Inspection Procedure

1. Disconnect the C8 and C9 connectors.
2. Measure the resistance according to the value (s) in the table below.

   Standard resistance 

   RESISTANCE REFERENCE CHART
   
   

   Tester Connection	Condition	Specified Condition
   C8-1 (POWER GND) - Body ground	Always	Below 1 Ω
   C9-1 (SIGNAL GND) - Body ground	Always	Below 1 Ω

   Fig 1: Identifying Combination Meter Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Measure the voltage according to the value (s) in the table below.

   Standard voltage 

   VOLTAGE SPECIFICATION
   
   

   Tester Connection	Condition	Specified Condition
   C8-8 (IG2) -Body ground	Turn the ignition switch to the ON position.	10 to 16 V
   C8-15 (ECU +B) - Body ground	Always	10 to 16 V
   C8-16 (DOME +B) - Body ground	Always	10 to 16 V

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE COMBINATION METER ASSEMBLY