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, DTCs will be output.

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

D20 DLC3

D20 DLC3

Ecu Circuit Internal Images

INSPECTION PROCEDURE

CHECK WIRE HARNESS (TC of DLC3 - ECM)

Dlc3 2004 Avalon

(a) Disconnect the A24 connector from the ECM.

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

Standard resistance

Tester Connection

Condition

Specified Condition

TC (A24-23) - TC (D20 -13)

Always

Below 1 q

REPAIR OR REPLACE HARNESS OR CONNECTOR (DLC3 - ECM)

CHECK WIRE HARNESS (CG of DLC3 - BODY GROUND)

Avalon Ecm Circuit Check Without Vehicle

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

Tester Connection

Condition

Specified Condition

D20-4 (CG) - Body ground

Always

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

CHECK WIRE HARNESS (TC of DLC3 - BODY GROUND)

Dlc3 Prius

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

Tester Connection

Condition

Specified Condition

D20-13 (TC) - Body ground

Always

10 kQ or higher

REPAIR OR REPLACE WIRE HARNESS OR ECU

REPLACE ECM

CRUISE CONTROL MAIN SWITCH COMPONENTS

1kzte Timing Control Valve
Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

Get My Free Ebook


Responses

  • amina
    How to connect tc and Cg in. the motor?
    1 year ago
  • Ilberic
    What happen jump tc and cg prius?
    11 months ago
  • miikka
    How to connect the wire to the DLC3 connector to?
    5 months ago
  • patrizio
    How to1nd dlc3 circuit?
    1 month ago

Post a comment