Inspection Procedure

1. Check that the manual UP / DOWN function using the master switch and regulator switch can operate all the power windows.

   OK: Manual UP / DOWN function operates normally. 

NG: OTHER PROBLEM 

OK: Go to Next Step 

1. Check the DATA LIST for proper functioning of the power window switch on the master switch.

   Multiplex network door ECU front LH 

   ITEM MEASUREMENT NORMAL CONDITION CHART
   
   

   Item	Measurement Item / Display (Range)	Normal Condition	Diagnostic Note
   P P/W AUTO SW	Passenger side power window AUTO switch ON / OFF	ON: Passenger door remote power window AUTO switch operates OFF: Passenger door remote power window AUTO switch does not operate	-

   OK: ON (power window regulator switch on master switch operates) appears on screen. 

OK: REPLACE MULTIPLEX NETWORK DOOR ECU FRONT LH 

NG: Go to Next Step 

Fig 1: Identifying P14 And D17 Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the P14 switch connector.
2. Disconnect the D17 ECU connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   P14-6 (PW) - D17-21 (PWS)	Below 1 Ω
   P14-7 (W/L) - D17-9 (WLSW)	Below 1 Ω
   P14-3 (DT1) - D17-5 (DT1)	Below 1 Ω
   P14-13 (SC1) - D17-16 (SC1)	Below 1 Ω
   P14-14 (SC2) - D17-15 (SC2)	Below 1 Ω
   P14-15 (SC3) - D17-14 (SC3)	Below 1 Ω
   P14-6 (PW) or D17-21 (PWS) - Body ground	10 kΩ or higher
   P14-7 (W/L) or D17-9 (WLSW) - Body ground	10 kΩ or higher
   P14-3 (DT1) or D17-5 (DT1) - Body ground	10 kΩ or higher
   P14-13 (SC1) or D17-16 (SC1) - Body ground	10 kΩ or higher
   P14-14 (SC2) or D17-15 (SC2) - Body ground	10 kΩ or higher
   P14-15 (SC3) or D17-14 (SC3) - Body ground	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: Go to Next Step 

1. Disconnect the D17 and P9 ECU connectors.
   Fig 2: Identifying D17 And P9 ECU Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Specified Connection
   D17-20 (WLS1) - P9-9 (WLSW)	Below 1 Ω
   D17-20 (WLS1) or P9-9 (WLSW) -Body ground	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: Go to Next Step 

1. Temporarily replace the power window regulator master switch with a new or normally functioning one.
2. Check that the remote UP / DOWN function operates normally.

   OK: Remote UP / DOWN function operates normally. 

OK: END 

NG: Go to Next Step 

1. Temporarily replace the multiplex network door ECU front LH with a new or normally functioning one.
2. Check that the remote UP / DOWN function operates normally.

   OK: Remote UP / DOWN function operates normally. 

NG: REPLACE MULTIPLEX NETWORK DOOR ECU FRONT RH 

OK: END