Toyota RAV4 manuals

Toyota Sienna Service Manual: Headlight Relay Circuit

DESCRIPTION

The Multiplex network body ECU controls HEAD relay when signal is received from headlight dimmer switch assembly.

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

BODY NO. 1:

BODY NO. 1

2 INSPECT HEADLIGHT RELAY

 INSPECT HEADLIGHT RELAY

  1. Inspect headlight relay continuity.

Resistance

Resistance

3 INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

  1. Measure voltage between the terminal as shown in the chart below

Voltage

Voltage

INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

REPAIR OR REPLACE HARNESS OR CONNECTOR

Ignition Switch Circuit
DESCRIPTION The Multiplex network body ECU receives the ACC and IG signals from the ignition switch. WIRING DIAGRAM INSPECTION PROCEDURE 1 READ VALUE OF INTELLIGENT TESTER Connect the in ...

DRL Relay Circuit
DESCRIPTION The Multiplex network body ECU controls the DRL No.2 relay WIRING DIAGRAM INSPECTION PROCEDURE 1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER Connect the intelligent tester to DLC ...

Other materials:

Touch screen gestures
Operations are performed by touching the screen directly with your finger. Operation method Outline Main use Touch Quickly touch and release once. Changing and selecting various settings. Drag* Touch the screen with your ...

Removal
1. DISCHARGE FUEL SYSTEM PRESSURE 2. REMOVE V-BANK COVER SUB-ASSEMBLY 3. DRAIN ENGINE COOLANT 4. REMOVE WINDSHIELD WIPER MOTOR ASSEMBLY 5. REMOVE FRONT OUTER COWL TOP PANEL SUBASSEMBLY 6. REMOVE AIR CLEANER CAP SUB-ASSEMBLY 7. REMOVE AIR CLEANER CASE SUB-ASSEMBLY 8. REMOVE INTAKE AIR SURGE TA ...

ECU Power Source Circuit
DESCRIPTION The position control ECU and switch assembly (power seat control switch and ECU) is contained in the switch assembly. During manual operation, only one switch signal is accepted. If signals are input from 2 or more switches simultaneously, all of them are ignored, except when s ...

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