Toyota RAV4 manuals

Toyota Sienna Service Manual: Illumination Circuit

DESCRIPTION

The Multiplex network body ECU controls illumination light as shown in the chart below.

  1.  Room light assembly (Interior light, luggage component light) and courtesy light with DOOR position
  2.  Map light assembly (Personal light)
  3. Transponder key amplifier (Ignition key cylinder light)

WIRING DIAGRAM

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 PERFORM ACTIVE TEST BY 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 item below in the ACTIVE TEST and then check that the relay operates

DATA LIST / AIR CONDITIONER

2 INSPECT LIGHT CONTROL RELAY

 INSPECT LIGHT CONTROL RELAY

  1. Check that there is resistance between the terminals at each switch position as shown in the chart.

Resistance

Resistance

3 INSPECT INTERIOR DOME LIGHT SWITCH ASSEMBLY

INSPECT INTERIOR DOME LIGHT SWITCH ASSEMBLY

  1. Inspect interior dome light relay continuity.

Resistance

Resistance

4 INSPECT INTERIOR LIGHT

  1. Inspect the each of interior light

5 INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

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

INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

Voltage

Voltage

Voltage

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

Door LOCK Position Circuit
DESCRIPTION This circuit detects the state of the door lock detection sensor and send it to the Multiplex network body ECU. WIRING DIAGRAM INSPECTION PROCEDURE 1 READ VALUE OF INTELLIGENT T ...

Parking Brake Switch Circuit
DESCRIPTION The Multiplex network body ECU receives parking brake switch signal. WIRING DIAGRAM INSPECTION PROCEDURE 1 READ VALUE OF INTELLIGENT TESTER Connect the intelligent tester to DL ...

Other materials:

Precaution
Caution: The vehicle is equipped with a supplemental restraint system (srs). It consists of a driver airbag, front passenger airbag, front seat side airbag, curtain shield airbag, and front seat belt pretensioner. Failure to carry out service operations in the correct sequ ...

Rear evaporator temperature sensor circuit
DESCRIPTION The rear evaporator temperature sensor is installed on the rear evaporator. It detects the rear evaporator temperature. The sensor sends a signal to the A/C amplifier. The resistance of the rear evaporator temperature sensor changes in accordance with the rear evaporator temperatu ...

Transmitter ID not Registered
DTC C2171/71 Transmitter ID not Registered DESCRIPTION The IDs of each tire pressure warning valve and transmitters are registered to the tire pressure warning ECU. When the IDs have never been registered, a DTC is output. INSPECTION PROCEDURE NOTICE: When replacing the tire pressu ...

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