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:

Installation
1. INSTALL STABILIZER BAR FRONT 2. INSTALL FRONT STABILIZER BAR BUSH NO.1 (a) Install the front stabilizer bar bush No. 1. HINT: Install the bushing to the outer side of the bushing stopper on the stabilizer bar as shown in the illustration. 4. INSTALL RACK & PINION POWER STEERING GEA ...

Disassembly
1. REMOVE RADIATOR WATER INLET (a) Remove the 2 bolts and radiator water inlet. 2. REMOVE DRAIN PLUG (a) Remove the drain plug and air drain plug. (b) Remove the 2 O-rings. 3. REMOVE LOWER RADIATOR TANK (a) Install the claw to the overhaul handle, inserting it in the hole in Part A ...

Road test
1. PROBLEM SYMPTOM CONFIRMATION (a) Based on the result of the customer problem analysis, try to reproduce the symptoms. If the problem is that the transaxle does not shift up, shift down, or the shift point is too high or too low, conduct the following road test referring to the automatic shi ...

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