Toyota Venza manuals

Toyota Venza: 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 indicated by the blinking pattern of the tire pressure warning light.

WIRING DIAGRAM


HINT:

When various warning lights blink continuously, a ground short in terminal TC of the DLC3 or an internal ground short in an ECU connected to this circuit may have occurred.

CAUTION / NOTICE / HINT

NOTICE:

  • When replacing the tire pressure warning ECU, read the transmitter IDs stored in the old ECU using the Techstream and write them down before removal.
  • It is necessary to perform registration (See page ) of the transmitter IDs into the tire
    pressure warning ECU after the ECU has been replaced.

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (DLC3 - TIRE PRESSURE WARNING ECU)

(a) Disconnect the D31 ECU connector.


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

Standard Resistance:

Tester Connection

Condition

Specified Condition

D31-3 (TC) - D1-13 (TC)

Always

Below 1 Ω

D1-4 (CG) - Body ground

Text in Illustration

*1

Front view of wire harness connector

(to DLC3)

*2

Front view of wire harness connector

(to Tire Pressure Warning ECU)


OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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