Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 824

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When Monitored:
With the ignition on.

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Set Condition:
The Hands Free Module detects low voltage on the (X704) Right Audio Output circuit.

Possible Causes

(X704) RIGHT AUDIO OUTPUT CIRCUIT OPEN

(X704) RIGHT AUDIO OUTPUT CIRCUIT SHORT TO GROUND

(X795) COMMON AUDIO OUTPUT CIRCUIT OPEN

(X704) RIGHT AUDIO OUTPUT CIRCUIT SHORT TO (X795) COMMON AUDIO OUTPUT CIRCUIT

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.

(X704) RIGHT 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 (X704) Right 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 (X704) Right Audio Output circuit for an open.

Perform BODY VERIFICATION TEST – VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).

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3.

(X704) RIGHT AUDIO OUTPUT CIRCUIT SHORT TO GROUND

Measure the resistance between ground and the (X704) Right Audio
Output circuit.

Is the resistance below 5.0 ohms?

Yes

>> Repair the (X704) Right Audio Output circuit for short to

ground.

Perform BODY VERIFICATION TEST – VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).

No

>> Go To 4

4.

(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 5

No

>> Repair the (X795) Common Audio Output circuit for an

open.

Perform BODY VERIFICATION TEST – VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).

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5.

(X704) RIGHT AUDIO OUTPUT CIRCUIT SHORT TO (X795) COMMON AUDIO OUTPUT CIRCUIT

Measure the resistance between the (X704) Right Audio Output circuit
and the (X795) Common Audio Output circuit.

Is the resistance below 5.0 ohms?

Yes

>> Repair the (X704) Right Audio Output circuit for a short to

the (X795) Common Audio Output circuit.

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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B1416-HFM RIGHT AUDIO OUTPUT CIRCUIT HIGH

For a complete wiring diagram Refer to Section 8W.

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