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
   Door Lock SW-Lock	Door control switch lock signal / ON or OFF	ON Door control switch is pushed to lock position OFF Door control switch is not pushed
   Door Lock SW-Unlock	Door control switch unlock signal / ON or OFF	ON. Door control switch is pushed to unlock position OFF Door control switch is not pushed

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

   Result 

   RESULT REFERENCE
   
   

   Result	Proceed to
   OK	A
   NG (for Driver side)	B
   NG (for Passenger side)	C

B: Go to step 2 

C:  Go to step  4

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

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

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Switch Condition	Specified Condition
   2 (L) - 1 (E)	Lock	Below 1 Ω
   2 (L) - 1 (E) 9 (UL) - 1 (E)	OFF (Free)	10 kΩ or higher
   9 (UL) - 1 (E)	Unlock	Below 1 Ω

3. Reinstall the power window master switch (see INSTALLATION  ).

NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH  (See REMOVAL  )

Fig 1: Identifying Power Window Master Switch Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step 

1. Disconnect the J1 power window master switch connector.
2. Disconnect the 4H main body ECU (instrument panel junction block) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Condition	Specified Condition
   J1-2 (L) - 4H-4 (L1)	Always	Below 1 Ω
   J1-9 (UL) - 4H-5 (UL1)
   J1-1 - Body ground
   4H-4 (L1) - Body ground	Always	10 kΩ or higher
   4H-5 (UL1) - Body ground

4. Reconnect the power window master switch connector.
5. Reconnect the main body ECU (instrument panel junction block) connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 2: Identifying Main Body ECU And Power Window Master Switch Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : REPLACE MAIN BODY ECU 

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

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Switch Condition	Specified Condition
   3 (L) - 4 (E)	Lock	Below 1 Ω
   3 (L) - 4 (E) 2 (UL) - 4 (E)	OFF (Free)	10 kΩ or higher
   2 (UL) - 4 (E)	Unlock	Below 1 Ω

3. Reinstall the door control switch (see INSTALLATION  ).

NG: REPLACE DOOR CONTROL SWITCH  (See REMOVAL  )

Fig 3: Inspecting Door Control Switch (For Passenger Side)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step 

1. Disconnect the I6 front door lock control switch RH connector.
2. Disconnect the 4C and 4E main body ECU (instrument panel junction block) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Condition	Specified Condition
   I6-3 (L) - 4E-11 (L1)	Always	Below 1 Ω
   I6-2 (UL) - 4C-10 (UL1)
   I6-4 (E) - Body ground
   4E-11 (L1) - Body ground	Always	10 kΩ or higher
   4C-10 (UL1) - Body ground

4. Reconnect the front door lock control switch RH connector.
5. Reconnect the main body ECU (instrument panel junction block) connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 4: Identifying Main Body ECU And Front Door Lock Control Switch Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : REPLACE MAIN BODY ECU