Toyota Tundra. Manual — part 436

REFERENCE

If the result is not as specified, replace the rheostat.

INSTALLATION

1. INSTALL LIGHT CONTROL RHEOSTAT

a. Attach the 2 claws to install the rheostat.

Fig. 78: Identifying Rheostat And Claws
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2. INSTALL INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY (see INSTALLATION )

DRIVE MONITOR SWITCH

COMPONENTS

Tester Connection Switch Condition Specified Condition

3 (RV) - 1 (E)

Downside --> Upside

See illustration

5 (TC) - 1 (E)

7 (T) - 1 (E)

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Meter - Tundra

Fig. 79: Identifying Drive Monitor Switch Components
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

REMOVAL

1. REMOVE INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY (see REMOVAL )

2. REMOVE DRIVE MONITOR SWITCH

a. Detach the 2 claws and remove the monitor switch.

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Meter - Tundra

Fig. 80: Identifying Monitor Switch And Claws
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION

1. INSPECT DRIVE MONITOR SWITCH

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

Fig. 81: Identifying Drive Monitor Switch Connector Terminal
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Standard resistance

DRIVE MONITOR SWITCH RESISTANCE REFERENCE

Tester Connection

Switch Condition

Specified Condition

2 (MODE) - 5 (E)

Info switch off

10 kohms or higher

Info switch on

Below 1 ohms

3 (REST) - 5 (E)

Select reset switch off 10 kohms or higher

Select reset switch on

Below 1 ohms

4 (SET) - 5 (E)

Setup us/m switch off 10 kohms or higher

Setup us/m switch on

Below 1 ohms

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Meter - Tundra

If the result is not as specified, replace the monitor switch.

b. Inspect the switch illumination.

1. Connect the battery's positive (+) lead to terminal 1 (ILL+) and the negative (-) lead to

terminal 6 (ILL-).

2. Check that the light comes on.

OK: LED comes on.

If the result is not as specified, replace the monitor switch.

INSTALLATION

1. INSTALL DRIVE MONITOR SWITCH

a. Attach the 2 claws to install the monitor switch.

Fig. 82: Identifying Monitor Switch And Claws
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2. INSTALL INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY (see INSTALLATION )

7 (IG) - 8 (SK)

Sonar switch off

10 kohms or higher

Sonar switch on

Below 1 ohms

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Meter - Tundra