Dtc Cb-10 System Microcomputer Malfunction


DESCRIPTION

INSPECTION PROCEDURE

REPLACE USB DEVICE OR "iPod"

CHECK FOR DTC

DTC CB-10 System Microcomputer Malfunction

DTC CB-11 Media Interface Microcomputer Malfunction

DTC CB-12 CD-LSI Malfunction


DESCRIPTION


DTC Code
DTC Detection Condition
Trouble Area
CB-10
A system microcomputer malfunction.
  1. "iPod" or USB device
  2. Radio receiver assembly
CB-11
A media interface microcomputer malfunction.
CB-12
A CD-LSI (large scale integration) malfunction.

INSPECTION PROCEDURE

NOTICE:
The data stored on the USB device or "iPod" may be changed or lost due to malfunctions, repairs, system errors, etc. Therefore, when repairs are to be performed, explain this to the customer and obtain their consent prior to performing repairs.
HINT:
After the inspection is completed, clear the DTCs.
1.REPLACE USB DEVICE OR "iPod"

  1. Disconnect the USB device or "iPod" from the stereo jack adapter.

  1. Turn the ignition switch off.

    HINT:
    When one of these DTCs has been stored, it is necessary to turn off the ignition switch to make it possible for the vehicle to recognize a new device when it is connected.

  1. Turn the ignition switch to ACC.

  1. Connect a known good USB device or "iPod" to the stereo jack adapter.


NEXT


2.CHECK FOR DTC

  1. Clear the DTCs (Toyota Fortuner RM0000014CZ0B1X.html).

  1. Check for DTCs and check if the same DTC occurs again.

    HINT:
    If DTCs are output frequently, replace the radio receiver assembly.
    OK:
    Malfunction disappears.


NG
REPLACE RADIO RECEIVER ASSEMBLY (Toyota Fortuner RM000003OQ9003X.html)
OK

END (USB DEVICE OR "iPod" WAS DEFECTIVE)