Dtc Cb-13 Usb Over Current Detection


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

REPLACE USB DEVICE OR "iPod"

CHECK FOR DTC

CHECK RADIO RECEIVER ASSEMBLY

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - STEREO JACK ADAPTER)

DTC CB-13 USB Over Current Detection


DESCRIPTION


DTC Code
DTC Detection Condition
Trouble Area
CB-13
An "iPod" or USB device overcurrent malfunction
  1. "iPod" or USB device
  2. Harness or connector
  3. No. 1 stereo jack adapter assembly
  4. Radio receiver assembly

WIRING DIAGRAM


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Audio Visual.Audio And Visual System (For Radio Receiver Type). Dtc Cb-13 Usb Over Current Detection


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.
1.REPLACE USB DEVICE OR "iPod"

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

  1. Turn the ignition switch off.

    HINT:
    When this DTC 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 assembly.


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
Go to step 3
OK

USB DEVICE OR "iPod" WAS DEFECTIVE

3.CHECK RADIO RECEIVER ASSEMBLY


    Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Audio Visual.Audio And Visual System (For Radio Receiver Type). Dtc Cb-13 Usb Over Current Detection

  1. Disconnect the N3 No. 1 stereo jack adapter assembly connector.

  1. Measure the voltage according to the value(s) in the table below.

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Condition
    N3-1 (UPI) - N3-4 (UJSG)
    		Always
    		4.5 to 5.5 V
    Text in Illustration
    *a
    		Front view of wire harness connector
    (to No. 1 Stereo Jack Adapter Assembly)


NG
Go to step 4
OK

REPLACE NO. 1 STEREO JACK ADAPTER ASSEMBLY (Toyota Fortuner RM000003AWF01HX.html)

4.CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - STEREO JACK ADAPTER)

  1. Disconnect the R28 radio receiver assembly connector.

  1. Disconnect the N3 No. 1 stereo jack adapter assembly connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    R28-1 (USV1) - N3-1 (UPI)
    		Always
    		Below 1 Ω
    R28-4 (UGD1) - N3-4 (UJSG)
    		Always
    		Below 1 Ω
    R28-1 (USV1) - Body ground
    		Always
    		10 kΩ or higher
    R28-4 (UGD1) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE RADIO RECEIVER ASSEMBLY (Toyota Fortuner RM000003OQ9003X.html)