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:

Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART HINT: If a trouble code is displayed during the DTC check, inspect the circuit listed for that code. For details of each code, refer to the relevant page listed under respective "DTC Code" in the DTC chart. Tire P ...

BUS IC Communication Malfunction (B1497/97)
DESCRIPTION The air conditioning harness connects the A/C amplifier and each servo. The A/C amplifier supplies power and sends operation instructions to each servo through the air conditioning harness. Each servo sends the damper position information to ...

Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The procedure listed below is for the LH side. PROCEDURE 1. PRECAUTION CAUTION: Be sure to read Precaution thoroughly before servicing (See page ...