DTC B1DA0-23: Top Lock Motor Pulse Input Circuit Malfunction [Retractable Hardtop Control Module]: Notes

DTC B1DA0:23 (RETRACTABLE HARDTOP CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

Description	Top lock motor pulse input circuit malfunction
Detection condition	The retractable hardtop control module cannot detect a pulse signal from the top lock motor when the top lock motor operation starts.
Fail-safe	Stops retractable hardtop operation
Possible cause	Short to ground in wiring harness between the following terminals: Retractable hardtop control module terminal 4X and Top lock motor terminal F Retractable hardtop control module terminal 4W and Top lock motor terminal D Short to power supply in wiring harness between the following terminals: Retractable hardtop control module terminal 4X and Top lock motor terminal F Retractable hardtop control module terminal 4Y and Top lock motor terminal B Open circuit in wiring harness between the following terminals: Retractable hardtop control module terminal 4X and Top lock motor terminal F Retractable hardtop control module terminal 4Y and Top lock motor terminal B Retractable hardtop control module terminal 4W and Top lock motor terminal D Line-to-line short circuit in wiring harness between the following terminals: Top lock motor terminal F and top lock motor terminal D Top lock motor terminal F and top lock motor terminal B Top lock motor terminal D and top lock motor terminal B Top lock motor malfunction Retractable hardtop control module malfunction
Courtesy of MAZDA MOTORS CORP.