RM35X0E _55 Steering _078944 POWER ASSIST SYSTEMS _0382923 POWER STEERING SYSTEM(w/ Variable Flow Control Solenoid Valve) J

POWER ASSIST SYSTEMS  POWER STEERING SYSTEM(w/ Variable Flow Control Solenoid Valve)  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

C411189E01
0.646,0.646 1.563,0.854 0.917,0.208 10 false from IG Circuit 3.729,0.813 4.948,1.104 1.219,0.292 10 false ECU-IG1 NO. 3 5.521,2.885 5.927,3.083 0.406,0.198 10 false N36 5.531,3.042 6.823,3.469 1.292,0.427 10 false Power Steering ECU Assembly 5.802,2.313 6.177,2.479 0.375,0.167 10 false GND 5.802,0.615 6.083,0.802 0.281,0.188 10 false IG 5.594,0.521 5.781,0.708 0.188,0.188 10 false 5 5.615,2.229 5.802,2.417 0.188,0.188 10 false 3

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)
a.

Disconnect the power steering ECU assembly connector.


b.
C411187C01
1.479,0.24 1.917,0.5 0.438,0.26 1.448,1.365 1.094,1.698 true 1.823,1.365 2.177,1.698 true 0.063,0.021 0.26,0.177 0.198,0.156 10 false *a 2.125,1.729 2.365,1.896 0.24,0.167 10 false IG 0.906,1.729 1.292,1.875 0.385,0.146 10 false GND 1.552,0.292 1.958,0.5 0.406,0.208 10 false N36
*a Front view of wire harness connector
(to Power Steering ECU Assembly)


Measure the voltage according to the value(s) in the table below.

Standard Voltage:
Tester Connection Switch Condition Specified Condition
N36-5 (IG) - Body ground Ignition switch ON 11 to 14 V



c.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
N36-3 (GND) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

GO TO POWER STEERING SYSTEM (PROBLEM SYMPTOMS TABLE)

Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM (w/ Variable Flow Control Solenoid Valve)>PROBLEM SYMPTOMS TABLE


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR