Inspection steps

Checking diagnostic codes

Check DTC using SSM4. (Refer to CHECKING/CLEARING DIAGNOSTIC CODES )

Result

RESULT DESCRIPTION

Result	Go to
DTC output B2312.	A
DTC output B2315.	B

Replacement of the power window regulator master switch ASSY (Refer to POWER WINDOW REGULATOR MASTER SWITCH ASSY )

Reading of SSM4 data

Using the SSM4, follow the display and read the [Data monitor]. (Refer to DATA MONITOR/ACTIVE TEST )

Criteria: The normal value on the [Data monitor] is displayed properly.

SSM4 screen: [Each System] → [Power Window] → [Data monitor]

Item name	Description/display range	Normal value	Remarks
[Passenger seat AUTO SW state]	Operation signal of switch AUTO for the passenger's seat/Display range: ON-OFF	ON: AUTO switch is in operation. OFF: Neutral	-
[Passenger seat MANUAL UP SW state]	Operation signal of switch UP for the passenger's seat/Display range: ON-OFF	ON: UP switch is in operation. OFF: Neutral	-
[Passenger seat MANUAL DOWN SW state]	Operation signal of switch DOWN for the passenger's seat/Display range: ON-OFF	ON: DOWN switch is in operation. OFF: Neutral	-

OK: Go to next step

NG: Replacement of the power window regulator switch ASSY (Refer to POWER WINDOW REGULATOR SWITCH ASSY (INSTALLED TO THE FRONT SIDE) )

Inspection of the wire harness and connector (power window regulator master switch ASSY - power window regulator switch ASSY)

Measure the resistance between the terminals.

Resistance (open circuit check)

STANDARD VALUE SPECIFICATION

Inspection terminals (Terminal symbol)	Inspection conditions	Standard value
E8-2 (UART) - F6-2 (UART)	Always	Less than 1 Ω

Resistance (short circuit check)

STANDARD VALUE SPECIFICATION

Inspection terminals (Terminal symbol)	Inspection conditions	Standard value
E8-2 (UART) - chassis ground	Always	10 kΩ or more

OK: Go to next step

NG: Repair or replacement of wiring harness or connector

Replacement of the power window regulator master switch ASSY (Refer to POWER WINDOW REGULATOR SWITCH ASSY (INSTALLED TO THE FRONT SIDE) )