Multi-display Power Source Circuit: Wiring Diagram

1. Disconnect the multi-display connector J50.
2. Measure the resistance according to the value(s) in the table below.
   STANDARD RESISTANCE
   
   

   Tester connection	Condition	Specified condition
   GND1 - Body ground	Always	Below 1 Ω

3. Measure the voltage according to the value(s) in the table below.
   STANDARD VOLTAGE
   
   

   Tester connection	Condition	Specified condition
   +B1 - GND1	Always	10 to 14 V
   ACC - GND1	Engine switch on (ACC)	10 to 14 V
   IG - GND1	Engine switch on (IG)	10 to 14 V

   Fig 2: Identifying Multi-Display Connector J50

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE