Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Toyota >> 2010 >> Avalon XLS >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Dynamic Laser Cruise Control System (Diagnostic Codes & Circuit Tests) >> Dynamic Laser Cruise Control System >> Circuit Test >> Distance Control ECU Power Source Circuit >> Procedure

Distance Control ECU Power Source Circuit: Procedure

  1. CHECK DISTANCE CONTROL ECU 
    1. Disconnect the distance control ECU connector.
      Fig 1: Identifying A20 Connector Terminal
      GTY188695Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage

      Tester Connection Condition Specified Condition
      A20-1 (B) - Body ground Ignition switch on (IG) 10 to 14 V
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Tester Connection Condition Specified Condition
      A20-10 (SGND) - Body ground Always Below 1 Ω
      A20-12 (GND) - Body ground Always Below 1 Ω

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → PROCEED TO NEXT SUSPECTED AREA SHOWN IN  PROBLEM SYMPTOMS TABLE  PROBLEM SYMPTOMS TABLE