Toyota Tundra (2015 year). Manual — part 2175

Front Passenger Side Motor

DTC

CODE

DTC DETECTION CONDITION

TROUBLE AREA

B2312

The power window regulator switch is

stuck.

The power window regulator switch is

held in the same position for more than

20 seconds.

Power window regulator switch

assembly

Front power window regulator motor

assembly RH

Harness or connector

Power window regulator switch

assembly held in same position for

more than 20 seconds

WIRING DIAGRAM

WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL ...

INSPECTION PROCEDURE

PROCEDURE

1.

CHECK LIN COMMUNICATION SYSTEM

(a) Check for LIN communication system DTCs related to the power window control system

.

WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL ...

OK

A

OK:

LIN communication system DTCs are not output.

NG

GO TO LIN COMMUNICATION SYSTEM

2.

CHECK DTC

(a) Check where DTC B2312 is output from.

Result

RESULT

PROCEED TO

DTC B2312 output from power window regulator master switch assembly.

A

DTC B2312 output from front power window regulator motor assembly LH.

B

DTC B2312 output from front power window regulator motor assembly RH.

C

B

GO TO STEP 4

C

GO TO STEP 6

3.

READ VALUE USING TECHSTREAM (MASTER SWITCH)

(a) Use the Data List to check if the master switch is functioning properly.

Master Switch

TESTER

DISPLAY

MEASUREMENT ITEM/RANGE

NORMAL CONDITION

DIAGNOSTIC

NOTE

D Door P/W

Auto SW

Driver side power window auto UP/DOWN

switch signal / ON or OFF

OFF: Driver side switch of

master switch not operated

-

P Door P/W

Auto SW

Front passenger side power window remote

auto UP/DOWN switch signal / ON or OFF

ON: Front passenger side switch

WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL ...

TESTER

DISPLAY

MEASUREMENT ITEM/RANGE

NORMAL CONDITION

DIAGNOSTIC

NOTE

operated

P Door P/W Up

SW

Front passenger side power window remote

manual UP switch signal / ON or OFF

ON: Front passenger side switch

-

P Door P/W

Down SW

Front passenger side power window remote

manual DOWN switch signal / ON or OFF

ON: Front passenger side switch

-

Window Lock

Switch Status

Power window LOCK switch / ON or OFF

ON: Power window lock switch

in LOCK position

OFF: Power window lock switch

in UNLOCK position

-

OK:

The Techstream display changes normally when master switch is operated.

NG

REPLACE POWER WINDOW REGULATOR MASTER

SWITCH ASSEMBLY

OK

END (DUE TO KEEPING SWITCH OPERATED FOR 20

SECONDS OR MORE)

4.

READ VALUE USING TECHSTREAM (DRIVER SIDE MOTOR)

(a) Use the Data List to check if the driver side motor is functioning properly.

D-Door Motor

TESTER

DISPLAY

MEASUREMENT ITEM/RANGE

NORMAL CONDITION

DIAGNOSTIC

NOTE

D Door P/W

Auto SW

Driver side power window auto UP/DOWN

switch signal / ON or OFF

ON: Driver side switch

operated

OFF: Driver side switch

not operated

-

D Door P/W Up

SW

Driver side power window MANUAL UP switch

signal / ON or OFF

ON: Driver side switch

operated

OFF: Driver side switch

not operated

-

D Door P/W

Down SW

Driver side power window MANUAL DOWN

switch signal / ON or OFF

ON: Driver side switch

operated

OFF: Driver side switch

not operated

-

WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL ...