Power Steering System (For 1Vd-Ftv With Dpf) Power Steering Warning Light Circuit

Steering. Land Cruiser. Urj200, 202 Grj200 Vdj200
Power Assist Systems. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT CAN COMMUNICATION SYSTEM

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

PERFORM ACTIVE TEST USING GTS (METER/GAUGE SYSTEM)

POWER STEERING SYSTEM (for 1VD-FTV with DPF) - Power Steering Warning Light Circuit


DESCRIPTION

The power steering ECU is connected to the combination meter via CAN communication. If the power steering ECU detects a malfunction, the power steering warning light comes on. At this time, the vehicle enters fail-safe mode.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Power Assist Systems.Power Steering System.Power Steering System (For 1Vd-Ftv With Dpf) Power Steering Warning Light Circuit


INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
1.INSPECT CAN COMMUNICATION SYSTEM

  1. Check for DTCs of the CAN communication system.
    for LHD
    Refer to the following procedures (Click here).
    for RHD
    Refer to the following procedures (Click here).

    Result
    Result
    		Proceed to
    DTC is not output.
    		A
    DTC is output.
    		for LHD
    		B
    for RHD
    		C


B
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (Click here)

C
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (Click here)
A


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


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Power Assist Systems.Power Steering System.Power Steering System (For 1Vd-Ftv With Dpf) Power Steering Warning Light Circuit

  1. Disconnect the power steering ECU connector.

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

    Standard Voltage:
    Tester Connection
    		Switch Condition
    		Specified Condition
    E102-5 (IG) - Body ground
    		Engine switch on (IG)
    		11 to 14 V

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    E102-3 (GND) - Body ground
    		Always
    		Below 1 Ω
    Text in Illustration
    *a
    		Front view of wire harness connector
    (to Power Steering ECU)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


3.PERFORM ACTIVE TEST USING GTS (METER/GAUGE SYSTEM)

  1. Connect the GTS to the DLC3.

  1. Turn the engine switch on (IG) and turn the GTS on.

  1. Perform the Active Test of the combination meter using GTS (Click here).

    Combination Meter
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    PPS Indicator
    		Power steering warning light
    		ON or OFF
    		Perform the test with the vehicle stopped and the engine idling.

  1. Check that the power steering warning light operates in accordance with the Active Test.

    HINT:
    Reconnect the connectors and restore the vehicle to its previous condition before checking the combination meter.
    OK:
    The power steering warning light turns on and off in accordance with GTS operation.


NG
INSPECT METER/GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (Click here)
OK

REPLACE POWER STEERING ECU ASSEMBLY (Click here)