Inspection Procedure

1. Disconnect the C10 meter connector.
   Fig 1: Identifying C10 Meter Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the voltage of the wire harness side connector.

   Standard voltage 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   C10-21 - Body ground	Always	10 to 14 V
   C10-4 - Body ground	Power switch ON (IG)
   C10-22 - Body ground

3. Measure the resistance of the wire harness side connector.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   C10-14 - Body ground	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: REPLACE COMBINATION METER ASSEMBLY