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:
Operation Check
OPERATION CHECK
NOTICE:
Perform initialization before performing the operation check.
1. CHECK AUTO OPERATION
HINT:
When pressing the switch for 0.3 seconds or less, the roof glass moves but auto
operation does not operate.
(a) Turn the ignition switch ...
Dcm Operation History
DCM OPERATION HISTORY
1. DCM OPERATION HISTORY
This function shows the telematics network status when the DCM (Telematics Transceiver)
was operated. Use this function when no DTC is stored but the telematics system
is unable to connect to the call center ...
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