Toyota RAV4 manuals

Toyota Sienna Service Manual: Light Control Switch Circuit

DESCRIPTION

This circuit detects the state of the headlight dimmer switch.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 READ VALUE OF INTELLIGENT TESTER

  1. Connect the intelligent tester to DLC3.
  2.  Turn the ignition switch ON and push the intelligent tester main switch ON.
  3.  Select the items below in the DATA LIST, and read the displays on the intelligent tester

BODY NO.1:

BODY NO.1

2 INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY

  1. Inspect headlight dimmer switch assembly

3 INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

  1. Remove the instrument panel junction block assembly.

INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

  1. Measure voltage between the each of terminals as shown in the chart below.

INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

Voltage

Voltage

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

Front Fog Light Circuit
DESCRIPTION The Multiplex network body ECU controls FOG relay when signal is received from headlight dimmer switch assembly. WIRING DIAGRAM INSPECTION PROCEDURE 1 PERFORM ACTIVE TEST BY INT ...

Automatic Light Control Sensor Circuit
DESCRIPTION The Multiplex network body ECU receives the signal from the automatic light control sensor. HINT: DTC code is output when malfunction of automatic light control sensor or open or ...

Other materials:

Check mode procedure
HINT: Intelligent tester only: Compared to normal mode, check mode is more sensitive to malfunctions. Therefore, check mode can detect the malfunctions that cannot be detected by normal mode. NOTICE:All the stored DTCs and freeze frame data are erased if: 1) the ECM is changed fro ...

No. 1 Speaker with box
COMPONENTS ON-VEHICLE INSPECTION 1. INSPECT NO.1 SPEAKER WITH BOX HINT: Remove interior parts so that the No.1 speaker with box can be seen.  Check the speaker installation. OK: The speaker is securely installed. If the result is not as specified, reinstall the No.1 s ...

Other functions
Switching between outside air and recirculated air modes Press . The mode switches between outside air mode ( appears on the display) and recirculated air mode ( appears on the display) each time the button is pressed. Defogging the windshield Defoggers are used to defog the windshield a ...

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