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DTC B1DA6-29; Incorrect Top Lock Position: Notes

Description Incorrect top lock position
Detection condition
  • The retractable fastback control module detects an incorrect top lock position.
Fail-safe
  • Stops retractable fastback operation
Possible cause
  • Short to ground in wiring harness between the following terminals:
    • Retractable fastback control module terminal 1G and top lock switch terminal A
    • Retractable fastback control module terminal 4L and front roof link limit switch (LH) terminal C
    • Retractable fastback control module terminal 4M and front roof link limit switch (LH) terminal D
    • Retractable fastback control module terminal 4K and front roof link limit switch (LH) terminal B
    • Retractable fastback control module terminal 4I and rear roof link limit switch (LH) terminal A
    • Retractable fastback control module terminal 4F and rear roof link limit switch (LH) terminal C
  • Retractable fastback control module malfunction
  • Top lock switch malfunction
  • Front roof link limit switch (LH) malfunction
  • Rear roof link limit switch (LH) malfunction
Fig 1: Retractable Fastback Control Module Communication Diagram (B1DA6 29)
G11275657Courtesy of MAZDA MOTORS CORP.
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