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B1471-CHANNEL 4 AUDIO SPEAKER OUTPUT CIRCUIT HIGH (CONTINUED) For the Amplifier circuit diagram (Refer to 8 - ELECTRICAL/AUDIO - SCHEMATICS AND DIAGRAMS). For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: 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 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 Yes >> Go To 2 No >> The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic 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 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 8A - 108 AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS WK |