Cruise Control System Tc And Cg Terminal Circuit


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (DLC3 - ECM AND BODY GROUND)

CRUISE CONTROL SYSTEM - TC and CG Terminal Circuit


DESCRIPTION

Connecting terminals 13 (TC) and 4 (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 continues blinking, a ground short in the wiring of terminal 13 (TC) of the DLC3 or an internal ground short in the relevant ECU is suspected.

WIRING DIAGRAM


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Cruise Control.Cruise Control System.Cruise Control System Tc And Cg Terminal Circuit


INSPECTION PROCEDURE

1.CHECK HARNESS AND CONNECTOR (DLC3 - ECM AND BODY GROUND)
Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Cruise Control.Cruise Control System.Cruise Control System Tc And Cg Terminal Circuit

  1. Disconnect the E14*1 or E4*2 ECM connector.

    1. *1: for 1GR-FE
    2. *2: for 1KD-FTV

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

    Standard Resistance:
    for 1GR-FE:
    Tester Connection
    		Condition
    		Specified Condition
    D3-13 (TC) - E14-23 (TC)
    		Always
    		Below 1 Ω
    D3-13 (TC) - Body ground
    		Always
    		10 kΩ or higher
    D3-4 (CG) - Body ground
    		Always
    		Below 1 Ω
    for 1KD-FTV:
    Tester Connection
    		Condition
    		Specified Condition
    D3-13 (TC) - E4-11 (TC)
    		Always
    		Below 1 Ω
    D3-13 (TC) - Body ground
    		Always
    		10 kΩ or higher
    D3-4 (CG) - Body ground
    		Always
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE ECM