DTC B1DA5-29; Incorrect Rear Roof Position: Notes

Description	Incorrect rear roof position
Detection condition	The retractable fastback control module detects an incorrect rear roof position.
Fail-safe	Stops retractable fastback operation
Possible cause	Open circuit in wiring harness between the following terminals: Retractable fastback control module terminal 4A and rear roof link limit switch (RH) terminal B Retractable fastback control module terminal 4E and rear roof link limit switch (RH) terminal C Retractable fastback control module terminal 4J and rear roof link limit switch (LH) terminal B Retractable fastback control module terminal 4F and rear roof link limit switch (LH) terminal C Retractable fastback control module terminal 4F and rear roof link limit switch (LH) terminal D Short to ground in wiring harness between the following terminals: Retractable fastback control module terminal 4D and rear roof link limit switch (RH) terminal A Retractable fastback control module terminal 4I and rear roof link limit switch (LH) terminal A Retractable fastback control module malfunction Rear roof link limit switch (RH) malfunction Rear roof link limit switch (LH) malfunction

Fig 1: Retractable Fastback Control Module Communication Diagram (B1DA5 29)

Courtesy of MAZDA MOTORS CORP.