Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: XM Tuner Antenna Circuit Short to Ground (B15FE11,B15FE13)

Toyota Corolla Cross (2022-2024) Service Manual / Audio & Visual & Telematics / Audio / Video / Audio And Visual System / XM Tuner Antenna Circuit Short to Ground (B15FE11,B15FE13)

DESCRIPTION

These DTCs are stored when a malfunction occurs in the XM antenna which is connected to the radio and display receiver assembly.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

Priority

B15FE11

XM Tuner Antenna Circuit Short to Ground

The XM antenna is not connected.

(2 trip detection logic)
  • Antenna cord sub-assembly
  • No. 2 antenna cord sub-assembly
  • No. 3 antenna cord sub-assembly
  • Roof antenna assembly
  • Radio and display receiver assembly

Navigation System

A

B15FE13

XM Tuner Antenna Circuit Open

A short occurs in the XM antenna.

(2 trip detection logic)
  • Antenna cord sub-assembly
  • No. 2 antenna cord sub-assembly
  • No. 3 antenna cord sub-assembly
  • Roof antenna assembly
  • Radio and display receiver assembly

Navigation System

A

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.

Click here

PROCEDURE

1.

CHECK CONNECTION OF ROOF ANTENNA ASSEMBLY CABLE

(a) Check if the roof antenna assembly cable is securely connected to the radio and display receiver assembly.

OK:

Roof antenna assembly cable is securely connected.

NG

SECURELY CONNECT ROOF ANTENNA ASSEMBLY CABLE
OK

2.

CHECK ANTENNA CORD SUB-ASSEMBLY

(a) Disconnect the antenna connector from the radio and display receiver assembly.

(b) Disconnect the antenna connector from the No. 2 antenna cord sub-assembly.

*a

Component without harness connected

(to Radio and Display Receiver Assembly)

*b

Component without harness connected

(to No. 2 Antenna Cord Sub-assembly)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

SXM-1 (XM) - A-4

Always

Below 1 Ω

SXM-1a - A-4a

Always

Below 1 Ω

SXM-1 (XM) - Body ground

Always

10 kΩ or higher

SXM-1a - Body ground

Always

10 kΩ or higher
NG

REPLACE ANTENNA CORD SUB-ASSEMBLY

OK

3.

CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY

(a) Disconnect the antenna connector from the antenna cord sub-assembly.

(b) Disconnect the antenna connector from the No. 3 antenna cord sub-assembly.

*a

Component without harness connected

(to Antenna Cord Sub-assembly)

*b

Component without harness connected

(to No. 3 Antenna Cord Sub-assembly)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

B-4 - C-4

Always

Below 1 Ω

B-4a - C-4a

Always

Below 1 Ω

B-4 - Body ground

Always

10 kΩ or higher

B-4a - Body ground

Always

10 kΩ or higher
NG

REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY

OK

4.

CHECK NO. 3 ANTENNA CORD SUB-ASSEMBLY

(a) Disconnect the antenna connector from the No. 2 antenna cord sub-assembly.

(b) Disconnect the antenna connector from the roof antenna assembly.

*a

Component without harness connected

(to No. 2 Antenna Cord Sub-assembly)

*b

Component without harness connected

(to Roof Antenna Assembly)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

D-4 - E-3

Always

Below 1 Ω

D-4a - E-3a

Always

Below 1 Ω

D-4 - Body ground

Always

10 kΩ or higher

D-4a - Body ground

Always

10 kΩ or higher
NG

REPLACE NO. 3 ANTENNA CORD SUB-ASSEMBLY

OK

5.

CHECK ROOF ANTENNA ASSEMBLY

(a) Replace the roof antenna assembly with a new or known good one and check if the same problem occurs again.

Click here

NEXT

6.

CLEAR DTC

(a) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs
NEXT

7.

CHECK FOR DTC

(a) Turn the ignition switch off.

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

Body Electrical > Navigation System > Trouble Codes

Result

Proceed to

DTCs are not output

A

DTCs are output

B
A

END (ROOF ANTENNA ASSEMBLY IS DEFECTIVE)
B

REPLACE RADIO & DISPLAY RECEIVER ASSEMBLY

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