NAVIGATION SYSTEM, Diagnostic DTC:B15C0 and B15C1

DTC Code	DTC Name
B15C0	Short in GPS Antenna
B15C1	Open in GPS Antenna

DESCRIPTION

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


DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B15C0	Short in GPS Antenna	Navigation antenna error	No. 1 navigation antenna cord sub-assembly Navigation antenna assembly Navigation ECU
B15C1	Open in GPS Antenna	Error of the power source to the navigation antenna	No. 1 navigation antenna cord sub-assembly Navigation antenna assembly Navigation ECU

PROCEDURE

CHECK DTC

Clear the DTCs.
Click here Click here

Body Electrical > Navigation System > Clear DTCs
Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

OK

No DTCs are output.

Result


Proceed to
OK
NG

OK

USE SIMULATION METHOD TO CHECK

NG

INSPECT NO. 1 NAVIGATION ANTENNA CORD SUB-ASSEMBLY

Remove the No. 1 navigation antenna cord sub-assembly.
for Sedan:Click here Click here
for Hatchback, Wagon:Click here Click here

*a	Component without harness connected (No. 1 Navigation Antenna Cord Sub-assembly)

*a	Component without harness connected (No. 1 Navigation Antenna Cord Sub-assembly)

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

Standard Resistance


Tester Connection	Condition	Specified Condition
1 - 1	Always	Below 1 Ω
1 - Body ground	Always	10 kΩ or higher

Result


Proceed to
OK
NG

OK

END

NG

INSPECT NAVIGATION ANTENNA ASSEMBLY

Remove the navigation antenna assembly.
for Sedan:Click here
for Hatchback, Wagon:Click here

*a	Component without harness connected (Navigation Antenna Assembly)

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

Result


Proceed to
OK
NG

OK

END

NG

REPLACE NAVIGATION ECU

for Hatchback, Wagon:Click here Click here