Toyota RAV4 manuals

Toyota Sienna Service Manual: Taillight Relay Circuit

DESCRIPTION

The Multiplex network body ECU controls TAIL 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 TAIL LIGHT RELAY

 INSPECT TAIL LIGHT RELAY

  1. Inspect tail light relay continuity.

Resistance

Resistance

3 INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

  1. Measure voltage between the terminal 1A-1 and body ground.

INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

Resistance

Resistance

4 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

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 ...

Headlight assembly
...

Other materials:

Fastening the seat belt (for the third center seat)
Take the plate out of the holder, and then pull down the seat belt. Push plate “A” into buckle “A” until a click sound is heard. Push plate “B” into buckle “B” until a click sound is heard. ...

Data list / active test
1. DATA LIST HINT: By the DATA LIST displayed by the intelligent tester, you can read the value of the switch, sensor, actuator and so on without removing any part. Reading the DATA LIST as the first step in troubleshooting is one of the methods to shorten the labor time.  Connect the ...

Installation
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