Multi-display Power Source Circuit: Procedure

1. Disconnect the accessory meter assembly*1 or multi-display*2 connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   1. *1: for 12.3 Inch
   2. *2: for 8 Inch
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   FOR 12.3 INCH
   
   

   Tester Connection	Condition	Specified Condition
   N62-13 (GND1) - Body ground	Always	Below 1 Ω

   FOR 8 INCH
   
   

   Tester Connection	Condition	Specified Condition
   N152-13 (GND1) - Body ground	Always	Below 1 Ω

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

   Standard Voltage

   FOR 12.3 INCH
   
   

   Tester Connection	Condition	Specified Condition
   N62-12 (+B2) - Body ground	Always	11 to 14 V
   N62-23 (IG) - Body ground	Engine switch on (IG)	11 to 14 V
   N62-24 (ACC) - Body ground	Engine switch on (ACC)	11 to 14 V

   FOR 8 INCH
   
   

   Tester Connection	Condition	Specified Condition
   N152-12 (+B2) - Body ground	Always	11 to 14 V
   N152-23 (IG) - Body ground	Engine switch on (IG)	11 to 14 V
   N152-24 (ACC) - Body ground	Engine switch on (ACC)	11 to 14 V

   TEXT IN ILLUSTRATION
   
   

   *A	for 12.3 Inch
   *B	for 8 Inch
   *a	Front view of wire harness connector (to Accessory Meter Assembly)
   *b	Front view of wire harness connector (to Multi-display)

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   2