CRUISE CONTROL SYSTEM > TC and CG Terminal Circuit

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DESCRIPTION

Connecting terminals TC and CG of the DLC3 enables DTCs to be read through blinking patterns of the combination meter's CRUISE main indicator light.

HINT:
When a warning light of the combination meter blinks continuously, terminal TC of the DLC3 or an ECM may have a ground short.


WIRING DIAGRAM


E110507E03


INSPECTION PROCEDURE

1.CHECK WIRE HARNESS (DLC3 - ECM AND BODY GROUND)
E110516E03

  1. Disconnect the D1 DLC3 connector.

  1. Disconnect the E14 or E5 ECM connector.

  1. Measure the resistance of the wire harness side connectors.

    Standard resistance:
    1GR-FE:
    Tester Connection
    		Specified Condition
    D1-13 (TC) - E14-23 (TC)
    		Below 1 Ω
    D1-13 (TC) - Body ground
    		10 kΩ or higher
    D1-4 (CG) - Body ground
    		Below 1 Ω
    1KD-FTV:
    Tester Connection
    		Specified Condition
    D1-13 (TC) - E5-11 (TC)
    		Below 1 Ω
    D1-13 (TC) - Body ground
    		10 kΩ or higher
    D1-4 (CG) - Body ground
    		Below 1 Ω



NG
REPAIR OR REPLACE HARNESS AND CONNECTOR (DLC3 - BODY GROUND)
OK

REPLACE ECM