Combination Meter ECU Communication Stop Mode [10/2014 - ]: Procedure

1. Disconnect the cable from the negative (-) battery terminal.
2. Disconnect the D9 combination meter assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   TEXT IN ILLUSTRATION
   
   

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

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   D9-16 (CANH) - D9-15 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

NG 

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (COMBINATION METER ASSEMBLY MAIN LINE) 

OK 

See step  2

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

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   TEXT IN ILLUSTRATION
   
   

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   D9-7 (ES) - Body ground	Cable disconnected from negative (-) battery terminal	Below 1 Ω

2. Connect the cable to the negative (-) battery terminal.
3. Measure the voltage according to the value (s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   D9-1 (B) - Body ground	Always	11 to 14 V
   D9-13 (IG+) - Body ground	Engine switch on (IG)	11 to 14 V

OK 

REPLACE COMBINATION METER ASSEMBLY 

Refer to REMOVAL [10/2014 - ] )

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)