Click here

CRUISE CONTROL SYSTEM (for 1WW), Diagnostic DTC:C1A03, C1A06

Click here
Click here Click here
DTC Code DTC Name
C1A03 Driving Support ECU Internal Logical Error
C1A06 Stop Light Switch Input Circuit
Click here

DESCRIPTION

DTC Code DTC Detection Condition Trouble Area
C1A03 Cruise control input signal abnormal Driving support ECU
C1A06 While cruise control main switch is on, stop light switch input signal abnormal Driving support ECU
Click here

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.

Click here

PROCEDURE


  1. Click here

    CHECK FOR DTC


    1. Clear the DTCs (Click here).

    2. Check for DTCs (Click here).

      OK
      DTC C1A03 or C1A06 is not output.
      Table 1. Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

  2. Click here

    REPLACE DRIVING SUPPORT ECUClick here

  3. Click here

    USE SIMULATION METHOD TO CHECKClick here

  4. Click here

    REPLACE DRIVING SUPPORT ECUClick here