Inspection Procedure

1. Check that each function of the entry door lock operates normally by using the lock switch.

   OK: Entry door lock is functioning normally function. 

NG :  GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START 

OK : Go to next step 

1. Check the DATA LIST for proper functioning of the door courtesy light switch.

   Multiplex Network Body ECU 

   DATA LIST
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   D Door Courtesy SW	Driver side door courtesy light switch signal/ON or OFF	ON: Driver side door is unlocked OFF: Driver side door is locked	-

   OK: ON (driver side door is unlocked) appears on screen. 

NG : Go to step 3 

OK : REPLACE COWL SIDE JUNCTION BLOCK RH (MULTIPLEX NETWORK BODY ECU) 

1. Remove the courtesy light switch.
2. Measure the resistance of the switch.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

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

NG : REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH 

Fig 1: Identifying Terminals Of Courtesy Light Switch Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : Go to next step 

1. Disconnect the U1 ECU connector.
2. Disconnect the V7 switch connector.
3. Measure the resistance of the wire harness side connector.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Specified Condition
   U1-14 (DCTY) - V7-1	Below 1 Ω

NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

Fig 2: Identifying Terminals Of V7 Switch And U1 ECU Connectors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : REPLACE COWL SIDE JUNCTION BLOCK RH (MULTIPLEX NETWORK BODY ECU)