DTC B2311: Power Window Motor Malfunction [01/2017 - ]: Procedure

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [01/2017 - ]

   Body Electrical > D-Door Motor > Clear DTCs 

   Body Electrical > P-Door Motor > Clear DTCs 

2. Check for DTCs.

   Refer to DTC CHECK / CLEAR [01/2017 - ]

   Body Electrical > D-Door Motor > Trouble Codes 

   Body Electrical > P-Door Motor > Trouble Codes 

   OK

   DTC B2311 is not output.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [01/2017 - 04/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [04/2020 - 05/2023]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [05/2023 - ] 

Result: 

NG 

See step  2

1. Check the parts which the DTCs have been output from.

   Result

   Result	Proceed to
   DTC output from D-Door Motor	A
   DTC output from P-Door Motor	B

Result: 

B 

See step  4

Result: 

A 

See step  3

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   S2-1 (GND) - Body ground	Always	Below 1 Ω

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component with harness connected (Power Window Regulator Motor Assembly LH)

2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   S2-2 (B) - S2-1 (GND)	Power switch off	11 to 14 V

   Result

   Proceed to
   OK
   NG

Result: 

OK 

See step  5

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   R2-1 (GND) - Body ground	Always	Below 1 Ω

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component with harness connected (Power Window Regulator Motor Assembly RH)

2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   R2-2 (B) - R2-1 (GND)	Power switch off	11 to 14 V

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  5

1. Perform the Active Test according to the display on the Techstream.

   Refer to DATA LIST / ACTIVE TEST [01/2017 - ]

   WARNING:

   Be careful to avoid injuries as this test causes vehicle parts to move. During the Active Test, the jam protection function will not operate.

   HINT: 

   Up and down movement does not occur if the arrow is not pressed and held.

   Body Electrical > D-Door Motor > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   Power Window	Power window	OFF / DOWN / UP	-

   Body Electrical > P-Door Motor > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   Power Window	Power window	OFF / DOWN / UP	-

   Body Electrical > D-Door Motor > Active Test 

   Tester Display
   Power Window

   Body Electrical > P-Door Motor > Active Test 

   Tester Display
   Power Window

   OK

   Each power window motor operates.

   Result

   Result	Proceed to
   OK	A
   NG (D-Door Motor)	B
   NG (P-Door Motor)	C

Result: 

B 

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH. Refer to  REMOVAL [01/2017 - 05/2023]  , or refer to  REMOVAL [05/2023 - ] 

Result: 

C 

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY RH. Refer to  REMOVAL [01/2017 - 05/2023]  , or refer to  REMOVAL [05/2023 - ] 

Result: 

A 

See step  6

1. Initialize the power window regulator motor assembly.

   Refer to INITIALIZATION [01/2017 - ]

   HINT: 

   Initialize the power window regulator motor assembly that has DTC B2311 stored in its ECU.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  7

1. Check that the power window operates normally by opening and closing the window.

   Refer to OPERATION CHECK [01/2017 - ]

   HINT: 

   Check the power window operation of the window for which DTC B2311 has been stored.

   OK

   Each power window operates normally.

   Result

   Result	Proceed to
   OK	A
   NG (Driver door power window)	B
   NG (Front passenger power window)	C

Result: 

B 

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH. Refer to  REMOVAL [01/2017 - 05/2023]  , or refer to  REMOVAL [05/2023 - ] 

Result: 

C 

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY RH. Refer to  REMOVAL [01/2017 - 05/2023]  , or refer to  REMOVAL [05/2023 - ] 

Result: 

A 

See step  8

1. Check that the power window components are installed correctly.

   OK

   Power window components are installed correctly.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END (OVERHEATED POWER WINDOW REGULATOR MOTOR WAS DEFECTIVE) 

Result: 

NG 

INSTALL PARTS CORRECTLY