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CRUISE CONTROL SYSTEM (for 1WW), Diagnostic DTC:C1A01

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DTC Code DTC Name
C1A01 Driving Support ECU
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DESCRIPTION

DTC Code DTC Detection Condition Trouble Area
C1A01 While initial check is running, ignition switch on and system is operating, driving support ECU detects an internal malfunction for 1 second. Driving support ECU
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INSPECTION PROCEDURE

Note:

When replacing the driving support ECU, always replace it with a new one. If a driving support ECU which was installed to another vehicle is used, the information stored in the driving support ECU will not match the information from the vehicle. As a result, a DTC may be stored.

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PROCEDURE


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    CHECK FOR DTC


    1. Clear the DTCs (Click here).

    2. Check for DTCs (Click here).

      OK
      DTC C1A01 is not output.
      Table 1. Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

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    USE SIMULATION METHOD TO CHECKClick here

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    REPLACE DRIVING SUPPORT ECUClick here

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    REPLACE DRIVING SUPPORT ECUClick here