Inspection Procedure

1. Turn the window lock switch OFF and operate the master switch passenger side switch. Check that the remote UP/DOWN function operates normally.

   OK: Remote UP/DOWN function operates normally. 

   Fig 1: Identifying Lock Switch

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: Go to step 2 

OK: END 

1. Check that the passenger side power window manual UP/DOWN function operates normally.

   OK: Manual UP/DOWN function operates normally. 

NG: OTHER PROBLEM 

OK: GO TO NEXT STEP 

1. Disconnect the D8 master switch connector.
2. Measure the resistance of the switch when the switch is operated.
   Fig 2: Inspecting Power Window Regulator Master Switch Assembly (Passenger Side Switch)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Resistance 

   POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (PASSENGER SIDE SWITCH)
   
   

   Window Lock Switch Condition	Power Window Switch Condition	Tester Connection	Specified Condition
   OFF	UP	1 (E) - 17 (D) 7 (IG) - 15 (U)	Below 1
   OFF	OFF	1 (E) - 17 (D) 1 (E) - 15 (U)	Below 1
   OFF	DOWN	1 (E) - 15 (U) 7 (IG) - 17 (D)	Below 1
   ON	UP	7 (IG) - 15 (U)	Below 1
   ON	OFF	15 (U) - 17 (D)	Below 1
   ON	DOWN	7 (IG) - 17 (D)	Below 1

NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 

OK: GO TO NEXT STEP 

1. Disconnect the D8 master switch connector.
2. Disconnect the C18 ECU connector.
3. Measure the resistance of the wire harness side connectors.

   Resistance 

   REGULATOR MASTER SWITCH - CONVERTIBLE ROOF CONTROL ECU
   
   

   Tester Connection	Specified Condition
   D8-18 (WLSW) - C18-10 (WLSW)	Below 1
   D8-18 (WLSW) or C18-10 (WLSW) - Body ground	10 k or higher

   Fig 3: Checking Wire Harness (Regulator Master Switch - Convertible Roof Control ECU)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: REPLACE CONVERTIBLE ROOF CONTROL ECU