Inspection Procedure

1. Use the Data List to check if the engine switch is functioning properly.
   1. Intelligent tester

      MAIN BODY 

      INTELLIGENT TESTER MAIN BODY REFERENCE
      
      

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      ST SW1	Start Switch 1/ON or OFF	ON: Engine switch on (IG) OFF: Engine switch off	-
      ST SW2	Start Switch 2/ON or OFF	ON: Engine switch on (IG) OFF: Engine switch off	-

   2. Techstream

      Main Body 

      TECHSTREAM MAIN BODY REFERENCE
      
      

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      Start Switch 1	Start Switch 1/ON or OFF	ON: Engine switch on (IG) OFF: Engine switch off	-
      Start Switch 2	Start Switch 2/ON or OFF	ON: Engine switch on (IG) OFF: Engine switch off	-

      OK: ON appears on the screen. 

NG: Go to step   3 

OK: GO TO NEXT STEP 

1. Ensure the key is inside the cabin.
2. Check that the power source mode changes as shown below each time the engine switch is pushed.

   OK: off → on (ACC) → on (IG) → off 

NG: GO TO  POWER SOURCE MODE DOES NOT CHANGE  

OK: SYSTEM IS OK 

Fig 1: Identifying Connector Terminals Of Engine Switch

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Remove the engine switch (see REMOVAL  ).
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   ENGINE SWITCH
   
   

   Tester Connection	Switch Condition	Specified Condition
   7 (SS1)-5 (GND)	Pushed	Below 1 Ω
   2 (SS2) - 5 (GND)	Pushed	Below 1 Ω
   7(SS1)-5(GND)	Not pushed	10 kΩ or higher
   2 (SS2) - 5 (GND)	Not pushed	10 kΩ or higher

NG: REPLACE ENGINE SWITCH (See  REMOVAL   ) 

OK: GO TO NEXT STEP 

Fig 2: Identifying Connector Terminals Of L36 Engine Switch And L13 Main Body ECU

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the L36 engine switch connector.
2. Disconnect the L13 main body ECU connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   ENGINE SWITCH - MAIN BODY ECU AND BODY GROUND
   
   

   Tester Connection	Condition	Specified Condition
   L36-7 (SS1) - L13-17 (SSW1)	Always	Below 1 Ω
   L36-2 (SS2) - L13-16 (SSW2)	Always	Below 1 Ω
   L36-5 (GNO) - Body ground	Always	Below 1 Ω
   L36-7(SS1)orL13-17 (SSW1)-Body ground	Always	10 kΩ or higher
   L36-2(SS2)orL13-16 (SSW2) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE MAIN BODY ECU