B1471-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT HIGH
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
- With the ignition on.
- Set Condition:
- The Amplifier detects a short to battery condition on the output circuit.
| Possible Causes |
| (X202) AMPLIFIED RIGHT FRONT DOOR SPEAKER (+) CIRCUIT SHORT TO VOLTAGE |
| (X292) AMPLIFIED RIGHT
FRONT DOOR SPEAKER (-) CIRCUIT SHORT TO VOLTAGE |
| AMPLIFIER |
Diagnostic Test
1. CHECK FOR AN INTERMITTENT CONDITIONTurn the ignition on, then off, and then on again.
With the scan tool, read Amplifier DTCs.
Does the scan tool display active: B1471-CHANNEL 4 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 BODY VERIFICATION TEST VER-1.
2. CHECK FOR VOLTAGE ON THE (X202) AMPLIFIED RIGHT FRONT DOOR SPEAKER (+) CIRCUIT
Turn the ignition off.
Disconnect the Amplifier C1 harness connector.
Disconnect the Amplified Right Front Door Speaker harness connector.
Turn the ignition on.
Measure for voltage on the (X202) Amplified Right Front Door Speaker (+) circuit.
Is the voltage above 10.0 volts?
Yes
- Repair the (X202) Amplified Right Front Door Speaker (+) circuit for a short to voltage.
- Perform BODY VERIFICATION TEST VER-1.
No
- Go To 3
3. CHECK FOR VOLTAGE ON THE (X292) AMPLIFIED RIGHT FRONT DOOR SPEAKER (-) CIRCUIT
Measure for voltage on the (X292) Amplified Right Front Door Speaker (-) circuit.
Is the voltage above 10.0 volts?
Yes
- Repair the (X292) Amplified Right Front Door Speaker (-) circuit for a short to voltage.
- Perform BODY VERIFICATION TEST VER-1.
No
- Replace the Amplifier in accordance with the service information.
- Perform BODY VERIFICATION TEST VER-1.