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Home >> Lexus >> 2006 >> GX 470 >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Can Communication System >> Skid Control Ecu Communication Stop Mode >> Inspection Procedure

Inspection Procedure

  1. CHECK CAN BUS LINE FOR DISCONNECTION (SKID CONTROL ECU SUB BUS LINE) 
    1. Turn the ignition switch to the LOCK position.
    2. Disconnect the skid control ECU connector (S37).
    3. Measure the resistance according to the value(s) in Fig 1.

      Standard: 

      Fig 1: Tester Connection Specified Value Table
      G02964153Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE SKID CONTROL ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L) 
    2. OK: Go to next step. 
      Fig 2: Disconnecting Skid Control ECU Connector (S37)
      G02964154Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. CHECK WIRE HARNESS (IG, GND2) 
    1. Measure the resistance according to the value(s) in TESTER CONNECTION SPECIFIED VALUE .

      Standard: 

      TESTER CONNECTION SPECIFIED VALUE

      Tester connection Condition Specified value
      S37-32 (GND2) - Body ground Always Below 1 ohms
    2. Measure the voltage according to the value(s) in TESTER CONNECTION SPECIFIED VALUE .

      Standard: 

      TESTER CONNECTION SPECIFIED VALUE

      Tester connection Condition Specified value
      S37-46 (IG1) - Body ground IG switch ON 10 to 14 V
    1. NG: REPAIR OR REPLACE WIRE HARNESS OR CONNECTOR 
    2. OK: REPLACE MASTER CYLINDER SOLENOID (SEE  OVERHAUL  ) 
      Fig 3: Checking Wire Harness (IG, GND2)
      G02964155Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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