Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 823
B1412-HFM LEFT AUDIO OUTPUT CIRCUIT HIGH
For a complete wiring diagram Refer to Section 8W.
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NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS
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•
When Monitored:
With the ignition on.
•
Set Condition:
The Hands Free Module detects high voltage on the (X703) Left Audio Output circuit.
Possible Causes
(X703) LEFT AUDIO OUTPUT CIRCUIT OPEN
(X795) COMMON AUDIO OUTPUT CIRCUIT OPEN
(X703) LEFT AUDIO OUTPUT CIRCUIT SHORT TO VOLTAGE
HANDS FREE MODULE
Diagnostic Test
1.
CHECK FOR ACTIVE DTC
With the scan tool, read the active DTC’s.
Cycle the ignition switch from off to on at least 5 times, leaving the ignition on for a minimum of 90 seconds per
cycle.
With the scan tool, read the active DTC’s.
Does the scan tool display this DTC as active?
Yes
>> Go To 2
No
>> If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness con-
nectors. Look for broken, bent, pushed out, or corroded terminals.
2.
(X703) LEFT AUDIO OUTPUT CIRCUIT OPEN
Turn the ignition off.
Disconnect the Hands Free Module harness connector.
Disconnect the Radio C1 harness connector.
Measure the resistance of the (X703) Left Audio Output circuit between
the HFM connector and the radio connector.
Is the resistance below 5.0 ohms?
Yes
>> Go To 3
No
>> Repair the (X703) Left Audio Output circuit for an open
Perform BODY VERIFICATION TEST – VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
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NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS
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3.
(X795) COMMON AUDIO OUTPUT CIRCUIT OPEN
Measure the resistance of the (X795) Common Audio Output circuit
between the HFM connector and the radio connector.
Is the resistance below 5.0 ohms?
Yes
>> Go To 4
No
>> Repair the (X795) Common Audio Output circuit for an
open.
Perform BODY VERIFICATION TEST – VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
4.
(X703) LEFT AUDIO OUTPUT CIRCUIT SHORT TO VOLTAGE
Turn the ignition on.
Measure the voltage of the (X703) Left Audio Output circuit.
Is the voltage above 1.0 volts?
Yes
>> Repair the (X703) Left Audio Output circuit for a short to
voltage.
Perform BODY VERIFICATION TEST – VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
No
>> Inspect the wiring and connectors for damage or shorted
circuits. If ok, replace and program the Hands Free Module
in accordance with the service information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
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NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS
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B1415-HFM RIGHT AUDIO OUTPUT CIRCUIT LOW
For a complete wiring diagram Refer to Section 8W.
LX
NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS
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