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Home >> Lexus >> 2008 >> LS 460L >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> 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 TABLE )

    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 TABLE )

    OK: REPLACE DRIVING SUPPORT ECU  (See REMOVAL  )