DTC B1D9B-14: Front Roof Link Motor (LH) Circuit Malfunction [Retractable Hardtop Control Module]: Notes

DTC B1D9B:14 (RETRACTABLE HARDTOP CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

Description	Front roof link motor (LH) circuit malfunction
Detection condition	The retractable hardtop control module cannot receive a signal from the front roof link motor (LH) while the front roof link motor (LH) is operating.
Fail-safe	Stops retractable hardtop operation
Possible cause	Retractable hardtop control module power supply circuit malfunction Short to ground in wiring harness between retractable hardtop control module terminal 1B and battery positive terminal CABIN+B 50 A fuse malfunction RHT L 30 A fuse malfunction Open circuit in wiring harness between retractable hardtop control module terminal 1B and battery positive terminal Short to ground in wiring harness between the following terminals: Retractable hardtop control module terminal 2H and front roof link motor (LH) terminal A Retractable hardtop control module terminal 2D and front roof link motor (LH) terminal E Open circuit in wiring harness between the following terminals: Retractable hardtop control module terminal 2H and front roof link motor (LH) terminal A Retractable hardtop control module terminal 2D and front roof link motor (LH) terminal E Front roof link motor (LH) malfunction Retractable hardtop control module malfunction
Courtesy of MAZDA MOTORS CORP.