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B1488–CABIN EQ MISMATCH PERFORMANCE 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 NO COMMUNICATION WITH FRONT CONTROL MODULE ACTIVE FCM DTCs AMPLIFIER Diagnostic Test 1. CHECK FOR AN INTERMITTENT CONDITION Turn the ignition on. Turn the radio on. With the scan tool, erase Amplifier DTCs. With the scan tool, reset the amplifier. With the scan tool, read Amplifier DTCs. Does the scan tool display active: B1488–CABIN EQ MISMATCH 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 AMPLIFIER BUSSED INPUTS/OUTPUTS With the scan tool in Amplifier Data Display, read the Cabin EQ# settings in the Bussed Inputs and Bussed Outputs NOTE: The Cabin EQ# settings in the Inputs/Outputs section should match one another. The Cabin EQ# in • • $51: HB Premium 1 (w/o Subwoofer) • • $52: HB Premium 2 (with Subwoofer) Do the Cabin EQ# settings match one another? Yes >> Replace the Amplifier in accordance to the service information. Perform the BODY VERIFICATION TEST-VER 1. No >> Go To 3 8A - 62 AUDIO/VIDEO SYSTEMS - ELECTRICAL DIAGNOSIS ND |