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Auto Level Control (ALC) Function Is Inoperative: Notes

ALC FUNCTION IS INOPERATIVE DETECTION CONDITION AND POSSIBLE CAUSE

Description  Auto level control (ALC) function is inoperative 
Possible DTC  Using the M-MDS  U0155:00, U0010:88 
Without using M-MDS (On-board diagnostic test mode)  16:Er12, 17:Er11 
Possible cause 
  • Open or short circuit in vehicle speed signal wiring harness (e. g., instrument cluster)
  • CAN signal wiring harness malfunction
  • Audio unit malfunction
    NOTE:
    • Inspect the ALC function while driving the vehicle with playing the CD.