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DTC B1079 13: Hood Latch Switch Circuit Malfunction: Notes

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DTC B1079:13 (REAR BODY CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSES

Description  Hood latch switch circuit malfunction 
Detection condition 
  • Rear body control module (RBCM) detects an open circuit in hood latch switch circuit.
Fail-safe function  Not applicable
Possible cause 
  • Hood latch switch connector or terminal malfunction
  • Open circuit in wiring harness between hood latch switch terminal B and body ground
  • Hood latch switch malfunction
  • Rear body control module (RBCM) connector or terminal malfunction
  • Open circuit in wiring harness between rear body control module (RBCM) terminal 3L and hood latch switch terminal A
  • Rear body control module (RBCM) malfunction
Fig 1: Hood Latch Switch - Circuit Diagram
G09786595Courtesy of MAZDA MOTORS CORP.