Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM1000000026YPF |
Model Year Start: 2023 |
Model: GR Corolla |
Prod Date Range: [09/2022 - 11/2022] |
Title: WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM (for TMC Made): B231F96; RR-Door P/W Motor Component Internal Failure; 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022] |
DTC
|
B231F96
|
RR-Door P/W Motor Component Internal Failure
|
DESCRIPTION
The main body ECU (multiplex network body ECU) communicates with the power window regulator motor assembly RH (for rear RH door) via LIN communication.
This DTC is stored when a power window regulator motor assembly RH (for rear RH door) is malfunctioning, or the ECU built into the power window regulator motor assembly RH (for rear RH door) determines that the fully closed power window position has deviated approximately 20 mm (0.787 in.) or more from the normal position.
DTC No.
|
Detection Item
|
DTC Detection Condition
|
Trouble Area
|
DTC Output from
|
B231F96
|
RR-Door P/W Motor Component Internal Failure
|
-
Either condition is met:
-
Power window regulator motor assembly RH (for rear RH door) is malfunctioning
-
ECU in power window regulator motor assembly RH (for rear RH door) determines that fully closed power window position has deviated approx. 20 mm (0.787 in.) or more from normal position
|
-
Incorrect installation of power window components
-
Overheated power window regulator motor assembly RH (for rear RH door)
-
Power window regulator motor assembly RH (for rear RH door)
-
Wire harness or connector
|
Main Body
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
Inspect the fuses for circuits related to this system before performing the following procedure.
-
If a power window regulator motor assembly RH (for rear RH door) has been replaced with a new one, initialize the power window control system.
Click here
-
If a power window regulator motor assembly RH (for rear RH door) and door window regulator sub-assembly have been removed and installed, or if a power window regulator motor assembly RH (for rear RH door) was reused when a door glass or door glass run was replaced, initialize the power window control system.
Click here
-
The power window control system uses the LIN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the power window control system after confirming that the communication system is functioning properly.
Click here
PROCEDURE
(a) Clear the DTCs.
Body Electrical > Main Body > Clear DTCs
NEXT
|
|
|
(a) Check for DTCs.
Body Electrical > Main Body > Trouble Codes
Result
|
Proceed to
|
B231E96 is output
|
A
|
B231E96 is not output
|
B
|
A
|
|
|
3.
|
CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MOTOR ASSEMBLY RH (for Rear RH Door) - AUXILIARY BATTERY AND BODY GROUND)
|
(a) Disconnect the M2 power window regulator motor assembly RH (for rear RH door) connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection
|
Condition
|
Specified Condition
|
M2-2 (B) - Body ground
|
Always*1
Ignition switch off*2
|
11 to 14 V
|
-
*1: for Gasoline Model
-
*2: for HV Model
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
M2-1 (GND) - Body ground
|
Always
|
Below 1 Ω
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
4.
|
PERFORM ACTIVE TEST USING GTS
|
(a) Perform the Active Test according to the display on the GTS.
Body Electrical > Main Body > Active Test
Tester Display
|
Measurement Item
|
Control Range
|
Diagnostic Note
|
RR Door Power Window UP
|
Rear RH door power window up activate
|
OFF/ON
|
-
|
RR Door Power Window DOWN
|
Rear RH door power window down activate
|
OFF/ON
|
-
|
Body Electrical > Main Body > Active Test
Tester Display
|
RR Door Power Window UP
|
Body Electrical > Main Body > Active Test
Tester Display
|
RR Door Power Window DOWN
|
HINT:
Up and down movement does not occur if the arrow is not pressed and held.
OK:
Rear RH Door power window operates normally.
OK
|
|
|
5.
|
PERFORM INITIALIZATION
|
(a) Initialize the power window regulator motor assembly RH (for rear RH door).
Click here
NEXT
|
|
|
6.
|
CHECK POWER WINDOW CONTROL SYSTEM
|
(a) Check that the rear RH door power window operates normally by opening and closing it.
Click here
OK:
Rear RH door power window operates normally.
OK
|
|
|
7.
|
CHECK WHETHER PARTS HAVE BEEN INSTALLED CORRECTLY
|
(a) Check that the rear RH door power window components are installed correctly.
OK:
Rear RH door power window components are installed correctly.
OK |
|
END (OVERHEATED POWER WINDOW REGULATOR MOTOR ASSEMBLY RH (for Rear RH Door) WAS DEFECTIVE)
|
NG |
|
INSTALL PARTS CORRECTLY
|
|