Power Source Circuit [12/2022 - ]: Procedure

1. Disconnect the K18 combination meter assembly connector.
2. Measure the voltage according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Combination Meter Assembly)

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   K18-5 (B) - Body ground	Ignition switch off	11 to 14 V
   K18-6 (IG+) - Body ground	Ignition switch off	Below 1 V
   K18-6 (IG+) - Body ground	Ignition switch ON	11 to 14 V

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  2

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K18-1 (EP) - Body ground	Always	Below 1 Ω
   K18-2 (ES) - Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [12/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR