Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power Window Switch LH [10/2014 - ]: Procedure

1. Check for DTCs.
   RESULT:
   
   

   Result	Proceed to
   DTC is not output	A
   B2311 is output	B
   B2312 is output	C
   B2313 is output	D
   LIN communication system DTC output reoccur	E

B → See step   10 

C → See step   6 

D → See step   8 

E → See step   11 

A: Go to next step 

1. Check that the manual UP/DOWN function using the rear power window regulator switch LH can operate the driver door power window.

   OK

   Manual UP/DOWN function operates normally.

NG → See step   12 

OK: Go to next step 

1. Use the Data List to check if the power window regulator motor is functioning properly.
   RL-DOOR MOTOR:
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   RL Door P/W Auto SW	Rear power window LH auto UP/DOWN switch signal / ON or OFF	ON: Rear power window LH auto UP/DOWN switch operated OFF: Rear power window switch LH not operated	-

   OK

   Techstream display changes normally when rear power window switch LH is operated.

NG → See step   4 

OK → See step   7 

1. Disconnect the O18 switch connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Disconnect the O19 motor connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   O18-4 (AUTO) - O19-4 (AUTO)	Always	Below 1 Ω
   O18-4 (AUTO) or O19-4 (AUTO) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: Go to next step 

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Remove the switch.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Switch Condition	Specified Condition
   O18-4 (AUTO) - O18-5 (GND)	AUTO UP/DOWN operation	Below 1 Ω

NG → See step   9 

OK → See step   7