Toyota Tundra. Manual — part 2519
If the result is not as specified, replace the switch.
b. Inspect the switch illumination.
1. Connect the battery's positive (+) lead to terminal 1 (ILL+) and the negative (-) lead to
terminal 4 (ILL-).
2. Check that the door courtesy light comes on.
OK: Light comes on.
If the result is not as specified, replace the light switch.
INSTALLATION
1. INSTALL CARGO LIGHT SWITCH
a. Attach the 2 claws to install the light switch.
Fig. 234: Identifying Cargo Light Switch Claws
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2. INSTALL LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY LH
3. INSTALL INSTRUMENT SIDE PANEL LH (See INSTALLATION )
4. INSTALL COWL SIDE TRIM BOARD LH (See INSTALLATION )
5. INSTALL FRONT DOOR SCUFF PLATE LH (for Regular Cab) (See INSTALLATION )
6. INSTALL FRONT DOOR SCUFF PLATE LH (for Double Cab) (See INSTALLATION )
AUTOMATIC LIGHT CONTROL SENSOR
COMPONENTS
5 (FCTY) - 9 (FLON)
Cargo light switch DOOR
Below 1 ohms
Cargo light switch OFF
10 kohms or higher
10 (FLMP) - 7 (E)
Cargo light switch ON
Below 1 ohms
Cargo light switch DOOR
10 kohms or higher
Cargo light switch OFF
2009 Toyota Tundra
2009 ACCESSORIES AND EQUIPMENT Lighting - Tundra
Fig. 235: Identifying Automatic Light Control Sensor Components
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
ON-VEHICLE INSPECTION
1. INSPECT AUTOMATIC LIGHT CONTROL SENSOR
a. Connect the voltmeter's positive (+) lead to terminal K19-6 (CLTB) and the negative (-) lead to
terminal K19-3 (CLTE).
Fig. 236: Identifying Automatic Light Control Sensor Connector Terminals
2009 Toyota Tundra
2009 ACCESSORIES AND EQUIPMENT Lighting - Tundra
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Measure the voltage according to the value(s) in the table below.
Standard voltage
K19-6 (CLTB)TO TERMINAL K19-3 (CLTE)
c. Measure the resistance according to the value(s) in the table below.
Standard resistance
AUTOMATIC LIGHT CONTROL SENSOR
d. Reconnect the K19 sensor connector.
e. Check the waveform according to the value(s) in the table below.
Fig. 237: Identifying Automatic Light Control Sensor Waveform Graph
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Waveform
AUTOMATIC LIGHT CONTROL SENSOR RECONNECT
HINT:
If the ambient light becomes brighter, width A becomes narrower.
If the result is not as specified, replace the automatic light control sensor.
Tester Connection
Switch Condition Specified Condition
K19-6 (CLTB) - K19-3 (CLTE) Ignition switch ON
11 to 14 V
Tester Connection
Switch Condition Specified Condition
K19-3 (CLTE) - Body ground
Always
Below 1 ohms
Tester Connection
Tool Setting
Switch Condition
Specified Condition
K19-3 (CLTE) -K19-5
(CUTS)
5 V/DIV., 5
msec./ DIV.
Ignition switch ON, Headlight
dimmer switch AUTO
Correct waveform is
as shown
2009 Toyota Tundra
2009 ACCESSORIES AND EQUIPMENT Lighting - Tundra
REMOVAL
1. REMOVE INSTRUMENT PANEL SUB-ASSEMBLY
a. for Column Shift Type:
Remove the instrument panel (see REMOVAL ).
b. for Floor Shift Type:
Remove the instrument panel (see REMOVAL ).
2. REMOVE AUTOMATIC LIGHT CONTROL SENSOR
a. Disconnect the connector.
b. Remove the 2 claws and sensor.
Fig. 238: Locating Automatic Light Control Sensor Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
INSTALLATION
1. INSTALL AUTOMATIC LIGHT CONTROL SENSOR
a. Attach the 2 claws to install the sensor.
b. Connect the connector.
Fig. 239: Locating Automatic Light Control Sensor Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2009 Toyota Tundra
2009 ACCESSORIES AND EQUIPMENT Lighting - Tundra
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