B1402

B1402-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT HIGH






WHEN MONITORED

SET CONDITION

POSSIBLE CAUSES
- Speaker
- (X53) Speaker Output Circuit (+)
- (X55) Speaker Output Circuit (-)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.

DIAGNOSTIC TEST




1. INTERMITTENT CONDITION
Turn the ignition on, then off, and then on again.
With the scan tool, read Radio DTCs.

Q: Does the scan tool display active: B1402-FRONT LEFT 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. Body Verification Test




2. CHECK FOR VOLTAGE ON THE (X53) SPEAKER (+) CIRCUIT
Turn the ignition off.
Disconnect the Radio C1 harness connector.
Disconnect the Left Front Speaker harness connector.
Measure for voltage on the (X53) Speaker (+) circuit.

Q: Is the voltage above 10.0 volts?

YES: Repair the (X53) Speaker (+) circuit for a short to voltage. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Go To 3




3. CHECK FOR VOLTAGE ON THE (X55) SPEAKER (-) CIRCUIT
Measure for voltage on the (X55) Speaker (-) circuit.

Q: Is the voltage above 10.0 volts?

YES: Repair the (X55) Speaker (-) circuit for a short to voltage. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Replace the Radio. Perform BODY VERIFICATION TEST VER-1.