Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000026LJ7
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 -           ]
Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Single Knob Type): B15FE11,B15FE13; XM Tuner Antenna Circuit Short to Ground; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]

DTC

B15FE11

XM Tuner Antenna Circuit Short to Ground

DTC

B15FE13

XM Tuner Antenna Circuit Open

DESCRIPTION

These DTCs are stored when a malfunction occurs in the roof antenna assembly 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)
  • Roof antenna assembly
  • Antenna cord sub-assembly (for Type B)
  • Antenna cord sub-assembly (for Type A)
  • Antenna cord sub-assembly (for Sedan Model)
  • No.2 Antenna cord sub-assembly (for Hatchback Model)
  • 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)
  • Roof antenna assembly
  • Antenna cord sub-assembly (for Type B)
  • Antenna cord sub-assembly (for Type A)
  • Antenna cord sub-assembly (for Sedan Model)
  • No.2 Antenna cord sub-assembly (for Hatchback Model)
  • 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. Refer to Precaution for Audio and Visual System.

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Single Knob Type): PRECAUTION

PROCEDURE

1.

CHECK CONNECTION OF ANTENNA 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
OK

2.

CLEAR DTC

(a) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

NEXT

3.

CHECK FOR DTC

(a) 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

USE SIMULATION METHOD TO CHECK

B

4.

CHECK ANTENNA CORD SUB-ASSEMBLY (for Type B)

Pre-procedure1

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

*a

Front view of wire harness connector

(to Roof Antenna Assembly)

*b

Front view of wire harness connector

(to Antenna Cord Sub-assembly (for Type A))

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

Procedure1

(c) 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 - Body ground

Always

10 kΩ or higher

Post-procedure1

(d) None

NG

REPLACE ANTENNA CORD SUB-ASSEMBLY (for Type B) 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; AUDIO / VIDEO: RADIO ANTENNA CORD (for Hatchback): REMOVAL 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; AUDIO / VIDEO: RADIO ANTENNA CORD (for Hatchback): REMOVAL

OK

5.

CHECK ANTENNA CORD SUB-ASSEMBLY (for Type A)

Pre-procedure1

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

*a

Front view of wire harness connector

(to Antenna Cord Sub-assembly (for Type B))

*b

Front view of wire harness connector

(to Antenna Cord Sub-assembly (for Sedan Model))

No.2 Antenna Cord Sub-assembly (for Hatchback Model)

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

Procedure1

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

B-1 - C-6

Always

Below 1 Ω

B-1a - C-6a

Always

Below 1 Ω

B-1 - Body ground

Always

10 kΩ or higher

Post-procedure1

(d) None

NG

REPLACE ANTENNA CORD SUB-ASSEMBLY (for Type A) 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; AUDIO / VIDEO: RADIO ANTENNA CORD (for Hatchback): REMOVAL 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; AUDIO / VIDEO: RADIO ANTENNA CORD (for Hatchback): REMOVAL

OK

6.

CHECK MODEL

(a) Choose the model to be inspected.

Result

Proceed to

for Sedan Model

A

for Hatchback Model

B
B

GO TO STEP 9

A

7.

CHECK ANTENNA CORD SUB-ASSEMBLY

Pre-procedure1

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

*a

Front view of wire harness connector

(to antenna cord sub-assembly (for Type A))

*b

Front view of wire harness connector

(to Radio and Display Receiver Assembly)

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

Procedure1

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

C-6 - D-1 (SXM)

Always

Below 1 Ω

C-6a - D-1a

Always

Below 1 Ω

C-6 - Body ground

Always

10 kΩ or higher

Post-procedure1

(d) None

NG

REPLACE ANTENNA CORD SUB-ASSEMBLY 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; AUDIO / VIDEO: RADIO ANTENNA CORD (for Hatchback): REMOVAL 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; AUDIO / VIDEO: RADIO ANTENNA CORD (for Hatchback): REMOVAL

OK

8.

REPLACE ROOF ANTENNA ASSEMBLY

Pre-procedure1

(a) Replace the roof antenna assembly with a new or known good one.

Click here 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; AUDIO / VIDEO: ROOF ANTENNA: REMOVAL 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; AUDIO / VIDEO: ROOF ANTENNA: REMOVAL

(b) Clear the DTCs.

Body Electrical > Navigation System > Trouble Codes

Procedure1

(c) Check for DTCs.

Body Electrical > Navigation System > Trouble Codes

Result

Proceed to

DTCs are not output

A

DTCs are output

B

Post-procedure1

(d) None

A

END (ROOF ANTENNA ASSEMBLY IS DEFECTIVE)
B

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL

9.

CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY

Pre-procedure1

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

*a

Front view of wire harness connector

(to antenna cord sub-assembly (for Type A))

*b

Front view of wire harness connector

(to Radio and Display Receiver Assembly)

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

Procedure1

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

C-6 - D-1 (SXM)

Always

Below 1 Ω

C-6a - D-1a

Always

Below 1 Ω

C-6 - Body ground

Always

10 kΩ or higher

Post-procedure1

(d) None

OK

GO TO STEP 8

NG

REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; AUDIO / VIDEO: RADIO ANTENNA CORD (for Hatchback): REMOVAL 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; AUDIO / VIDEO: RADIO ANTENNA CORD (for Hatchback): REMOVAL