Toyota Tundra. Manual — part 447

a. Remove the switch (see REMOVAL ).

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

Standard resistance

OUTER MIRROR SWITCH TESTER CONNECTION SPECIFIED CONDITION CHART

Fig. 30: Identifying Outer Mirror Switch Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REMOVE OUTER MIRROR SWITCH (see REMOVAL )

OK: Go to Next Step

11. CHECK HARNESS AND CONNECTOR (OUTER MIRROR SWITCH - MAIN BODY ECU AND

BODY GROUND)

a. Disconnect the J1 and J3 ECU connectors.

b. Disconnect the L6 switch connector.

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

Tester Connection Switch Condition Specified Condition

4 (E2) - 7 (MR)

Pressed (Retracts) 10 kohms or higher
Not pressed

Below 1 ohms

4 (E2) - 8 (MF)

Pressed (Returns)

Below 1 ohms

Not pressed

10 kohms or higher

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Mirror - Tundra

Standard resistance

HARNESS AND CONNECTOR (OUTER MIRROR SWITCH - MAIN BODY ECU AND
BODY GROUND) TESTER CONNECTION SPECIFIED CONDITION CHART

Fig. 31: Identifying J1 And J3 ECU Connectors Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Tester Connection

Condition Specified Condition

J1-9(AMR)-L6-7(MR)

Always

Below 1 ohms

J3-6 (RET) - L6-8 (MF)

L6-4 (E2) - Body ground

L6-7 (MR) - Body ground

Always

10 kohms or higher

L6-8 (MF) - Body ground

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Mirror - Tundra

OK: REPLACE MAIN BODY ECU

POWER MIRROR CONTROL SYSTEM (W/O MEMORY)

PARTS LOCATION

Fig. 32: Identifying Power Mirror Control System (W/O Memory) Components Location (1 Of 2)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Mirror - Tundra

Fig. 33: Identifying Power Mirror Control System (W/O Memory) Components Location (2 Of 2)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

SYSTEM DIAGRAM

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Mirror - Tundra