Inspection Procedure

1. Disconnect the I6 connector.
2. Measure the resistance and voltage according to the value(s) in MULTIPLEX NETWORK MASTER SWITCH - BATTERY AND BODY GROUND (RESISTANCE)  and MULTIPLEX NETWORK MASTER SWITCH - BATTERY AND BODY GROUND (VOLTAGE)  .

   Resistance 

   MULTIPLEX NETWORK MASTER SWITCH - BATTERY AND BODY GROUND (RESISTANCE)
   
   

   Tester Connection	Condition	Specified Condition
   I6-1 (E) - Body ground	Always	Below 1 Ω

   Voltage 

   MULTIPLEX NETWORK MASTER SWITCH - BATTERY AND BODY GROUND (VOLTAGE)
   
   

   Tester Connection	Condition	Specified Condition
   I6-7 (BW) - Body ground	Always	10 to 14 V
   I6-6 (B) - Body ground	Always	10 to 14 V
   I6-11 (IG) - Body ground	Ignition switch OFF -> ON	0 V -> 10 to 14 V

   Fig 1: Checking Wire Harness (Multiplex Network master Switch - Battery And Body Ground)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: PROCEED TO NEXT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE