POWER STEERING SYSTEM > TS and CG Terminal Circuit

for Preparation Click here


DESCRIPTION

In Test Mode (signal check), a malfunction in a speed sensor that cannot be detected when the vehicle is stopped can be detected while driving.
Sensor check mode can be entered by connecting terminals TS and CG of the DLC3 and turning the ignition switch from off to ON (IG).

WIRING DIAGRAM


C167369E45


INSPECTION PROCEDURE

NOTICE:
If the power steering ECU assembly has been replaced with a new one, perform assist map writing and torque sensor zero point calibration (Click here).
1.CHECK HARNESS AND CONNECTOR (POWER STEERING ECU ASSEMBLY - TS of DLC3)

  1. Disconnect the power steering ECU assembly connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    G6-6 (TS) - G4-12 (TS)
    		Always
    		Below 1 Ω
    G6-6 (TS) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


2.CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND)


    C207407E51

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    G4-4 (CG) - Body ground
    		Always
    		Below 1 Ω
    Text in Illustration 
    *a
    		Front view of DLC3


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE POWER STEERING ECU ASSEMBLY (Click here)