Odo/Trip Switch Malfunction: Procedure

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

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

   OK

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

NG → See step   5 

OK: Go to next step 

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)	ODO/TRIP switch on (Pushed)	Below 100 Ω
   	ODO/TRIP switch off (Not pushed)	1 MΩ or higher

NG → See step   6 

OK: Go to next step 

1. Disconnect the E77 meter connector.
   Fig 2: Identifying E77 And E9 Connector Terminals

   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
   E77-27 (RSET) - E9-4 (A/B)	Always	Below 1 Ω
   E77-34 (E2) - E9-1 (E)
   E77-34 (E2) - Body ground
   E77-27 (RSET) or E9-4 (A/B) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   4