SIMPLE INTELLIGENT PARKING ASSIST SYSTEM, Diagnostic DTC:C1612

DTC Code DTC Name
C1612 IG Voltage is High

DESCRIPTION

This DTC is stored when the clearance warning ECU assembly judges, as a result of its self check, that the voltage received by terminal IG is not normal.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1612 IG Voltage is High IG voltage is high

  • Wire harness or connector

  • Clearance warning ECU assembly

  • Stop and start system*1

WIRING DIAGRAM

B008KAME01

CAUTION / NOTICE / HINT

Note


  • Inspect the fuses for circuits related to this system before performing the following procedure.

  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization may be needed. Refer to Calibration.

    Click here

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

    Click here

PROCEDURE


  1. CHECK DTC OUTPUT


    1. Clear the DTCs.

      Click here


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

    2. Recheck for DTCs and check if the same DTC is output again.


      Body Electrical > IPA/ICS/Clearance Sonar > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY - BODY GROUND)


    1. Disconnect the F38 clearance warning ECU assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F38-1 (E) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY IG POWER SUPPLY)


    1. Disconnect the clearance warning ECU assembly connector.

    2. B008M5AC01
      *a

      Front view of wire harness connector

      (to Clearance Warning ECU Assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      F38-8 (IG) - F38-1 (E) Ignition switch ON

      11 to 14 V*1

      9.5 to 14 V*2

      • *1: w/o Stop and Start System

      • *2: w/ Stop and Start System

      Result
      Result Proceed to
      OK A
      NG (w/o Stop and Start System) B
      NG (w/ Stop and Start System) C

    A

    REPLACE CLEARANCE WARNING ECU ASSEMBLY Click here

    B

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    C

    GO TO STOP AND START SYSTEM Click here