LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2018 >> ES 350 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System (W/ Central Gateway Ecu) (Diagnostics & Symptom Tests) >> CAN COMMUNICATION SYSTEM(w/ Central Gateway ECU) >> Millimeter Wave Radar Sensor Communication Stop Mode (07/2015 -) >> Procedure

Millimeter Wave Radar Sensor Communication Stop Mode (07/2015 -): Procedure

  1. CHECK FOR OPEN IN CAN BUS LINES (MILLIMETER WAVE RADAR SENSOR ASSEMBLY BRANCH LINE) 
    1. Disconnect the cable from the negative (-) battery terminal.
    2. Disconnect the A74 millimeter wave radar sensor assembly connector.
      GTY658048Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A74-3 (CA2H) - A74-2 (CA2L) Cable disconnected from negative (-) battery terminal 54 to 69 Ω
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Millimeter Wave Radar Sensor Assembly)

    Result:  NG

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (MILLIMETER WAVE RADAR SENSOR ASSEMBLY) 

    Result:  OK

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) 
    1. Check the millimeter wave radar sensor assembly power source circuit (Refer to Millimeter Wave Radar Sensor Power Source Circuit (07/2015 -) ).

    Result:  OK

    OK 

    REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY 

    (Refer to REMOVAL (07/2015 -) )

    Result:  NG

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)