Odo/Trip Switch Malfunction: Procedure

1. Operate the Techstream according to the display and select Data List.
   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.

NG → See step   2 

OK → See step   5 

1. Remove the light control rheostat, refer to REMOVAL .
   Fig 1: Identifying Light Control Rheostat Connector Terminal (Trip Switch)

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

   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

NG → See step   6 

OK: Go to next step 

1. Disconnect the E8 ECU connector.
   Fig 2: Identifying E8 ECU Connector And E9 Switch Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the E9 switch connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E8-4 (RSET) - E9-4 (A/B)	Always	Below 1 Ω
   E8-23 (E2) - E9-1 (E)
   E8-23 (E2) - Body ground
   E8-4 (RSET) or E9-4 (A/B) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   4