REAR VIEW MONITOR SYSTEM (w/ Side Monitor System), Diagnostic DTC:C1612

DTC Code DTC Name
C1612 IG Voltage is Low or High

DESCRIPTION

This DTC is stored if the parking assist ECU judges as a result of its self check that the voltage received by terminal IG is low or high.

DTC Code DTC Detection Condition Trouble Area
C1612
  • IG voltage is low

  • IG voltage is high


  • Harness or connector

  • Parking assist ECU

WIRING DIAGRAM

A0097ZVE01

INSPECTION PROCEDURE

Note

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

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the intelligent tester on.

    4. Enter the following menus: Chassis / Parking Assist Monitor System / Data List.

    5. Check the Data List for proper functioning of the following items.

      Parking Assist Monitor System
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      IG Voltage Low Status IG voltage input to parking assist ECU/OK or NG

      OK: IG voltage is normal

      NG: IG voltage is abnormal (too low)

      -
      IG Voltage High Status IG voltage input to parking assist ECU/OK or NG

      OK: IG voltage is normal

      NG: IG voltage is abnormal (too high)

      -
      Result
      Result Proceed to
      OK is displayed for both items (for LHD) A
      OK is displayed for both items (for RHD) B
      NG is displayed for either item C

    B
    C
    A
  2. CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU IG VOLTAGE)


    1. A009BD6E02
      Test in Illustration
      *a

      Front view of wire harness connector

      (to Parking Assist ECU)

      Disconnect the I3 parking assist ECU connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      I3-7 (IG) - I3-3 (GND1) Ignition switch ON 11 to 14 V

    NG
    OK