Toyota Tundra (2015 year). Manual — part 2468

OK

OK

NG

Go to OTHER FLOW CHART (Power Seat does not

Return to Memorized Position)

6.

READ VALUE USING TECHSTREAM (D DOOR COURTESY)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Main Body / Data List.

(e) Read the Data List according to the display on the Techstream.

Main Body

TESTER

DISPLAY

MEASUREMENT ITEM/RANGE

NORMAL CONDITION

DIAGNOSTIC

NOTE

D Door

Courtesy

Front door courtesy light switch assembly signal / ON

or OFF

ON: Driver door open

OFF: Driver door

closed

-

OK:

ON or OFF appears on the screen according to the driver door condition.

NG

Go to LIGHTING SYSTEM

7.

CHECK MEMORY CALL REGISTRATION FUNCTION

(a) When the following conditions are met, press the manual lock or unlock switch on the power

window regulator master switch assembly.

Turn the ignition switch is off.

Press and hold the M1 or M2 seat memory switch.

Driver door closed.

Carry the key.

.

SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Memory): Wire...

OK

NEXT

OK:

Buzzer sounds normally.

NG

GO TO STEP 9

8.

CHECK MEMORY CALL FUNCTION

(a) Turn the ignition switch off.

(b) Close and lock all doors.

(d) Open the driver door and check that the driver seat moves to the memorized position

.

OK:

Driver seat moves to the memorized position.

NG

Go to OTHER FLOW CHART (Wireless-linked Return

Function does not Operate)

OK

USE SIMULATION METHOD TO CHECK

9.

REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)

(a) Temporarily replace the main body ECU (driver side junction block assembly) with a new or

normally functioning one.

10.

CHECK MEMORY CALL REGISTRATION FUNCTION

(a) When the following conditions are met, press the manual lock or unlock switch on the power

window regulator master switch assembly.

Turn the ignition switch is off

Press and hold the M1 or M2 seat memory switch

Driver door closed

Carry the key

SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Memory): Wire...

.

OK:

Buzzer sounds normally.

NG

REPLACE POSITION CONTROL ECU AND SWITCH

ASSEMBLY

OK

END (MAIN BODY ECU [DRIVER SIDE JUNCTION

BLOCK ASSEMBLY] WAS DEFECTIVE)

SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Memory): Wire...

OK

Last Modified: 9-16-2014

6.6 J

Doc ID: RM000002RBB04MX

Model Year: 2015

Model: Tundra

Prod Date Range: [08/2014 - ]

Title: SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Memory): Wireless-linked Return Function does not

Operate; 2015 MY Tundra [08/2014 - ]

Wireless-linked Return Function does not Operate

DESCRIPTION

When a door is unlocked by the wireless unlock function, the main body ECU (driver side junction block assembly)

receives the door unlock signal and it stores the key ID. When the driver door is opened, the memory call and

control timing values.

INSPECTION PROCEDURE

PROCEDURE

1.

CHECK CAN COMMUNICATION SYSTEM

(a) Use the Techstream to check if the CAN communication system is functioning normally

.

OK:

CAN communication DTC is not output.

NG

Go to CAN COMMUNICATION SYSTEM

2.

CHECK FRONT POWER SEAT CONTROL SYSTEM

(a) Check the power seat control function

.

(b) Check the seat position memory function

.

(c) Check the seat position restoring function

.

(d) Check the memory call registration function

.

Result

RESULT

PROCEED TO

OK

A

SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Memory): Wire...