Inspection Procedure

1. Measure the voltage of the display.

   Standard voltage 

   STANDARD VOLTAGE
   
   

   Tester Connection	Condition	Specified Condition
   M14-4 (MACC) - Body ground	Power switch ON (ACC)	10 to 14 V

NG: REPLACE MULTI-DISPLAY 

Fig 1: Identifying M14 Display Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to next step 

1. Disconnect the M14 display connector.
2. Disconnect the 03 junction block connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   STANDARD RESISTANCE
   
   

   Tester Connection	Specified Condition
   M14-4 (MACC) - 03-7 (ACC)	Below 1 Ω
   M14-2 (MIN+) - 03-8 (MI1+)	Below 1 Ω
   M14-3 (MIN-) - 03-9 (MIC-)	Below 1 Ω
   M14-4 (MACC) - Body ground	10 kΩ or higher
   M14-2 (MIN+) - Body ground	10 kΩ or higher
   M14-3 (MIN-) - Body ground	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

Fig 2: Identifying 03 Junction Block Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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