Toyota CH-R Service Manual: XM Tuner Antenna Disconnected (B15FE,B15FF)

Toyota CH-R Service Manual / Audio / Video / Audio And Visual System(for Radio And Display Type) / XM Tuner Antenna Disconnected (B15FE,B15FF)

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

B15FE

XM Tuner Antenna Disconnected

The telephone antenna assembly is not connected
  • Antenna cord sub-assembly
  • No. 2 antenna cord sub-assembly
  • No. 3 antenna cord sub-assembly
  • Roof antenna assembly
  • Radio and display receiver assembly

B15FF

XM Tuner Antenna Short

A short occurs in the telephone antenna assembly
  • Antenna cord sub-assembly
  • No. 2 antenna cord sub-assembly
  • No. 3 antenna cord sub-assembly
  • Roof antenna assembly
  • Radio and display receiver assembly

WIRING DIAGRAM

for TMMT Made

for TMC Made

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 (for Radio and Display Type).

    Click here

  • 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 is stored.
    • The radio and display receiver assembly may not operate normally.

PROCEDURE

1.

REPLACE ANTENNA CORD SUB-ASSEMBLY

(a) Replace the antenna cord sub-assembly with a new or known good one.

Click here

(b) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

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

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

Result

Proceed to

OK

A

NG (for TMMT Made)

B

NG (for TMC Made)

C
A

END (ANTENNA CORD SUB-ASSEMBLY WAS DEFECTIVE)
C

GO TO STEP 5

B

2.

CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY

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

*a

Front view of wire harness connector

(to Antenna Cord Sub-assembly)

*b

Front view of wire harness connector

(to No. 3 Antenna Cord Sub-assembly)

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

AB-2 - BC-2

Always

Below 1 Ω

AB-2a - BC-2a

Always

Below 1 Ω

AB-2 - Body ground

Always

10 kΩ or higher

AB-2a - Body ground

Always

10 kΩ or higher
NG

REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY

OK

3.

CHECK NO. 3 ANTENNA CORD SUB-ASSEMBLY

(a) Disconnect the No. 3 antenna cord sub-assembly connector from the No. 2 antenna cord sub-assembly.

*a

Front view of wire harness connector

(to No. 2 Antenna Cord Sub-assembly)

*b

Front view of wire harness connector

(to Roof Antenna Assembly)

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

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

BC-2 - CD-3

Always

Below 1 Ω

BC-2a - CD-3a

Always

Below 1 Ω

BC-2 - Body ground

Always

10 kΩ or higher

BC-2a - Body ground

Always

10 kΩ or higher
NG

REPLACE NO. 3 ANTENNA CORD SUB-ASSEMBLY

OK

4.

REPLACE ROOF ANTENNA ASSEMBLY

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

Click here

(b) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

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

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

END
NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

5.

CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY

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

*a

Front view of wire harness connector

(to Antenna Cord Sub-assembly)

*b

Front view of wire harness connector

(to No. 3 Antenna Cord Sub-assembly)

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

AB-2 - BC-2

Always

Below 1 Ω

AB-2a - BC-2a

Always

Below 1 Ω

AB-2 - Body ground

Always

10 kΩ or higher

AB-2a - Body ground

Always

10 kΩ or higher
NG

REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY

OK

6.

CHECK NO. 3 ANTENNA CORD SUB-ASSEMBLY

(a) Disconnect the No. 3 antenna cord sub-assembly connector from the No. 2 antenna cord sub-assembly.

*a

Front view of wire harness connector

(to No. 2 Antenna Cord Sub-assembly)

*b

Front view of wire harness connector

(to Roof Antenna Assembly)

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

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

BC-2 - CD

Always

Below 1 Ω

BC-2a - CD-3a

Always

Below 1 Ω

BC-2 - Body ground

Always

10 kΩ or higher

BC-2a - Body ground

Always

10 kΩ or higher
NG

REPLACE NO. 3 ANTENNA CORD SUB-ASSEMBLY

OK

7.

REPLACE ROOF ANTENNA ASSEMBLY

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

Click here

(b) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

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

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

END
NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

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