LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2010 >> IS 350C >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System (Diagnostics) >> Can Communication System >> Skid Control ECU Communication Stop Mode >> Procedure

Skid Control ECU Communication Stop Mode: Procedure

  1. CHECK DTC OUTPUT 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Chassis / ABS/VSC/TRAC / DTC.
    5. Check for DTCs.

      OK

      DTC C1241 is not output.

    NG → See step   4 

    OK: Go to next step 

  2. CHECK FOR OPEN IN CAN BUS WIRE (SKID CONTROL ECU BRANCH WIRE) 
    1. Turn the engine switch off.
    2. Disconnect the brake actuator assembly (skid control ECU) connector.
      Fig 1: Identifying Brake Actuator Assembly (Skid Control ECU) Connector
      GTY272094Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Front view of wire harness connector
      (to Skid Control ECU)
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A58-25 (CANH) - A58-14 (CANL) Engine switch off 54 to 69 Ω

    NG → REPAIR OR REPLACE SKID CONTROL ECU BRANCH WIRE OR CONNECTOR (CANH, CANL) 

    OK → See step   3 

  3. REPLACE BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU). Refer to  REMOVAL 
  4. GO TO DTC CHART. Refer to  DTC C1241: Low Power Supply Voltage Malfunction 
scientia non olet · About LEMON Manuals