Driver Side Power Window does not Operate with Power Window Master Switch: Procedure

1. Check for DTCs.
2. Connect Techstream to the DLC3.
3. By following the tester screen display, check whether any DTCs are output.
   RESULT
   
   

   Display	Proceed to
   No output	A
   DTC output	B

B → GO TO DIAGNOSTIC TROUBLE CODE CHART 

A: Go to next step 

1. Perform the Active Test, using Techstream to generate a control command, and then check the power window operation.
   D-DOOR MOTOR
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   P/W Up / Down	Power Window	UP / OFF	-
   P/W Up / Down	Power Window	DOWN / OFF	-

   OK

   Driver side power window operates normally.

   WARNING:

   Be careful to avoid injuries as this test causes vehicle parts to move.

NG → See step   6 

OK: Go to next step 

1. Check the Data list for proper functioning of the power window master switch.
   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.

OK → REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side) 

NG: Go to next step 

Fig 1: Identifying Wire Harness (Switch Input Power Supply) Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the H2 switch connector.
2. Turn the ignition switch ON.
3. Measure the voltage of the wire harness side connector.

   Standard voltage 

   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 

Fig 2: Identifying Wire Harness (Master Switch - Regulator Motor) Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the H2 switch connector.
2. Disconnect the H4 motor connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   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 → REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 

1. Remove the D FR DOOR fuse from the instrument panel junction block.

   Standard resistance 

   Below 1 Ω

NG → REPLACE FUSE (D FR DOOR) 

OK: Go to next step 

Fig 3: Identifying Motor Input Power Supply Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the H4 motor connector.
2. Measure the voltage of the wire harness side connector.

   Standard voltage 

   Tester Connection	Specified Condition
   H4-2 (B) - H4-1 (GND)	10 to 14 V

NG → REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK → REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side)