B1462

B1462-CHANNEL 1 AUDIO SPEAKER OUTPUT CIRCUIT HIGH







- When Monitored:
With the ignition on.

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





1. CHECK FOR AN INTERMITTENT CONDITION
1. Turn the ignition on, then off, and then on again.
2. With the scan tool, read Amplifier DTCs.

Does the scan tool display active: B1462-CHANNEL 1 AUDIO SPEAKER OUTPUT CIRCUIT HIGH?

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 the BODY VERIFICATION TEST. Body Verification Test.

2. CHECK FOR VOLTAGE ON THE (X300) AMPLIFIED SUBWOOFER 1 (+) CIRCUIT




1. Turn the ignition off.
2. Disconnect the Amplifier C2 harness connector.
3. Disconnect the Amplified Subwoofer Speaker harness connector.
4. Turn the ignition on.
5. Measure for voltage on the (X300) Amplified Subwoofer 1 (+) circuit.

Is the voltage above 10.0 volts?

Yes

- Repair the (X300) Amplified Subwoofer 1 (+) circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 3

3. CHECK FOR VOLTAGE ON THE (X390) AMPLIFIED SUBWOOFER 1 (-) CIRCUIT




1. Measure for voltage on the (X390) Amplified Subwoofer 1 (-) circuit.

Is the voltage above 10.0 volts?

Yes

- Repair the (X390) Amplified Subwoofer 1 (-) circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Replace the Amplifier.
- Perform the BODY VERIFICATION TEST. Body Verification Test.