DTC B1B93:13: Notes

DTC B1B93:13 CHART (POSITION MEMORY CONTROL SYSTEM)

DTC B1B93:13	Recliner motor speed/position sensor communication fault
DETECTION CONDITION	Position memory control module reads signal stop from position sensor 4 times when recliner motor energization current is normal Position memory control module reads that recliner motor energization current is at 1 A or less 4 times when motor is operating
POSSIBLE CAUSE	Recliner motor connector malfunction Position sensor and motor malfunction Position memory control module connector malfunction Open circuit in wiring harness between the following terminals: Recliner motor terminal D-Position memory control module terminal 4O Recliner motor terminal C-Position memory control module terminal 4P Recliner motor terminal A-Position memory control module terminal 4H Recliner motor terminal E-Position memory control module terminal 4G Short to ground in wiring harness between the following terminals: Position memory control module terminal 4O-body GND Position memory control module terminal 4P-body GND Position memory control module terminal 4H-body GND Position memory control module terminal 4G-body GND Position memory control module malfunction

DTC B1B93:13

Recliner motor speed/position sensor communication fault

DETECTION CONDITION

Position memory control module reads signal stop from position sensor 4 times when recliner motor energization current is normal
Position memory control module reads that recliner motor energization current is at 1 A or less 4 times when motor is operating

POSSIBLE CAUSE

Recliner motor connector malfunction
Position sensor and motor malfunction
Position memory control module connector malfunction
Open circuit in wiring harness between the following terminals:
- Recliner motor terminal D-Position memory control module terminal 4O
- Recliner motor terminal C-Position memory control module terminal 4P
- Recliner motor terminal A-Position memory control module terminal 4H
- Recliner motor terminal E-Position memory control module terminal 4G
Short to ground in wiring harness between the following terminals:
- Position memory control module terminal 4O-body GND
- Position memory control module terminal 4P-body GND
- Position memory control module terminal 4H-body GND
- Position memory control module terminal 4G-body GND
Position memory control module malfunction

Fig 1: Wiring Diagram

Courtesy of MAZDA MOTORS CORP.