Inspection Procedure

1. Connect a Techstream to the DLC3.
2. Turn the ignition switch ON.
3. Turn the tester on.
4. Enter the following menus: Body Electrical / Main Body / Data List.
5. According to the display on tester, read on the "Data List".

   Main Body: 

   DATA LIST - MAIN BODY
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Back Door Open Handle SW	Back door opener switch signal (outside handle switch) / ON or OFF	ON Back door opener switch is pushed OFF Back door opener switch is not pushed	-

   OK: The display is as specified in the normal condition. 

NG: Go to step 2 

OK : PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE  (See PROBLEM SYMPTOMS TABLE  )

1. Remove the back door opener switch (See REMOVAL ).
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Switch Position	Specified Condition
   2 - 3	Back door opener switch free (OFF)	10 kΩ or higher
   2 - 3	Back door opener switch pushed (ON)	Below 1 Ω

3. Reinstall the back door opener switch (See INSTALLATION ).

NG: REPLACE BACK DOOR OPENER SWITCH  (See REMOVAL )

Fig 1: Inspecting Back Door Opener Switch

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step 

1. Disconnect the F38 main body ECU connector.
2. Disconnect the O4 back door opener connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Condition	Specified Condition
   F38-7 (BDSU) - O4-3	Always	Below 1 Ω
   F38-7 (BDSU) - Body ground	Always	10 kΩ or higher

4. Reconnect the main body ECU connector.
5. Reconnect the back door opener connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 2: Identifying Back Door Opener Switch And Main Body ECU Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step 

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

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Condition	Specified Condition
   O4-2 - Body ground	Always	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 3: Identifying Back Door Opener Switch Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : REPLACE MAIN BODY ECU