FixVault

Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
  1. READ VALUE OF INTELLIGENT TESTER (CRUISE MAIN INDICATOR LIGHT) 
    1. Check the DATA LIST for proper functioning of the CRUISE main indicator light.

      Hybrid vehicle control ECU 

      DIAGNOSTIC CHART

      Item Measurement Item / Display (Range) Normal Condition Diagnostic Note
      CCS INDICATOR M Cruise indicator signal (Main CPU) / ON or OFF ON: CRUISE main indicator is ON
      OFF: CRUISE main indicator is OFF
      -
      CCS INDICATOR S Cruise indicator signal (Sub CPU) / ON or OFF ON: CRUISE main indicator is ON
      OFF: CRUISE main indicator is OFF
      -

      OK : Cruise control indicator light illuminates. 

      Result 

      RESULT CHART

      Result Proceed to
      OK A
      NG (ON / OFF operates only on tester) (see HOW TO PROCEED WITH TROUBLESHOOTING ) B
      NG (ON / OFF does not operate only on tester) C

    B : GO TO METER / GAUGE SYSTEM 

    C : REPLACE HYBRID VEHICLE CONTROL ECU 

    A : PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE