B1402
B1402-FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT HIGHB1402 - Front Left Audio Speaker Output Circuit High:
WHEN MONITORED
SET MONITORED
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.