SIMPLE INTELLIGENT PARKING ASSIST SYSTEM Main Switch Circuit

DTC Code DTC Name
Main Switch Circuit

DESCRIPTION

When the IPA main switch assembly is turned on, a signal is sent to the clearance warning ECU assembly. The simple intelligent parking assist system operates according to this signal.

WIRING DIAGRAM

B278950E26

PROCEDURE

  1. INSPECT IPA MAIN SWITCH ASSEMBLY

    1. Remove the IPA main switch assembly.

      for Hatchback, Wagon:Click here

      for Sedan:Click hereClick here

    2. Inspect the IPA main switch assembly.

      for Hatchback, Wagon:Click here

      for Sedan:Click here

      OK

      IPA main switch assembly is normal.

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE IPA MAIN SWITCH ASSEMBLY

    for Hatchback, Wagon:Click here

    for Sedan:Click hereClick here

    OK

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

    1. Disconnect the E134*1 or E101*2 IPA main switch assembly connector.

      • *1: except Sedan

      • *2: for Sedan

    2. Disconnect the E98 clearance warning ECU assembly connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      E134-6 (IG) - E98-31 (R3)*1

      Always

      Below 1 Ω

      E134-6 (IG) - Body ground*1

      Always

      10 kΩ or higher

      E134-3 (E) - Body ground*1

      Always

      Below 1 Ω

      E101-6 (IG) - E98-31 (R3)*2

      Always

      Below 1 Ω

      E101-6 (IG) - Body ground*2

      Always

      10 kΩ or higher

      E101-3 (E) - Body ground*2

      Always

      Below 1 Ω

      • *1: except Sedan

      • *2: for Sedan

    Result

    Proceed to

    OK

    NG
    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR