Variable Gear Ratio Steering System Master Warning Light Malfunction

Steering. Land Cruiser. Urj200, 202 Grj200 Vdj200
Variable Gear Ratio Steering. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK BATTERY

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (COMBINATION METER)

VARIABLE GEAR RATIO STEERING SYSTEM - Master Warning Light Malfunction


DESCRIPTION

If the steering control ECU detects that the VGRS system has a malfunction, warning information is transmitted to the combination meter via CAN communication.
The combination meter will turn the master warning light on based on this information.
Warning information is transmitted via the following route:
  1. Steering control ECU → (CAN) → Network gateway ECU → (CAN) → Combination meter
Connecting terminals TC and CG of the DLC3 makes the master warning light blink and outputs DTCs.

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Variable Gear Ratio Steering.Variable Gear Ratio Steering System.Variable Gear Ratio Steering System Master Warning Light Malfunction


INSPECTION PROCEDURE

HINT:
Check that there is no problem in CAN communication before performing the following procedure.
If there are any problems in CAN communication, first troubleshoot them and then proceed to the troubleshooting below.
1.CHECK BATTERY

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

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Condition
    Positive (+) battery terminal - negative (-) battery terminal
    		Always
    		11 to 14 V


NG
RECHARGE OR REPLACE BATTERY
OK


2.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (COMBINATION METER)

  1. Select the Active Test, use the intelligent tester to generate a control command, and then check that the master warning light turns on/off.

    Combination Meter:
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    Master Warning
    		Master warning light
    		OFF/ON
    		Confirm that the vehicle is stopped and the engine is running
    OK:
    Indicator light turns on/off.
    Result
    Result
    		Proceed to
    NG
    		A
    OK (for LHD)
    		B
    OK (for RHD)
    		C


B
REPLACE STEERING CONTROL ECU (Click here)

C
REPLACE STEERING CONTROL ECU (Click here)
A

GO TO METER / GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (Click here)