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:

Problem symptoms table
HINT: If a normal code is displayed during the diagnostic trouble code check although the trouble still occurs, check the electrical circuits for each symptom in the order given in the charts on the following pages and proceed to the page given for troubleshooting. The Matrix Chart is ...

Displaying a Bluetooth® device details
You can confirm and change the registered device details. Bluetooth® device registration status Display the “Bluetooth* Setup” screen. *: Bluetooth is a registered trademark of Bluetooth SIG, Inc. Select the device. Select “Device Info”. Following screen is displayed: ...

Control Module Performance
DTC P0607 Control Module Performance DESCRIPTION This DTC indicates a malfunction in the ECM. HINT: The ECM receives signals from each sensor to control all the functions of the cruise control with the microcomputer. When a malfunction is detected, fail-safe remains on until the ignition sw ...

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