted or open wires. Repair 
wiring, if required. 

-

4. Radio ground faulty. 

4. Check for continuity between radio chassis 
and a known good ground. There should be 
continuity. Repair ground, if required. 

-

5. Speakers faulty. 

5. Replace speaker as necessary. 

-

6. Radio faulty. 

6. Refer to appropriate Diagnostic Service 
Information. 

NO RADIO DISPLAY

1. Fuse faulty. 

1. Check radio fuse and Ignition-Off Draw 
(IOD) fuse in Junction Block (JB). Replace 
fuses, if required. 

-

2. Radio connector faulty. 

2. Check for loose or corroded radio 
connector. Repair, if required. 

-

3. Wiring faulty. 

3. Check for battery voltage at radio 

 

2007 Dodge Nitro R/T 

2007 ACCESSORIES AND EQUIPMENT Audio/Video - Service Information - Nitro

  

MANUAL DISC EJECT-NAVIGATION RADIO 

1. Ensure all fuses are installed in the vehicle to operate accessories.  

2. Turn ignition to ACC and power on radio.  

3. Press OPEN/CLOSE button on radio and verify that disc will not eject automatically.  

4. If disc will not eject automatically, use the following combination of buttons to manually eject disc: 



With display open press and hold NAV button on right side.  



Press SEEK UP and SEEK DOWN at the same time on left side.  

5. Remove the disc from the radio.  

AMPLIFIER 

connector. Repair wiring, if required. 

-

4. Radio ground faulty. 

4. Check for continuity between radio chassis 
and a known good ground. There should be 
continuity. Repair ground, if required. 

-

5. Radio faulty. 

5. Refer to appropriate Diagnostic Service 
Information. 

POOR RADIO 
RECEPTION

1. Antenna faulty. 

1. See DIAGNOSIS AND TESTING. 

2. Radio ground faulty. 

2. Check for continuity between radio chassis 
and a known good ground. There should be 
continuity. Repair ground, if required. 

3. Radio noise suppression 
faulty. 

3. Repair or replace ground strap as necessary.

4. Radio faulty. 

4. Refer to appropriate Diagnostic Service 
Information. 

SOUND DISTORTION 
(VIBRATION FROM 
SPEAKER AREA, 
BUZZING - HUMMING)

1. Door trim panel loose or 
missing fasteners. 

1. Inspect door trim panel and correct as 
necessary. Replace any missing fasteners. 

-

2. Water shield loose or 
misaligned. 

2. Inspect water shield and adjust as required. 

-

3. Items placed in door trim 
panel map pockets vibrating 
or moving from side to side. 

3. Remove items from door trim panel. Ensure 
that vibration is no longer present. 

NO COMPACT DISC/DVD 
OPERATION

1. Faulty CD/DVD. 

1. Insert known good CD/DVD and test 
operation. 

2. Foreign material on 
CD/DVD. 

2. Clean CD/DVD and test operation. 

3. Condensation on 
CD/DVD or optics. 

3. Allow temperature of vehicle interior to 
stabilize and test operation. 

4. Faulty CD/DVD player. 

4. Refer to appropriate Diagnostic Service 
Information. 

 

2007 Dodge Nitro R/T 

2007 ACCESSORIES AND EQUIPMENT Audio/Video - Service Information - Nitro

  

REMOVAL 

REMOVAL 

Fig. 1: Removing Amplifier 
Courtesy of CHRYSLER LLC 

1. Disconnect and isolate the battery negative cable.  

2. Remove the rear quarter trim panel. Refer to REMOVAL .  

3. Remove the mounting fasteners.  

4. Disconnect the electrical connectors and remove the amplifier.  

INSTALLATION 

INSTALLATION 

Fig. 2: Installing Amplifier 
Courtesy of CHRYSLER LLC 

 

2007 Dodge Nitro R/T 

2007 ACCESSORIES AND EQUIPMENT Audio/Video - Service Information - Nitro

  

1. Connect the electrical connectors and install the amplifier.  

2. Install the amplifier mounting fasteners.  

3. Install the rear quarter trim panel. Refer to INSTALLATION .  

4. Connect the battery negative cable.  

ANTENNA BODY & CABLE 

DESCRIPTION 

ANTENNA BODY AND CABLE 

DOMESTIC 

All models feature a roof-mounted active mast antenna. This is a combination antenna that receives both 
AM/FM and satellite digital audio. The antenna cables are routed along the left side of the under the headliner, 
down the A-pillar to the instrument panel. For antenna removal. See REMOVAL. For antenna installation . See 
INSTALLATION. 

OPERATION 

ANTENNA BODY AND CABLE 

The antenna body and cable connects the antenna mast to the radio. The radio antenna is an electromagnetic 
circuit component used to capture radio frequency signals that are broadcast by local commercial radio stations 
in both the Amplitude Modulating (AM) and Frequency Modulating (FM) frequency ranges. These 
electromagnetic radio frequency signals induce small electrical modulations into the antenna as they move past 
the mast. The antenna body transfers the weak electromagnetic radio waves induced into the antenna into the 
center conductor of the flexible primary antenna coaxial cable. The braided outer shield of the antenna coaxial 
cable is grounded through both the antenna body and the radio chassis, effectively shielding the radio waves as 
they are conducted to the radio. The radio then tunes and amplifies the weak radio signals into stronger 
electrical signals in order to operate the audio system speakers. 

DIAGNOSIS AND TESTING 

ANTENNA BODY AND CABLE 

 

2007 Dodge Nitro R/T 

2007 ACCESSORIES AND EQUIPMENT Audio/Video - Service Information - Nitro