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
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Automatic Light Control Sensor Circuit
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Other materials:

Removal
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Confirmation of transmitter id registration
(a) Make sure that the ignition switch is off. (b) Connect the intelligent tester to DLC3. (c) Turn the ignition switch to the ON position. (d) Select "TIREPRESS" by following the prompts displayed on the intelligent tester. (e) Confirm that the data of tire pressure of all ti ...

Short to B+ in Front Passenger Side Squib Circuit
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