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• When Monitored: • With the ignition on. • Set Condition: • The amplifier detects a short to battery condition on the output circuit. Possible Causes (X154) AMPLIFIED RIGHT FRONT DOOR SPEAKER (+) CIRCUIT SHORT TO VOLTAGE (X156) AMPLIFIED RIGHT FRONT DOOR SPEAKER (-) CIRCUIT SHORT TO VOLTAGE AMPLIFIER Diagnostic Test 1. CHECK FOR AN INTERMITTENT CONDITION Turn 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/sche- matic as a guide, inspect the wiring and connectors. Perform BODY VERIFICATION TEST VER-1. 2. CHECK FOR VOLTAGE ON THE (X154) AMPLIFIED RIGHT FRONT DOOR SPEAKER (+) CIRCUIT Turn the ignition off. Disconnect the Amplifier C2 harness connector. Disconnect the Amplified Right Front Door Speaker harness connector. Turn the ignition on. Measure for voltage on the (X154) Amplified Right Front Door Speaker Is the voltage above 10.0 volts? Yes >> Repair the (X154) Amplified Right Front Door Speaker (+) circuit for a short to voltage. Perform BODY VERIFICATION TEST VER-1. No >> Go To 3 PM AUDIO/VIDEO SYSTEMS- ELECTRICAL DIAGNOSIS 8A - 81 |