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:

Television Display Assembly Communication Error
INSPECTION PROCEDURE 1 IDENTIFY THE COMPONENT SHOWN BY THE SUB-CODE Enter the diagnostic mode. Press the preset switch "3" to change to "Detailed Information Mode". Identify the component shown by the sub-code. HINT:  "190 (radio receiver)" ...

Child restraint systems with a top tether strap (third seat)
Center seat Secure the child restraint system using the seat belt or LATCH anchors. Adjust the head restraint to the uppermost position. Latch the hook onto the anchor bracket and tighten the top tether strap. Make sure the top tether strap is securely latched. ...

Diagnosis system
1. CHECK DLC3  The vehicle's ECU uses ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. NOTICE: *: Before measuring the resistance, leave the vehicle as is for at least 1 minute and do ...

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