LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2015 >> RX 350 Base, FWD >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System - Diagnostic Codes & Circuit Tests >> Pre-Collision System >> DTC C1A46: Yaw Rate Sensor [03/2014 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC C1A46: Yaw Rate Sensor [03/2014 - ]: Procedure

  1. CHECK DTC OUTPUT (VEHICLE STABILITY CONTROL SYSTEM) 
    1. Check DTCs for vehicle stability control system. Refer to DTC CHECK / CLEAR [03/2014 - ] .

      OK

      DTC C1435 is not output.

    NG → See step   3 

    OK: Go to next step 

  2. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) 
    1. Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.
    2. Clear the DTCs. Refer to DTC CHECK / CLEAR [03/2014 - ] .
    3. Drive the vehicle.
    4. Recheck for DTCs.

      OK

      DTC C1A46 is not output.

    NG → See step   4 

    OK → See step   5 

  3. GO TO VEHICLE STABILITY CONTROL SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [03/2014 - ] 
  4. REPLACE DRIVING SUPPORT ECU. Refer to  REMOVAL [03/2014 - ] 
  5. CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2014 - ]