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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 41 (Dynamic Radar Cruise Control System (HV) - Diagnostic Codes & Circuit Tests) >> DYNAMIC RADAR CRUISE CONTROL SYSTEM (for HV Model) >> DTC P1607-00: Cruise Control Input Processor [11/2023 - ] >> Procedure

DTC P1607-00: Cruise Control Input Processor [11/2023 - ]: Procedure

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  1. CHECK FOR DTC 
    1. Clear the DTCs.

      Powertrain > Radar Cruise 1 > Clear DTCs 

    2. Make sure that the DTC detection conditions are met.

      HINT: 

      If the detection conditions are not met, the system cannot detect the malfunction.

    3. Check for DTCs.

      Powertrain > Radar Cruise 1 > Trouble Codes 

      Result

      Result Proceed to
      DTC P1607-00 is not output A
      DTC P1607-00 is output B

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ] 

    Result: 

    REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [11/2023 - ]