2007 Compass Patriot MK Factory Service Manual 8 - ELECTRICAL

B1468-CHANNEL 2 AUDIO SPEAKER OUTPUT CIRCUIT OPEN

For a complete wiring diagram Refer to Section 8W.

When Monitored:
Amplifier BUS wake-up. Amplifier reset with scan tool.
Set Condition:
The amplifier detects an open condition on the speaker output circuit.

Possible Causes

(X208) AMPLIFIED RIGHT I/P SPEAKER (+) CIRCUIT OPEN

(X298) AMPLIFIED RIGHT I/P SPEAKER (-) CIRCUIT OPEN

RIGHT I/P SPEAKER

Diagnostic Test

1. CHECK FOR AN INTERMITTENT CONDITION

Turn the ignition on.
Turn the radio on.
With the scan tool, erase Amplifier DTCs.
With the scan tool, reset the amplifier.
With the scan tool, read Amplifier DTCs.

Does the scan tool display active: B1468-CHANNEL 2 AUDIO SPEAKER OUTPUT CIRCUIT OPEN?

Yes

Go To 2

No

The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST VER-1.

2. CHECK THE OPERATION OF THE RIGHT FRONT I/P SPEAKER

Disconnect the Right I/P Speaker harness connector.
Turn the radio on and turn the volume to mid level.
With a voltmeter set to read in A/C voltage, measure the voltage of the Amplified Right I/P Speaker circuits in the Amplified Right I/P Speaker harness connector.

Is the voltage present greater than 1 volt?

Yes

Replace the Amplified Right I/P Speaker in accordance with the service information.
Perform BODY VERIFICATION TEST VER-1.

No

Go To 3

3. CHECK THE (X208) AMPLIFIED RIGHT I/P SPEAKER (+) CIRCUIT FOR AN OPEN

Turn the ignition off.
Disconnect the Amplifier C1 harness connector.
Measure the resistance of the (X208) Amplified Right I/P Speaker (+) circuit between the Amplifier C2 harness connector and the Amplified Right I/P Speaker harness connector.

Is the resistance below 5.0 ohms?

Yes

Go To 4

No

Repair the (X208) Amplified Right I/P Speaker (+) circuit for an open.
Perform BODY VERIFICATION TEST VER-1.

4. CHECK THE (X298) AMPLIFIED RIGHT I/P SPEAKER (-) CIRCUIT FOR AN OPEN

Turn the ignition off.
Disconnect the Amplifier C1 harness connector.
Measure the resistance of the (X298) Amplified Right I/P Speaker (-) circuit between the Amplifier C1 harness connector and the Amplified Right I/P Speaker harness connector.

Is the resistance below 5.0 ohms?

Yes

Replace the amplifier in accordance with the service information.
Perform BODY VERIFICATION TEST VER-1.

No

Repair the (X298) Amplified Right I/P Speaker (-) circuit for an open.
Perform BODY VERIFICATION TEST VER-1.