Inspection Procedure

HINT:

After the inspection is completed, clear the DTCs (see DTC CHECK / CLEAR  )

1. CHECK HDD INFORMATION (NAVIGATION CHECK MODE) 
   1. Enter the "Navigation Check" mode (HDD Information) (see NAVIGATION CHECK MODE  )
   2. Check for trouble code

      OK: Trouble code is not output 

   Fig 1: Identifying Trouble Code On HDD Information Screen

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NG: TROUBLESHOOT ACCORDING TO THE DISPLAYED TROUBLE CODE  (See DIAGNOSIS DISPLAY DETAILED DESCRIPTION  )

   OK: Go to next step 

2. CHECK SMART TEST 
   1. Press the "SMART Test" switch, and check the SMART TEST result screen

      HINT:

      • It takes approximately 90 seconds for the check to complete
      • If the SMART Test result is NG, the HDD is malfunctioning
      • If the temperature is low (less than -20°C (-4°F)) or high (65°C (149°F) or more), and the HDD cannot read or write, NG may be displayed.
        Fig 2: Display - SMART Test Result Screen

        Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        OK: OK is displayed 

   NG: REPLACE DISPLAY AND NAVIGATION ASSEMBLY  (See REMOVAL  )

   OK: Go to next step 

3. CLEAR DTC 
   1. Clear DTCs (see DTC CHECK / CLEAR  ).
4. RECHECK DTC 
   1. Recheck for DTCs and check if the same trouble codes again.

      OK: Same problem does not occur. 

   NG: REPLACE DISPLAY AND NAVIGATION ASSEMBLY  (See REMOVAL  )

   OK: USE SIMULATION METHOD TO CHECK  (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE )