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:

On-vehicle inspection
1. INSPECT FOR FUEL PUMP OPERATION AND FUEL LEAK (a) Check fuel pump operation. (1) Connect the intelligent tester to the DLC3. (2) Turn the engine switch on (IG) and push the intelligent tester main switch on. NOTICE: Do not start the engine. (3) Select the following menu it ...

Removal
NOTICE: When installing, coat the parts indicated by the arrows with power steering fluid or molybdenum disulfide lithium base grease (See page PS-21). 1. INSPECT CENTER FRONT WHEEL 2. REMOVE FRONT WHEEL 3. SEPARATE TIE ROD ASSEMBLY LH SST 09628-62011 4. SEPARATE TIE ROD ASSEMBLY RH SST 096 ...

Front door lock
INSPECTION 1. INSPECT FRONT DOOR W/ MOTOR LOCK ASSEMBLY LH  Apply battery voltage to the door lock and check operation of the motor. OK HINT: If the result is not as specified, replace the door lock assembly. Measure the resistance according to the value(s) in the table ...

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