Determining Open Circuit Location (HS-Can) [Multiplex Communication System]: I

Possible cause 

• Connector terminal disconnection, poor contact, damage, deformation, corrosion
• Open circuit in wiring harness between BCM and connector C-18
• Open circuit in wiring harness between connector C-18 and connector C-47
• Connector C-18 malfunction
• Connector C-47 malfunction

Fig 1: Multiplex Communication System (ATX) - Wiring Diagram

Inspection item 

• BCM connector
• Connector C-18
• Connector C-47
• Wiring harness between BCM terminal 6W and connector C-18
• Wiring harness between BCM terminal 6X and connector C-18
• Wiring harness between connector C-18 and connector C-47