CAN COMMUNICATION SYSTEM, Diagnostic DTC:U0235, U1102

DTC Code DTC Name
U0235 Lost Communication with Cruise Control Front Distance Range Sensor
U1102 Lost Communication with Radar Sensor

DESCRIPTION

DTC Code DTC Detection Condition Trouble Area
U0235 There is no communication from the millimeter wave radar sensor assembly.

  • Power source or inside of millimeter wave radar sensor assembly

  • Millimeter wave radar sensor assembly
U1102 There is no communication from the millimeter wave radar sensor assembly.

  • Power source circuit of millimeter wave radar sensor assembly

  • Millimeter wave radar sensor assembly

WIRING DIAGRAM

A004SACE02
*a ECU-IG NO.1
*b from IG1 Relay
*c Millimeter Wave Radar Sensor Assembly

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - BATTERY AND BODY GROUND)


    1. A004PB1E02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Millimeter Wave Radar Sensor Assembly)

      Disconnect A50 millimeter wave radar sensor assembly connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      A50-5 (IGB) - Body ground Ignition switch ON 11 to 14 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A50-2 (SGND) - Body ground Always Below 1 Ω

    OK

    REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR