Tire Pressure Warning System Tc And Cg Terminal Circuit


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (DLC3 - ECU AND BODY GROUND)

TIRE PRESSURE WARNING SYSTEM - TC and CG Terminal Circuit


DESCRIPTION

DTC output mode is set by connecting terminals 13 (TC) and 4 (CG) of the DLC3. The DTCs are output by the blinking of the tire pressure warning light.

WIRING DIAGRAM


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Tire Pressure Monitoring.Tire Pressure Warning System.Tire Pressure Warning System Tc And Cg Terminal Circuit

HINT:
When each warning light blinks continuously, a ground short in the wiring of terminal TC of the DLC3 or an internal ground short in each ECU is suspected.

INSPECTION PROCEDURE

1.CHECK HARNESS AND CONNECTOR (DLC3 - ECU AND BODY GROUND)

  1. Disconnect the tire pressure warning ECU and receiver R41 connector.

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

    Standard Resistance:

    Tester Connection
    		Condition
    		Specified Condition
    G48-13 (TC) - R41-3 (TC)
    		Always
    		Below 1 Ω
    G48-13 (TC) or R41-3 (TC) - Body ground
    		Always
    		10 kΩ or higher
    G48-4 (CG) - Body ground
    		Always
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR OR EACH ECU
OK

CHECK PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (LandCruiser RM000000XMT0C9X.html)