Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power Window Switch LH: Procedure

1. Clear the DTCs. Refer to DTC CHECK / CLEAR .
2. Check for DTCs. Refer to DTC CHECK / CLEAR .
   RESULT
   
   

   Result	Proceed to
   DTC is not output	A
   DTC B2311 is output	B
   DTC B2312 is output	C
   DTC B2313 is output	D

B → See step   6 

C → See step   7 

D → See step   8 

A: Go to next step 

1. Check that the manual up/down function using the rear power window regulator switch can operate the rear power window regulator motor. Refer to OPERATION CHECK .

   OK

   Manual up/down function operates.

NG → See step   9 

OK: Go to next step 

1. Use the Data List to check if the rear power window regulator is functioning properly. Refer to DATA LIST / ACTIVE TEST .
   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 signal / ON or OFF	ON: Rear power window LH auto up/down switch operated OFF: Rear power window LH switch not operated	-

   OK

   On tester screen, item changes between ON and OFF according to above chart.

NG → See step   4 

OK → See step   11 

1. Remove the rear power window regulator switch. Refer to REMOVAL .
   Fig 1: Identifying Power Window Regulator Switch Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   8 (AUTO) - 1 (GND)	Auto up/down operation	Below 1 Ω
   8 (AUTO) - 1 (GND)	Not operated	10 kΩ or higher

NG → See step   10 

OK: Go to next step 

1. Disconnect the j1 rear power window regulator switch connector.
2. Disconnect the K2 power window regulator motor connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   j1-8 (AUTO) - K2-4 (AUTO)	Always	Below 1 Ω
   j1 (GND) - Body ground	Always	Below 1 Ω
   j1-8 (AUTO) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   11