Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM1000000016ADS
Model Year Start: 2018 Model: Camry HV Prod Date Range: [07/2017 - 10/2020]
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: B15C0,B15C1; GPS Antenna Connection Malfunction(short); 2018 - 2020 MY Camry HV [07/2017 - 10/2020]

DTC

B15C0

GPS Antenna Connection Malfunction(short)

DTC

B15C1

GPS Antenna Connection Malfunction(break)

DESCRIPTION

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

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B15C0

GPS Antenna Connection Malfunction(short)

Navigation antenna malfunction
  • Navigation antenna assembly
  • Antenna cord sub－assembly (for navigation antenna)
  • Navigation ECU

B15C1

GPS Antenna Connection Malfunction(break)

Navigation antenna power source malfunction
  • Navigation antenna assembly
  • Antenna cord sub－assembly (for navigation antenna)
  • Navigation ECU

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • When replacing the navigation ECU, always replace it with a new one. If a navigation ECU which was installed to another vehicle is used, the following may occur:
    • A communication malfunction DTC may be stored.
    • The navigation ECU may not operate normally.
  • Check that the antenna cord sub－assembly (for navigation antenna) is properly installed and does not have any sharp bends, pinching or loose connections before performing following procedure.

    Click here 2018 MY Camry HV [07/2017 - 09/2018]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2019 MY Camry HV [09/2018 - 09/2019]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2020 MY Camry HV [09/2019 - 10/2020]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING

PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

(b) Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK 2018 MY Camry HV [07/2017 - 09/2018]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2019 MY Camry HV [09/2018 - 09/2019]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2020 MY Camry HV [09/2019 - 10/2020]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING

NG

2.

INSPECT ANTENNA CORD SUB-ASSEMBLY (for Navigation Antenna)

(a) Remove the antenna cord sub－assembly (for navigation antenna).

Click here 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; NAVIGATION / MULTI INFO DISPLAY: ANTENNA CORD: REMOVAL

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

A-3 - B-1

Always

Below 1 Ω

A-3a - B-1a

Always

Below 1 Ω

A-3 or B-1 - Body ground

Always

10 kΩ or higher

*a

Component without harness connected

(Antenna Cord Sub-assembly (for Navigation Antenna))
NG

REPLACE ANTENNA CORD SUB-ASSEMBLY (for Navigation Antenna)

OK

3.

INSPECT NAVIGATION ANTENNA ASSEMBLY

(a) Remove the navigation antenna assembly.

Click here 2018 - 2019 MY Camry HV [07/2017 - 09/2019]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION ANTENNA: REMOVAL 2020 MY Camry HV [09/2019 - 10/2020]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION ANTENNA: REMOVAL

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

3 - 3a

Always

50 to 500 Ω

*a

Component without harness connected

(Navigation Antenna Assembly)
OK

REPLACE NAVIGATION ECU

NG

REPLACE NAVIGATION ANTENNA ASSEMBLY 2018 - 2019 MY Camry HV [07/2017 - 09/2019]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION ANTENNA: REMOVAL 2020 MY Camry HV [09/2019 - 10/2020]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION ANTENNA: REMOVAL