Possible cause

• Connector terminal disconnection, poor contact, damage, deformation, corrosion
• PCM power supply voltage or body ground malfunction
• Open circuit in wiring harness between PCM and connector C-53
• Connector C-53 malfunction
• PCM malfunction

System wiring diagram

Fig 1: PCM Communication Diagram

Courtesy of MAZDA MOTORS CORP.

• Connector terminal disconnection, poor contact, damage, deformation, corrosion
• DSC HU/CM power supply voltage or body ground malfunction
• Open circuit in wiring harness between DSC HU/CM and connector C-53
• Connector C-53 malfunction
• DSC HU/CM malfunction

System wiring diagram

Fig 1: DSC HU/CM System Communication Diagram

Courtesy of MAZDA MOTORS CORP.

1. Connector terminal disconnection, poor contact, damage, deformation, corrosion
2. Radar unit power supply voltage or body ground malfunction
3. Open circuit in wiring harness between radar unit and connector C-53
4. Connector C-53 malfunction
5. Radar unit malfunction

System wiring diagram

Fig 1: Radar System Unit Communication Diagram

Courtesy of MAZDA MOTORS CORP.

• Connector terminal disconnection, poor contact, damage, deformation, corrosion
• Open circuit in wiring harness between connector C-53 and connector C-01
• Open circuit in wiring harness between connector C-01 and branch A
• Connector C-53 malfunction
• Connector C-01 malfunction

System wiring diagram

Fig 1: PCM System Communication Diagram

Courtesy of MAZDA MOTORS CORP.

• Connector terminal disconnection, poor contact, damage, deformation, corrosion
• Open circuit in wiring harness between connector C-53 and connector C-01
• Open circuit in wiring harness between connector C-01 and connector C-01
• Open circuit in wiring harness between connector C-01 and front body control module (FBCM)
• Connector C-53 malfunction
• Connector C-01 malfunction
• CAN circuit in front body control module (FBCM) malfunction

System wiring diagram

Fig 1: Front Body Control Module (FBCM) Communication Diagram

Courtesy of MAZDA MOTORS CORP.

• Connector terminal disconnection, poor contact, damage, deformation, corrosion
• TCM power supply voltage or body ground malfunction
• Open circuit in wiring harness between TCM and branch A
• TCM malfunction

System wiring diagram

Fig 1: TCM System Communication Diagram

Courtesy of MAZDA MOTORS CORP.

• Connector terminal disconnection, poor contact, damage, deformation, corrosion
• Open circuit in wiring harness between branch A and connector C-01
• Open circuit in wiring harness between front body control module (FBCM) and connector C-01
• Connector C-01 malfunction
• CAN circuit in front body control module (FBCM) malfunction

System wiring diagram

Fig 1: Front Body Control Module (FBCM) System Communication Diagram

Courtesy of MAZDA MOTORS CORP.

• Connector terminal disconnection, poor contact, damage, deformation, corrosion
• Front body control module (FBCM) power supply voltage or body ground malfunction
• Front body control module (FBCM) malfunction

System wiring diagram

Fig 1: Front Body Control Module System Communication Diagram

Courtesy of MAZDA MOTORS CORP.

• Connector terminal disconnection, poor contact, damage, deformation, corrosion
• Open circuit in wiring harness between front body control module (FBCM) and connectors C-55, C-54
• Connectors C-55, C-54 malfunction
• CAN circuit in front body control module (FBCM) malfunction

System wiring diagram

Fig 1: Front Body Control Module System Communication Diagram

Courtesy of MAZDA MOTORS CORP.

• Connector terminal disconnection, poor contact, damage, deformation, corrosion
• Adaptive front lighting system (AFS) control module/auto leveling control module power supply voltage or body ground malfunction
• Open circuit in wiring harness between adaptive front lighting system (AFS) control module/auto leveling control module and connectors C-55, C-54
• Connectors C-55, C-54 malfunction
• Adaptive front lighting system (AFS) control module/auto leveling control module malfunction

System wiring diagram

Fig 1: Adaptive Front Lighting System (AFS) Control Module Communication Diagram

Courtesy of MAZDA MOTORS CORP.

• Connector terminal disconnection, poor contact, damage, deformation, corrosion
• Open circuit in wiring harness between connectors C-55, C-54 and connector C-08
• Open circuit in wiring harness between connector C-08 and connector C-24
• Open circuit in wiring harness between connector C-24 and connector C-74
• Connectors C-55, C-54 malfunction
• Connector C-08 malfunction
• Connector C-24 malfunction
• Connector C-74 malfunction

System wiring diagram

Fig 1: PCM Communication Diagram

Courtesy of MAZDA MOTORS CORP.

• Connector terminal disconnection, poor contact, damage, deformation, corrosion
• Power liftgate (PLG) control module power supply voltage or body ground malfunction
• Open circuit in wiring harness between power liftgate (PLG) control module and connector C-74
• Connector C-74 malfunction
• Power liftgate (PLG) control module malfunction

System wiring diagram

Fig 1: Power Liftgate (PLG) Control Module Communication Diagram

Courtesy of MAZDA MOTORS CORP.

• Connector terminal disconnection, poor contact, damage, deformation, corrosion
• Open circuit in wiring harness between connector C-74 and connector C-24
• Open circuit in wiring harness between connector C-24 and connector C-71
• Connector C-74 malfunction
• Connector C-24 malfunction
• Connector C-71 malfunction

System wiring diagram

Fig 1: PCM Communication Diagram

Courtesy of MAZDA MOTORS CORP.

• Connector terminal disconnection, poor contact, damage, deformation, corrosion
• Audio amplifier power supply voltage or body ground malfunction
• Open circuit in wiring harness between audio amplifier and connector C-71
• Connector C-71 malfunction
• Audio amplifier malfunction

System wiring diagram

Fig 1: Audio Amplifier Module Communication Diagram

Courtesy of MAZDA MOTORS CORP.

• Connector terminal disconnection, poor contact, damage, deformation, corrosion
• Electric parking brake control module power supply voltage or body ground malfunction
• Open circuit in wiring harness between electric parking brake control module and connector C-71
• Connector C-71 malfunction
• Electric parking brake control module malfunction

System wiring diagram

Fig 1: Electric Parking Brake Control Module Communication Diagram

Courtesy of MAZDA MOTORS CORP.

• Connector terminal disconnection, poor contact, damage, deformation, corrosion
• AWD control module power supply voltage or body ground malfunction
• Open circuit in wiring harness between AWD control module and connector C-71
• Connector C-71 malfunction
• AWD control module malfunction

System wiring diagram

Fig 1: AWD Control Module Communication Diagram

Courtesy of MAZDA MOTORS CORP.

• Connector terminal disconnection, poor contact, damage, deformation, corrosion
• Open circuit in wiring harness between connector C-71 and connectors C-72, C-73
• Connector C-71 malfunction
• Connectors C-72, C-73 malfunction

System wiring diagram

Fig 1: Radar Unit Communication Diagram

Courtesy of MAZDA MOTORS CORP.

• Connector terminal disconnection, poor contact, damage, deformation, corrosion
• Position memory control module power supply voltage or body ground malfunction
• Open circuit in wiring harness between position memory control module and connector C-31
• Open circuit in wiring harness between connector C-31 and connectors C-72, C-73
• Connector C-31 malfunction
• Connectors C-72, C-73 malfunction
• Position memory control module malfunction

System wiring diagram

Fig 1: Power Memory Control Module Communication Diagram

Courtesy of MAZDA MOTORS CORP.