INTELLIGENT CLEARANCE SONAR SYSTEM, Diagnostic DTC:C164F

DTC Code DTC Name
C164F Brake Hydraulic Pressure Malfunction

DESCRIPTION

When a malfunction signal sent from the brake booster with master cylinder assembly (skid control ECU) via CAN communication is detected by the clearance warning ECU assembly, DTC C164F is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C164F Brake Hydraulic Pressure Malfunction Brake master cylinder brake fluid pressure abnormal Vehicle stability control system

CAUTION / NOTICE / HINT

Note


  • After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

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  • After replacing an ultrasonic sensor or the clearance warning ECU assembly, perform the necessary procedures (adjustment, calibration, initialization or registration).

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PROCEDURE


  1. CHECK FOR DTC


    1. Using the GTS, check for DTCs according to the prompts on the screen.

      Tech Tips

      After turning the power switch from off to on (IG), wait 4 seconds or more before checking for DTCs.


      Body Electrical > IPA/ICS/Clearance Sonar > Trouble Codes

    2. Clear the DTCs according to the screen on the GTS.


      Body Electrical > IPA/ICS/Clearance Sonar > Clear DTCs

    3. Recheck for DTCs.


      Body Electrical > IPA/ICS/Clearance Sonar > Trouble Codes

      Tech Tips


      • DTC C164F is stored when a malfunction signal sent from the vehicle stability control system is detected.

      • If the malfunctioning part has been repaired or replaced before rechecking for DTCs, DTC C164F will not be output again.

      • If DTC C164F is output frequently, duplicate the conditions that cause the problem symptoms and perform the inspection again, even though the DTC was not output when rechecking for DTCs.

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      Result
      Result Proceed to
      DTC C164F is output A
      DTC C164F is not output B

    A

    GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM Click here

    B

    USE SIMULATION METHOD TO CHECK Click here