DTC B158C: SD Card Communication Malfunction [10/2014 - ]: Procedure

1. Turn the power switch off and remove the SD card (disc player disc) from the SD card (disc player disc) slot.
2. Check that the SD card (disc player disc) is not damaged.

   Result

   Result	Proceed to
   The SD card (disc player disc) is not damaged.	A
   The SD card (disc player disc) is damaged.	B

Result: 

B 

REPLACE SD CARD (DISC PLAYER DISC) 

Result: 

A 

See step  2

1. Check that the terminals of the SD card (disc player disc) are free of foreign matter. Remove foreign matter as necessary.
2. Check that the SD card (disc player disc) slot of the navigation ECU sub-assembly is free of foreign matter. Remove foreign matter as necessary.
3. Insert the SD card (disc player disc) into the SD card (disc player disc) slot.

Result: 

NEXT 

See step  3

1. Clear the DTCs (Refer to DTC CHECK / CLEAR [10/2014 - ] ).
2. Recheck for DTCs and check that no DTCs are output.

   OK

   No DTCs are output.

Result: 

OK 

END 

Result: 

NG 

See step  4

1. Replace the SD card (disc player disc) with a new or known good one.
2. Clear the DTCs (Refer to DTC CHECK / CLEAR [10/2014 - ] ).
3. Recheck for DTCs and check that no DTCs are output.

   OK

   No DTCs are output.

Result: 

OK 

END 

Result: 

NG 

REPLACE NAVIGATION ECU SUB-ASSEMBLY 

(Refer to REMOVAL [10/2014 - ] )