DTC output pattern and malfunctioning location: E

E 

Possible cause 

• Connector terminal disconnection, poor contact, damage, deformation, corrosion
• Open circuit in wiring harness between Bluetooth unit and connector C-45
• Connector C-45 malfunction
• Bluetooth unit malfunction

Fig 1: Multiplex Communication System - Wiring Diagram (For Connector C-45)

Inspection item 

• Bluetooth unit connector
• Connector C-45
• Wiring harness between Bluetooth unit terminal Y and connector C-45
• Wiring harness between Bluetooth unit terminal Z and connector C-45
• Bluetooth unit