ODO/Trip Switch Malfunction [08/2015 - ]: Procedure

1. Operate the Techstream according to the display and select Data List (Refer to DATA LIST / ACTIVE TEST [08/2015 - ] ).
   COMBINATION METER
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   ODO/TRIP Change SW	Trip switch (ODO/TRIP switch) condition/ON or OFF	ON: Trip switch pushed OFF: Trip switch not pushed	-

   OK

   Switch condition (ON/OFF) can be switched by actual operation.

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY 

(Refer to REMOVAL [08/2015 - ] )

Result: 

NG 

See step  2

1. Remove the light control rheostat (Refer to REMOVAL [08/2015 - ] ).
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   4 (A/B) - 1 (E)	TRIP switch ON (Pushed)	Below 200 Ω
   	TRIP switch OFF (Not pushed)	1 MΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Light Control Rheostat)

Result: 

NG 

REPLACE LIGHT CONTROL RHEOSTAT 

(Refer to REMOVAL [08/2015 - ] )

Result: 

OK 

See step  3

1. Disconnect the E99 combination meter assembly connector.
2. Disconnect the E9 light control rheostat connector.
3. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Component without harness connected (Combination Meter Assembly)

   *b

   Component without harness connected (Light Control Rheostat)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E99-8 (RSET) - E9-4 (A/B)	Always	Below 1 Ω
   E99-19 (E2) - E9-1 (E)
   E99-19 (E2) - Body ground
   E99-8 (RSET) or E9-4 (A/B) - Body ground	Always	10 kΩ or higher

4. Connect the E99 combination meter assembly connector.
5. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E99-19 (E2) - Body ground	Always	Below 1 Ω

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY 

(Refer to REMOVAL [08/2015 - ] )

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR