Toyota Tundra. Manual — part 334

Fig. 43: Power Window Regulator Master Switch
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH (see REMOVAL )

OK: Go to next step

3. CHECK HARNESS AND CONNECTOR (DOOR LOCK SWITCH - MAIN BODY ECU)

a. Disconnect the N2 switch connector.

b. Disconnect the DD ECU connector.

c. Measure the resistance according to the value(s) in the table below.

Standard resistance

HARNESS AND CONNECTOR (DOOR LOCK SWITCH - MAIN BODY ECU)
STANDARD RESISTANCE SPECIFICATION

Tester Connection

Condition Specified Condition

N2-2 (L) - DD-49 (L1)

Always

Below 1 ohms

N2-9 (UL) - DD-52 (UL1)

N2-1 (E) - Body ground

DD-49 (UL) - Body ground

Always

10 kohms or higher

DD-52 (UL1) - Body ground

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Door Lock - Tundra

Fig. 44: Identifying N2 Switch And DD ECU Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE MAIN BODY ECU

4. INSPECT DOOR CONTROL SWITCH

a. Remove the door control switch (see REMOVAL ).

b. Measure the resistance according to the value(s) in the table below.

Standard resistance

DOOR CONTROL SWITCH STANDARD RESISTANCE SPECIFICATION

Tester Connection Switch Condition Specified Condition

4 (L) - 3 (E)

Lock

Below 1 ohms

4 (L) - 3 (E)

OFF (Free)

10 kohms or higher

2 (UL) - 3 (E)
2 (UL) - 3 (E)

Unlock

Below 1 ohms

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Door Lock - Tundra

Fig. 45: Inspecting Door Control Switch
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPLACE DOOR CONTROL SWITCH (see REMOVAL )

OK: Go to next step

5. CHECK HARNESS AND CONNECTOR (FRONT DOOR CONTROL SWITCH RH - MAIN

BODY ECU AND BODY GROUND)

a. Disconnect the M5 switch connector.

b. Disconnect the DD ECU connector.

c. Measure the resistance according to the value(s) in the table below.

Standard resistance

HARNESS AND CONNECTOR (FRONT DOOR CONTROL SWITCH RH - MAIN BODY
ECU AND BODY GROUND) STANDARD RESISTANCE SPECIFICATION

Tester Connection

Condition Specified Condition

M5-4 (L) - DD-49 (L1)

Always

Below 1 ohms

M5-2 (UL) - DD-40 (UL1)

M5-3 (E) - Body ground

DD-49 (L1) - Body ground

Always

10 kohms or higher

DD-40 (L1) - Body ground

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Door Lock - Tundra

Fig. 46: Identifying Front Door Control Switch RH And Main Body ECU Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE MAIN BODY ECU

WIRELESS DOOR LOCK CONTROL SYSTEM

PARTS LOCATION

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Door Lock - Tundra