Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: GPS Antenna Connection Malfunction(short) (B15C0,B15C1)

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)

GPS Antenna Connection Malfunction(short)

  • Navigation antenna assembly
  • Antenna cord sub-assembly
  • Radio receiver assembly

B15C1

GPS Antenna Connection Malfunction(break)

GPS Antenna Connection Malfunction(break)

  • Navigation antenna assembly
  • Antenna cord sub-assembly
  • Radio receiver 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.

Click here

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

NG

2.

INSPECT ANTENNA CORD SUB-ASSEMBLY

(a) Remove the antenna cord sub-assembly.

w/o Rear No. 2 Seat: Click here

w/ Rear No. 2 Seat: Click here

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

*a

Component without harness connected

(Antenna Cord Sub-assembly)

*a

Component without harness connected

(Antenna Cord Sub-assembly)

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

NG

REPLACE ANTENNA CORD SUB-ASSEMBLY

OK

3.

INSPECT NAVIGATION ANTENNA ASSEMBLY

(a) Remove the navigation antenna assembly.

Click here

(b) Inspet the navigation antenna assembly.

Click here

OK

REPLACE RADIO RECEIVER ASSEMBLY

NG

REPLACE NAVIGATION ANTENNA ASSEMBLY

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    DESCRIPTION This DTC is stored when a malfunction occurs in the speakers. DTC No. Detection Item DTC Detection Condition Trouble Area B15C3 Speaker Output Short A short is detected in ...

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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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