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DYNAMIC RADAR CRUISE CONTROL SYSTEM TC and CG Terminal Circuit

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DTC Code DTC Name
  TC and CG Terminal Circuit
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DESCRIPTION

Connecting terminals TC and CG of the DLC3 causes the dynamic radar cruise control system to enter self-diagnostic mode. If a malfunction is present, the cruise control indicator light will blink.

Tip:

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.

Table 1. *a Power Management Control ECU
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WIRING DIAGRAM

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PROCEDURE


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    CHECK HARNESS AND CONNECTOR (TERMINAL TC of DLC3 - POWER MANAGEMENT CONTROL ECU)


    1. Disconnect the H1 power management control ECU connector.

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

      Standard Resistance (Check for Open)
      Tester Connection Condition Specified Condition
      H29-13 (TC) - H1-11 (TC) Always Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition
      H29-13 (TC) or H1-11 (TC) - Body ground Always 10 kΩ or higher

    3. Reconnect the H1 power management control ECU connector.


    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  2. Click here

    CHECK HARNESS AND CONNECTOR (TERMINAL CG of DLC3 - BODY GROUND)


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

      Standard Resistance (Check for Open)
      Tester Connection Condition Specified Condition
      H29-4 (CG) - Body ground Always Below 1 Ω

    • OK

      PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)

    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR