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:

Removal
REMOVAL PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See page ). 2. REMOVE RADIATOR RESERVE TANK ASSEMBLY (a) Remove t ...

Dtc Check / Clear
DTC CHECK / CLEAR 1. DTC CHECK USING TECHSTREAM (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Body / Air Conditioner / DTC. (e) Check for DTCs. 2. DTC CLEAR USING T ...

Satellite Radio Antenna
Components COMPONENTS ILLUSTRATION ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE ROOF HEADLINING ASSEMBLY (See page ) 2. REMOVE ROOF ANTENNA POLE SUB-ASSEMBLY 3. REMOVE SATELLITE RADIO ANTENNA ASSEMBLY (a) Disconnect the co ...