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 and select "HDD Information" (See OPERATION CHECK  ).
   2. Check for trouble codes.

      OK: Trouble code is not output. 

   NG: TROUBLESHOOT ACCORDING TO THE DISPLAYED TROUBLE CODE  (See OPERATION CHECK  )

   Fig 1: Diagnosis Display - Trouble Codes

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   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.

      OK: OK is displayed. 

   NG: REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY  (See REMOVAL  )

   Fig 2: Diagnosis Display - HDD Information (SMART TEST) Screen

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   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 code is output.

      OK: No DTC is output. 

   NG: REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY  (See REMOVAL  )

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