Toyota Venza: TC and CG Terminal Circuit

Toyota Venza Service Manual / Tire Pressure Monitoring / 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 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	Always	Below 1 Ω

Text in Illustration

Front view of wire harness connector

(to DLC3)

Front view of wire harness connector

(to Tire Pressure Warning ECU)

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

REPAIR OR REPLACE HARNESS OR CONNECTOR

Tire Pressure Warning Light Circuit

DESCRIPTION If the tire pressure warning ECU detects a malfunction, the tire pressure warning light blinks for 1 minute then stays on and tire pressure monitor is canceled at the same time. At th ...

Tire Pressure Warning Valve

...

Other materials about Toyota Venza:

SRS Warning Light does not Come ON
DESCRIPTION The SRS warning light is located on the combination meter assembly. When the SRS is normal, the SRS warning light comes on for approximately 6 seconds after the ignition switch is turned from off to ON, and then goes off automatically. If ther ...

Transmission Control Switch Circuit
DESCRIPTION When the shift lever is in S and it is moved toward "-" or "+", it is possible to select different shift ranges (1st through 6th ranges). Moving the shift lever toward "+" increases the shift range by one, and movi ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use these procedure to troubleshoot the seat belt warning system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT ...