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Home >> Lexus >> 2010 >> GS 450h >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Active Stabilizer Suspension (Diagnostic Codes & Symptom Tests) >> Active Stabilizer Suspension System >> DTC C1917: Rear Active Stabilizer Control ECU CAN Communication Stop >> Procedure

DTC C1917: Rear Active Stabilizer Control ECU CAN Communication Stop: Procedure

  1. CHECK DTC (CAN COMMUNICATION SYSTEM) 
    1. Check for DTC. Refer to DTC CHECK / CLEAR .

      OK

      DTC is not output.

    NG → CHECK FLOWCHART OF EACH DTC 

    OK: Go to next step 

  2. CHECK WIRE HARNESS (CAN COMMUNICATION LINE) 
    1. Disconnect the y1 rear active stabilizer control ECU connector.
      Fig 1: Identifying Rear Active Stabilizer Control ECU Connector Terminals
      GTY113342Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance of the wire harness side connector.

      Standard resistance

      Tester Connection Specified Condition
      y1-1 (LCN+) - y1-8 (LCN-) 54 to 69 Ω
      y1-2 (CANH) - y1-3 (CANL)

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  3. CHECK OPERATION OF REAR ACTIVE STABILIZER CONTROL ECU 
    1. Turn the power switch OFF.
    2. Exchange the front active stabilizer control ECU with the rear active stabilizer control ECU.
    3. Connect Techstream to the DLC3.
    4. Turn the power switch ON (IG) and press the Techstream main switch ON.
    5. Clear the DTC. Refer to DTC CHECK / CLEAR .
    6. Check for DTC.
      RESULT

      Result Proceed to
      DTC C193E is output A
      DTC is not output B

    B → CHECK INTERMITTENT PROBLEMS 

    A → REPLACE REAR ACTIVE STABILIZER CONTROL ECU 

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