Toyota Camry: GPS Antenna Connection Malfunction(short) (B15C0,B15C1)

DESCRIPTION

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

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

• Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.

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

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PROCEDURE

(a) Clear the DTCs.

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

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

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

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(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 Front Side))

NG

REPLACE ANTENNA CORD SUB-ASSEMBLY (for Front Side)

OK

(a) Remove the navigation antenna assembly.

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(b) Inspect the navigation antenna assembly.

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OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

NG

REPLACE NAVIGATION ANTENNA ASSEMBLY

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