Dodge Nitro. Manual — part 288
Go to 3).
3) CHECK THE (X298) AMPLIFIED RIGHT FRONT SPEAKER (-) CIRCUIT FOR A SHORT
TO GROUND
Fig. 77: Measuring Resistance Between Ground And (X298) Amplified Right Front Speaker (-)
Circuit
Courtesy of CHRYSLER LLC
Measure the resistance between ground and the (X298) Amplified Right Front Speaker (-) circuit.
Is the resistance below 10K ohms?
Yes
Repair the (X298) Amplified Right 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 RIGHT FRONT SPEAKER
Fig. 78: Measuring Resistance Of Speaker Circuit Between Amplifier C1 Harness Connector And
Ground
Courtesy of CHRYSLER LLC
Reconnect and reinstall the Right 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 Right 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 .
B1471-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT HIGH
2007 Dodge Nitro R/T
2007 ACCESSORIES AND EQUIPMENT Audio/Video Systems - Electrical Diagnostics - Nitro
Fig. 79: Channel 4 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
With the ignition on.
Set Condition:
The amplifier detects a short to battery condition on the 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: B1471-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT
HIGH?
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 FOR VOLTAGE ON THE (X208) AMPLIFIED RIGHT FRONT SPEAKER (+)
CIRCUIT
Possible Causes
(X208) AMPLIFIED RIGHT FRONT SPEAKER (+) CIRCUIT SHORT TO VOLTAGE
(X298) AMPLIFIED RIGHT FRONT SPEAKER (-) CIRCUIT SHORT TO VOLTAGE
AMPLIFIER
2007 Dodge Nitro R/T
2007 ACCESSORIES AND EQUIPMENT Audio/Video Systems - Electrical Diagnostics - Nitro
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