Toyota Tacoma 2015-2018 Service Manual: SD Card Communication Malfunction (B158C)

Toyota Tacoma 2015-2018 Service Manual / Navigation / Multi Info Display / Navigation System / SD Card Communication Malfunction (B158C)

DESCRIPTION

The navigation receiver assembly stores this DTC when the SD card cannot be mounted when inserted into the SD card slot.

DTC Code	DTC Detection Condition	Trouble Area
B158C	The SD card cannot be mounted when inserted into the SD card slot.	SD card Navigation receiver assembly

PROCEDURE

1.	CHECK SD CARD

(a) Turn the ignition switch off and remove the SD card from the SD card slot.

(b) Check that the SD card is not damaged.

OK:

The SD card is not damaged.

REPLACE SD CARD

2.	CLEAN COMPONENTS

(a) Check that the terminals of the SD card are free of foreign matter. Remove foreign matter as necessary.

(b) Check that the SD card slot of the navigation receiver assembly is free of foreign matter. Remove foreign matter as necessary.

CHECK DTC

(a) Clear the DTCs (See page (b) Recheck for DTCs and check that no DTCs are output (See page ).

(b) Recheck for DTCs and check that no DTCs are output (See page OK: ).

OK:

No DTCs are output.

END (FOREIGN MATTER IS ADHERED TO SD CARD OR SD CARD SLOT)

4.	REPLACE SD CARD

(a) Replace the SD card.

(b) Clear the DTCs (See page (c) Recheck for DTCs and check that no DTCs are output (See page ).

OK:

No DTCs are output.

END (SD CARD WAS DEFECTIVE)

REPLACE NAVIGATION RECEIVER ASSEMBLY

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