Inspection Procedure

1. Using the Data List to check the function of the power window master switch.

   D-Door Motor 

   DATA LIST - D-DOOR MOTOR
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   D Door P/W Auto SW	Driver side power window AUTO switch signal / ON or OFF	ON: Driver side power window AUTO switch operates OFF: Driver side power window AUTO switch does not operate	-
   D Door P/W Up SW	Driver side power window UP switch signal / ON or OFF	ON: Driver side power window UP switch operates OFF: Driver side power window UP switch does not operate	-
   D Door P/W Down SW	Driver side power window DOWN switch signal / ON or OFF	ON: Driver side power window DOWN switch operates OFF: Driver side power window DOWN switch does not operate	-

   OK: 

   ON (switch operates) appears on screen. 

   HINT:

   When the power window operates normally, the problem has been caused by irregular switch operation (for example, the power window regulator master switch was held in the same position for more than 20 seconds).

OK: REPLACE POWER WINDOW REGULATOR MOTOR (for Driver Side) 

NG: Go to Next Step 

1. Disconnect the H2 switch connector.
Fig 1: Identifying H2 Switch Connector Terminal
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the voltage of the wire harness and connector.

   Standard voltage 

   STANDARD VOLTAGE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   H2-6 (B) - H2-1 (E)	10 to 14 V

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: Go to Next Step 

1. Disconnect the H2 switch connector.
2. Disconnect the H4 motor connector.
   Fig 2: Identifying H2 Switch Connector And H4 Motor Connector Terminal

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

   Standard resistance 

   STANDARD RESISTANCE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   H2-8 (U) - H4-10 (UP)	Below 1 Ω
   H2-5 (D) - H4-7 (DOWN)	Below 1 Ω
   H2-4 (A) - H4-4 (AUTO)	Below 1 Ω
   H2-3 (LED) - H4-5 (LED)	Below 1 Ω

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 for DTC.

   OK: 

   DTC is not output. 

NG: REPLACE POWER WINDOW REGULATOR MOTOR (for Driver Side) 

OK: END