Operation CHARM: Car repair manuals for everyone.

B14C0






B14C0 - Channel 10 Audio Speaker Output Circuit High

For a complete wiring diagram, refer to.

When Monitored: With the ignition on.

Set Condition: The amplifier detects a short to battery condition on the output circuit.






Test Step 1 - Check for an Intermittent Condition

Turn the ignition ON, then OFF, and then ON again.

With the scan tool, check for a amplifier DTCs.

Does the scan tool display B14C0 - Channel 10 Audio Speaker Output Circuit High?

Yes

Go to Test Step 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 the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

Test Step 2 - Check for Voltage on the Center I/P Speaker (+) Circuit

Turn the ignition OFF.

Disconnect the amplifier C1 harness connector.

Disconnect the speaker harness connector.

Turn the ignition ON.

Measure for voltage on the speaker (+) circuit.

Is the voltage more than 10.0 volts?

Yes

Repair the speaker (+) circuit for a short to voltage.

Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

No

Go to Test Step 3.

Test Step 3 - Check for Voltage on the Center I/P Speaker (-) Circuit

Measure for voltage on the speaker (-) circuit.

Is the voltage more than 10.0 volts?

Yes

Repair the speaker (-) circuit for a short to voltage.

Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior
No

Replace the amplifier.

Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior