Toyota 4Runner: IG Power Source Circuit

Toyota 4Runner Service Manual / Steering / Power Assist Systems / Power Steering System / IG Power Source Circuit

DESCRIPTION

When the ignition switch is turned to ON, the IG power source circuit supplies positive (+) voltage to the power steering ECU assembly.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1.	CHECK HARNESS AND CONNECTOR (POWER STEERING ECU ASSEMBLY - BATTERY AND BODY GROUND)

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

REPAIR OR REPLACE HARNESS OR CONNECTOR

Power Steering Warning Light Circuit

DESCRIPTION The power steering ECU assembly is connected to the combination meter assembly via CAN communication. If the power steering ECU assembly detects a malfunction, the power steering warn ...

Vane Pump

...

Other materials about Toyota 4Runner:

System Diagram
SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Main Body ECU Certification ECU Front door courtesy light switch LH signal Front door courte ...

Transfer Case Front Oil Seal
Components COMPONENTS ILLUSTRATION Replacement REPLACEMENT PROCEDURE 1. DRAIN TRANSFER OIL 2. REMOVE FRONT PROPELLER SHAFT ASSEMBLY (a) Remove the front propeller shaft (See page ). 3. REMOVE FRONT OUTPUT SHAFT COMPANION FLANGE SUB-ASSEMBLY ...