Toyota 4Runner: 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) |
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| OK | .gif) |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
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:
Automatic transmission
Select a shift position appropriate for the driving conditions.
Shifting the shift lever
Vehicles without a smart key
system:
While the engine switch is in the “ON” position, move the shift lever with
the brake pedal depressed.
Vehicles with a s ...
System Description
SYSTEM DESCRIPTION
1. POWER WINDOW CONTROL SYSTEM DESCRIPTION
(a) The power window control system controls the power window operation using
the power window regulator motors. The main controls of this system are the multiplex
network master switch assemb ...
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