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Home >> Lexus >> 2009 >> LS 460L AWD >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control >> Dynamic Radar Cruise Control System >> DTC C1A40 ENG/EHV Device >> Inspection Procedure

Inspection Procedure

  1. CHECK FOR DTC (SFI SYSTEM) 
    1. Enter the following menus: Powertrain/Engine/Trouble Code.
    2. Check for DTC.

      OK: 

      SFI system DTC is not output. 

      NG: GO TO SFI SYSTEM  (See DIAGNOSTIC TROUBLE CODE CHART )

      OK: Go to next step 

  2. CHECK FOR DTC (AUTOMATIC TRANSMISSION SYSTEM) 
    1. Enter the following menus: Powertrain/ECT/Trouble Code.
    2. Check for DTC.

      OK: 

      Electronic controlled automatic transmission system DTC is not output. 

      NG: GO TO AUTOMATIC TRANSMISSION SYSTEM  (See DIAGNOSTIC TROUBLE CODE CHART )

      OK: REPLACE DRIVING SUPPORT ECU  (See REMOVAL )