Toyota 4Runner: Solar Sensor

Toyota 4Runner Service Manual / Vehicle Interior / Heating / Air Conditioning / Solar Sensor

Components

COMPONENTS

ILLUSTRATION

Inspection

INSPECTION

PROCEDURE

1. INSPECT AUTOMATIC LIGHT CONTROL SENSOR (SOLAR SENSOR)

(a) Connect the positive (+) lead of the battery to terminal 6 and the negative (-) lead to terminal 3, and then measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection	Condition	Specified Condition
1 (TSL) - 3 (CLTE)	Sensor subjected to electric light	0.5 to 3.0 V
1 (TSL) - 3 (CLTE)	Sensor covered with cloth	0.5 V or less
2 (TSR) - 3 (CLTE)	Sensor subjected to electric light	0.5 to 3.0 V
2 (TSR) - 3 (CLTE)	Sensor covered with cloth	0.8 V or less

HINT:

As the inspection light is moved away from the sensor, the voltage increases.
Use an incandescent light for inspection. Bring it within 30 cm (11.8 in.) of the automatic light control sensor.

NOTICE:

The connection procedure for using a digital tester, such as a TOYOTA electrical tester, is shown above.

If the result is not as specified, replace the automatic light control sensor.

Text in Illustration

*a	Component without harness connected (Automatic Light Control Sensor (Solar Sensor))

Removal

REMOVAL

PROCEDURE

1. REMOVE INSTRUMENT PANEL SUB-ASSEMBLY

(a) Remove the instrument panel sub-assembly (See page ).

2. REMOVE NO. 1 HEATER TO REGISTER DUCT

3. REMOVE NO. 2 HEATER TO REGISTER DUCT

4. REMOVE NO. 1 SIDE DEFROSTER NOZZLE DUCT

5. REMOVE NO. 2 SIDE DEFROSTER NOZZLE DUCT

6. REMOVE NO. 3 HEATER TO REGISTER DUCT

7. REMOVE AUTOMATIC LIGHT CONTROL SENSOR (SOLAR SENSOR)

(a) Disconnect the connector.

(b) Detach the 2 claws and remove the sensor.

Installation

INSTALLATION

PROCEDURE

1. INSTALL AUTOMATIC LIGHT CONTROL SENSOR (SOLAR SENSOR)

(a) Attach the 2 claws to install the sensor.

(b) Connect the connector.

2. INSTALL NO. 3 HEATER TO REGISTER DUCT

3. INSTALL NO. 2 SIDE DEFROSTER NOZZLE DUCT

4. INSTALL NO. 1 SIDE DEFROSTER NOZZLE DUCT

5. INSTALL NO. 2 HEATER TO REGISTER DUCT

6. INSTALL NO. 1 HEATER TO REGISTER DUCT

7. INSTALL INSTRUMENT PANEL SUB-ASSEMBLY

(a) Install the instrument panel sub-assembly (See page ).

Room Temperature Sensor

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TERMINALS OF ECM 1. CHECK ECM HINT: The standard voltage at each ECM terminal is shown in the table below. In the table, first follow the information under "Condition". Look under "Terminal No. (Symbol)" for the terminals to inspect ...

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Toyota 4Runner: Solar Sensor

Room Temperature Sensor

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