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Home >> Mazda >> 2017 >> CX-9 Signature >> Repair and Diagnosis >> Accessories & Equipment >> Memory Modules >> On-Board Diagnostic - Position Memory Control Module >> DTC B1B91-13; Position Memory Control Module Malfunction >> Notes
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DTC B1B91-13; Position Memory Control Module Malfunction: Notes

DETECTION CONDITION & POSSIBLE CAUSE

Description Position memory control module malfunction
Detection condition
  • Position memory control module malfunction detected.
Fail-safe
  • Memory clearing:
    • If there is a malfunction in the tilt position sensor, clear all the memory positions.
  • Memory seat positioning using position memory switch and remote transmitter:
    • If there is a malfunction in the tilt position sensor, inhibits all memory seat positioning.
      • If there is a malfunction in the tilt motor, inhibits tilt motor seat positioning.
  • Tilt motor seat positioning using power seat switch:
    • If there is a malfunction in the tilt motor, inhibits tilt motor seat positioning.
  • Memory registration using position memory switch and remote transmitter:
    • If there is a malfunction in the tilt position sensor, inhibits the memory registration.
      • If there is a malfunction in the tilt motor and the malfunction is caused by short circuit, inhibits the memory registration.
Possible cause
  • Position memory control module malfunction
System wiring diagram Not applicable