Toyota Tundra. Manual — part 446

7. CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR LH - OUTER

MIRROR CONTROL ECU)

a. Disconnect the N7 ECU connector.

b. Disconnect the N5 mirror connector.

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

Standard resistance

HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR LH - OUTER MIRROR
CONTROL ECU) TESTER CONNECTION SPECIFIED CONDITION CHART

Fig. 27: Identifying N7 ECU And N5 Mirror Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: END (OUTER MIRROR CONTROL ECU IS DEFECTIVE)

Tester Connection

Condition Specified Condition

N7-1 (MR+) - N5-7 (MR)

Always

Below 1 ohms

N7-2 (MR-) - N5-8 (MF)

N5-7 (MR) - Body ground

Always

10 kohms or higher

N5-8 (MF) - Body ground

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Mirror - Tundra

8. INSPECT OUTER REAR VIEW MIRROR RH

a. Remove the mirror RH (see REMOVAL ).

b. For each mirror position: Disconnect the battery, set the mirror position by hand, connect the

battery, and check the retractable mirror's movement.

OK

OUTER REAR VIEW MIRROR RH MEASUREMENT CONDITION SPECIFIED
CONDITION CHART

NOTE:



Disconnect and reconnect the battery once between each mirror
position check.



The mirror position cannot be changed manually when the
battery is connected. To change the mirror position manually,
the battery must be disconnected first.

Measurement Condition

Mirror Position

Specified Condition

Battery positive (+) -->

Terminal 7 (MR)

Battery negative (-) -->

Terminal 8 (MF)

Forward position (A)

Moves from (A) to
retracted position (E)

Battery negative (-) -->

Terminal 7 (MR)

Battery positive (+) -->

Terminal 8 (MF)

Forward position (A)

Does not move

Battery positive (+) -->

Terminal 7 (MR)

Battery negative (-) -->

Terminal 8 (MF)

Position between forward position (A)
and driving position (C)

Moves from (B) to
retracted position (E)

Battery negative (-) -->

Terminal 7 (MR)

Battery positive (+) -->

Terminal 8 (MF)

Position between forward position (A)
and driving position (C)

Moves from (B) to forward
position (A)

Battery positive (+) -->

Terminal 7 (MR)

Battery negative (-) -->

Terminal 8 (MF)

Driving position (C)

Moves from (C) to
retracted position (E)

Battery negative (-) -->

Terminal 7 (MR)

Battery positive (+) -->

Terminal 8 (MF)

Driving position (C)

Does not move

Battery positive (+) -->

Terminal 7 (MR)

Battery negative (-) -->

Terminal 8 (MF)

Position between driving position (C)
and retracted position (E)

Moves from (D) to
retracted position (E)

Battery negative (-) -->

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Mirror - Tundra

Fig. 28: Identifying Outer Rear View Mirror RH Position
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPLACE OUTER REAR VIEW MIRROR RH (see REMOVAL )

OK: Go to Next Step

9. CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR RH - OUTER

MIRROR CONTROL ECU)

Terminal 7 (MR)

Battery positive (+) -->

Terminal 8 (MF)

Position between driving position (C)
and retracted position (E)

Moves from (D) to driving
position (C)

Battery positive (+) -->

Terminal 7 (MR)

Battery negative (-) -->

Terminal 8 (MF)

Retracted position (E)

Does not move

Battery negative (-) -->

Terminal 7 (MR)

Battery positive (+) -->

Terminal 8 (MF)

Retracted position (E)

Moves from (E) to driving
position (C)

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Mirror - Tundra

a. Disconnect the N7 ECU connector.

b. Disconnect the M6 mirror connector.

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

Standard resistance

HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR RH - OUTER MIRROR
CONTROL ECU) TESTER CONNECTION SPECIFIED CONDITION CHART

Fig. 29: Identifying N7 ECU And M6 Mirror Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: END (OUTER MIRROR CONTROL ECU IS DEFECTIVE)

10. INSPECT OUTER MIRROR SWITCH

Tester Connection

Condition Specified Condition

N7-5 (MR+) - M6-7 (MR)

Always

Below 1 ohms

N7-6 (MR-) - M6-8 (MF)

M6-7 (MR) - Body ground

Always

10 kohms or higher

M6-8 (MF) - Body ground

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Mirror - Tundra