Inspection Procedure

1. Connect Techstream to the DLC3.
2. Turn the ignition switch on (IG).
3. Turn Techstream on.
4. Select the following menu items: Body Electrical / Main Body / Data List.
5. Read the display on Techstream.

   Main Body: 

   DATA LIST REFERENCE
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   D door Courtesy SW	Driver side door courtesy switch signal / ON or OFF	ON: Driver side door open OFF: Driver side door closed	-
   P door Courtesy SW	Passenger side door courtesy switch signal / ON or OFF	ON: Passenger side door open OFF: Passenger side door closed	-
   RR door Courtesy SW	Rear door RH courtesy switch signal / ON or OFF	ON: Rear door RH open OFF: Rear door RH closed	-
   RL door Courtesy SW	Rear door courtesy switch LH signal / ON or OFF	ON: Rear door LH open OFF: Rear door LH closed	-

   OK: 

   Normal conditions listed above are displayed. 

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

NG: Go to next step 

1. Inspect the front door courtesy switch (See INSPECTION  ).
2. Inspect the rear door courtesy switch (See INSPECTION  ).

   OK: 

   Door courtesy switches are normal. 

NG: REPLACE DOOR COURTESY SWITCH 

OK: Go to next step 

1. Check the harness and connector between the main body ECU and door courtesy switches (passenger side and rear RH).
   1. Disconnect the E6 main body ECU connector.
   2. Disconnect the O6 and O10 switch connectors.
   3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE REFERENCE
      
      

      Tester Connection	Condition	Specified Condition
      E6-5 (*1) - O10-1 (Rear RH)	Always	Below 1 Ω
      E6-7 (*2) - O10-1 (Rear RH)	Always	Below 1 Ω
      E6-21 (PCTY) - O6-1 (Front passenger side)	Always	Below 1 Ω
      O10-1 (Rear RH) - Body ground	Always	10 kΩ or higher
      O6-1 (Front passenger side) - Body ground	Always	10 kΩ or higher
      HINT: *1: without Smart Key System *2: with Smart Key System

      Fig 1: Checking Main Body ECU And Door Courtesy Switches (Passenger Side And Rear RH)

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check the harness and connector between the instrument panel J/B assembly and rear LH door courtesy switch.
   1. Disconnect the IO instrument panel J/B assembly connector.
   2. Disconnect the N13 switch connector.
   3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE REFERENCE
      
      

      Tester Connection	Condition	Specified Condition
      IO-7 (LCTY) - N13-1 (Rear LH)	Always	Below 1 Ω
      IO-7 (LCTY) - Body ground	Always	10 kΩ or higher

      Fig 2: Identifying instrument Panel J/B Assembly And Rear LH Door Courtesy Switch

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check the harness and connector between the main body ECU and driver side door courtesy switch.
   1. Disconnect the E7 main body ECU connector.
   2. Disconnect the N6 switch connector.
   3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE REFERENCE
      
      

      Tester Connection	Condition	Specified Condition
      E7-24 (DCTY) - N6-1 (Driver side)	Always	Below 1 Ω
      E7-24 (DCTY) - Body ground	Always	10 kΩ or higher

      Fig 3: Identifying E7 Main Body ECU Connector And Door Courtesy Switch

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY