Inspection Procedure

1. Use the DATA LIST to check the operation of the front door courtesy switch.

   BODY 

   DATA LIST (BODY)
   
   

   Item	Measurement Item/Display (Range)	Normal Condition	Diagnostic Note
   D DOR CTY SW	Driver side door courtesy switch signal/ON or OFF	ON: Driver side door Is open OFF: Driver side door Is closed	-

   OK: 

   The display is as specified in the normal condition. 

NG:  Go to step  5

OK: Go TO NEXT STEP 

1. Use the DATA LIST to check the operation of the door unlock warning switch.

   BODY 

   DATA LIST (BODY)
   
   

   Item	Measurement Item/Display (Range)	Normal Condition	Diagnostic Note
   KEY UNLK WRN SW	Unlock warning switch signal/ON or OFF	ON: Key is in Ignition key cylinder OFF: No key Is In ignition key cylinder	-

   OK: 

   The display is as specified in the normal condition. 

NG: REPLACE MAIN BODY ECU 

OK: Go TO NEXT STEP 

1. Remove the unlock warning switch assembly.
   Fig 1: Identifying Unlock Warning Switch Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Condition	Specified Condition
   1-2	Not pushed	10 kΩ or higher
   1-2	Pushed	Below 1 Ω

NG: REPLACE UNLOCK WARNING SWITCH ASSEMBLY 

OK: Go TO NEXT STEP 

1. Disconnect the E21 unlock warning switch assembly connector.
2. Disconnect the E8 main body ECU connector.
   Fig 2: Identifying E8 Main Body ECU & E21 Unlock Warning Switch Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Measure the resistance.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   E21-1 - E8-14 (KSW)	Below 1 Ω
   E21-1 or E8-14 (KSW) - Body ground	10 kΩor higher
   E21-2 - Body ground	Below 1 Ω

4. Reconnect the unlock warning switch connector.
5. Reconnect the main body ECU connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE MAIN BODY ECU 

1. Remove the front door courtesy switch (driver side).
   Fig 3: Identifying Front Door Courtesy Switch Assembly (Driver Side)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Condition	Specified Condition
   1 - Body ground	Not pushed (ON)	Below 1 Ω
   1 - Body ground	Pushed (OFF)	10 kΩ or higher

3. Reinstall the front door courtesy switch (driver side).

NG: REPLACE FRONT DOOR COURTESY SWITCH ASSEMBLY (DRIVER SIDE) 

OK: Go TO NEXT STEP 

1. Disconnect the J1 front door courtesy switch (driver side) connector.
2. Disconnect the E7 main body ECU connector
   Fig 4: Identifying E7 Main Body ECU & J1 Front Door Courtesy Switch Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Measure the resistance.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   J1-1 - E7-23 (DCTY)	Below 1 Ω
   J1-1 or E7-23 (DCTY) - Body ground	10 kΩ or higher

4. Reconnect the front door courtesy switch connector.
5. Reconnect the main body ECU connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE MAIN BODY ECU