DTC B1B91:13 [Position Memory Control System]: Notes

DTC B1B91:13 CHART (POSITION MEMORY CONTROL SYSTEM)

DTC B1B91:13	Front tilt motor speed/position sensor communication fault
DETECTION CONDITION	Position memory control module reads signal stop from position sensor 4 times when front tilt motor energization current is normal Position memory control module reads that front tilt motor energization current is at 1 A or less 4 times when motor is operating
POSSIBLE CAUSE	Front tilt motor connector malfunction Position sensor and motor malfunction Position memory control module connector malfunction Open circuit in wiring harness between the following terminals: Front tilt motor terminal A-Position memory control module terminal 4L Front tilt motor terminal C-Position memory control module terminal 4K Front tilt motor terminal D-Position memory control module terminal 4D Front tilt motor terminal E-Position memory control module terminal 4C Short to ground in wiring harness between the following terminals: Position memory control module terminal 4N-body GND Position memory control module terminal 4M-body GND Position memory control module terminal 4E-body GND Position memory control module terminal 4P-body GND Position memory control module malfunction
Courtesy of MAZDA MOTORS CORP.