DTC    B15C0    Short in GPS Antenna

DTC    B15C1    Open in GPS Antenna

for Preparation Click here


DESCRIPTION

These DTCs are stored when a malfunction occurs in the navigation antenna assembly.

DTC No.
DTC Detection Condition
Trouble Area
B15C0
Navigation antenna malfunction
  1. Navigation antenna assembly
  2. Antenna cord sub-assembly*
  3. No. 2 antenna cord sub-assembly*
  4. Harness or connector*
  5. Radio and display receiver assembly
B15C1
Navigation antenna power source malfunction
  1. *: w/ Heated Windshield Defroster System

INSPECTION PROCEDURE

NOTICE:
Check that the navigation antenna assembly cable is properly installed and does not have any sharp bends, pinching or loose connections before performing the following inspection procedure (Click here).
1.CHECK DTC

  1. Clear the DTCs (Click here).

  1. Recheck for DTCs and check that no DTCs are output.

    OK:
    No DTCs are output.


NG
Go to step 2
OK

USE SIMULATION METHOD TO CHECK (Click here)  

2.CHECK MODEL

  1. Choose the model to be inspected.

    Result:
    Result
    		Proceed to
    w/ Heated Windshield Defroster System
    		A
    w/o Heated Windshield Defroster System
    		B


B
Go to step 7
A


3.CHECK ANTENNA CORD SUB-ASSEMBLY


    E279082E05

  1. Disconnect the antenna cord sub-assembly connector from the radio and display receiver assembly.

    Text in Illustration 
    *a
    		Antenna cord sub-assembly connector
    (to Radio and Display Receiver Assembly)


    E170034E03

  1. Disconnect the antenna cord sub-assembly connector from the No. 2 antenna cord sub-assembly.

    Text in Illustration 
    *a
    		Antenna cord sub-assembly connector
    (to No. 2 Antenna Cord Sub-assembly)

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    A-1 - B-1
    		Always
    		Below 1 Ω
    A-1 - Body ground
    		Always
    		10 kΩ or higher


NG
REPLACE ANTENNA CORD SUB-ASSEMBLY (Click here)
OK


4.CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY


    E170050E01

  1. Disconnect the No. 2 antenna cord sub-assembly connector from the antenna cord sub-assembly.

    Text in Illustration 
    *a
    		No. 2 antenna cord sub-assembly connector
    (to Antenna Cord Sub-assembly)


    E170050E02

  1. Disconnect the No. 2 antenna cord sub-assembly connector from wire harness.

    Text in Illustration 
    *a
    		No. 2 antenna cord sub-assembly connector
    (to Wire Harness)

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    C-1 - D-2
    		Always
    		Below 1 Ω
    C-1 - Body ground
    		Always
    		10 kΩ or higher


NG
REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY (Click here)
OK


5.CHECK HARNESS AND CONNECTOR (NAVIGATION ANTENNA ASSEMBLY - NO. 2 ANTENNA CORD SUB-ASSEMBLY)


    E170034E04

  1. Disconnect the wire harness connector from the No. 2 antenna cord sub-assembly connector.

    Text in Illustration 
    *a
    		Front view of wire harness connector
    (to No. 2 Antenna Cord Sub-assembly)


    E170182E02

  1. Disconnect the wire harness connector from the navigation antenna assembly.

    Text in Illustration 
    *a
    		Front view of wire harness connector
    (to Navigation Antenna Assembly)

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    E-2 - F-2
    		Always
    		Below 1 Ω
    E-1 - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


6.INSPECT NAVIGATION ANTENNA ASSEMBLY

  1. Remove the navigation antenna assembly (Click here).



    E170183E02

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    2 - 2a
    		Always
    		50 to 500 Ω
Text in Illustration 
*a
Component without harness connected
(Navigation Antenna Assembly)


NG
REPLACE NAVIGATION ANTENNA ASSEMBLY (Click here)
OK

REPLACE NAVIGATION ANTENNA ASSEMBLY (Click here)  

7.INSPECT NAVIGATION ANTENNA ASSEMBLY

  1. Remove the navigation antenna assembly (Click here).



    E279082E01

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    1 - 1a
    		Always
    		50 to 500 Ω
Text in Illustration 
*a
Component without harness connected
(Navigation Antenna Assembly)


NG
REPLACE NAVIGATION ANTENNA ASSEMBLY (Click here)
OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY (Click here)