The main body ECU (multiplex network body ECU) communicates with the multiplex network master switch assembly and power window regulator motor assembly LH (for driver door) via LIN communication.
This DTC is stored when a power window regulator motor assembly LH (for driver door) is malfunctioning, or the ECU built into the power window regulator motor assembly LH (for driver 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 |
|---|---|---|---|---|
| B231D96 | D-Door P/W Motor Component Internal Failure | Either condition is met: (a)
Power window regulator motor assembly LH (for driver door) is malfunctioning (b)
ECU in power window regulator motor assembly LH (for driver 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 LH (for driver door) ·
Power window regulator motor assembly LH (for driver door) ·
Wire harness or connector |
Main Body |
Inspect the fuses for circuits related to this system before performing the following procedure.
If a power window regulator motor assembly LH (for driver door) has been replaced with a new one, initialize the power window control system.
If a power window regulator motor assembly LH (for driver door) and door window regulator sub-assembly have been removed and installed, or if a power window regulator motor assembly LH (for driver door) was reused when a door glass or door glass run was replaced, initialize the power window control system.
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.
Clear the DTCs.
| Proceed to |
|---|
| NEXT |
NEXT
Check for DTCs.
| Result | Proceed to |
|---|---|
| B231D96 is output | A |
| B231D96 is not output | B |
A
B
Disconnect the L2 power window regulator motor assembly LH (for driver door) connector.
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| L2-2 (B) - Body ground | Always*1
Ignition switch off*2 |
11 to 14 V |
*1: for Gasoline Model
*2: for HV Model
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| L2-1 (GND) - Body ground | Always | Below 1 Ω |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Perform the Active Test according to the display on the GTS.
| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| D Door Power Window UP | Driver door power window up activate | OFF/ON | - |
| D Door Power Window DOWN | Driver door power window down activate | OFF/ON | - |
| Tester Display |
|---|
| D Door Power Window UP |
| Tester Display |
|---|
| D Door Power Window DOWN |
Up and down movement does not occur if the arrow is not pressed and held.
Driver door power window operates normally.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Initialize the power window regulator motor assembly LH (for driver door).
| Proceed to |
|---|
| NEXT |
NEXT
Check that the driver door power window operates normally by opening and closing it.
Driver door power window operates normally.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Check that the driver door power window components are installed correctly.
Driver door power window components are installed correctly.
| Proceed to |
|---|
| OK |
| NG |
OK
NG