Toyota Venza manuals

Toyota Venza: TC and CG Terminal Circuit

DESCRIPTION

Connecting terminals TC and CG of the DLC3 causes the system to enter self-diagnostic mode. If a malfunction is present, the MIL will blink.

HINT:

When a particular warning light remains blinking, a ground short in the wiring of terminal TC of the DLC3 or an internal ground short in the relevant ECU is suspected.

WIRING DIAGRAM


PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (DLC3 - ECM)

(a) Disconnect the ECM connector.


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

Standard Resistance:

For 1AR-FE

Tester Connection

Condition

Specified Condition

D1-13 (TC) - A49-7 (TC)

Always

Below 1 Ω

For 2GR-FE

Tester Connection

Condition

Specified Condition

D1-13 (TC) - A41-16 (TC)

Always

Below 1 Ω

Text in Illustration

*1

DLC3

*2

Front view of wire harness connector

(to ECM)

*3

for 1AR-FE

*4

for 2GR-FE

(c) Reconnect the ECM connector.


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR (DLC3 - ECM)


OK

2.

CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND)


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

Standard Resistance:

Tester Connection

Condition

Specified Condition

D1-4 (CG) - Body ground

Always

Below 1 Ω

Text in Illustration

*1

DLC3


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR (DLC3 - BODY GROUND)


OK

3.

CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND)


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

Standard Resistance:

Tester Connection

Condition

Specified Condition

D1-13 (TC) - Body ground

Always

10 kΩ or higher

Text in Illustration

*1

DLC3


OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR OR EACH ECU

Cruise SET Indicator Light Circuit
DESCRIPTION The ECM detects a cruise control switch signal and sends it to the combination meter assembly through CAN. Then the SET indicator light comes on. The SET indicator light ci ...

1ar-fe Battery / Charging
...

Other materials about Toyota Venza:

Reverse Signal Circuit
DESCRIPTION The radio and display receiver assembly receives a reverse signal from the park/neutral position switch assembly. WIRING DIAGRAM PROCEDURE 1. CHECK BACK-UP LIGHT (a) Move the shift lever to R and check if th ...

Dtc Check / Clear
DTC CHECK / CLEAR NOTICE: When the diagnosis system is changed from normal mode to check mode or vice versa, all DTCs and freeze frame data recorded in normal mode are cleared. Before changing modes, always check and make a note of DTCs and freeze frame ...

System Description
SYSTEM DESCRIPTION 1. DESCRIPTION OF SYSTEM (a) Each tire pressure warning valve and transmitter is equipped with a tire pressure sensor and a transmitter and is installed in each tire and wheel assembly. The sensor measures the tire pressure. The measur ...

© 2016-2025 Copyright www.tovenza.com

0.1599