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

Toyota CH-R Service Manual / Navigation / Multi Info Display / Navigation System / 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 roof 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 roof 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

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 Navigation System.
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

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

END (ANTENNA CORD SUB-ASSEMBLY WAS DEFECTIVE)

GO TO STEP 5

2.	CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY

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

Front view of wire harness connector

(to Antenna Cord Sub-assembly)

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.

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

REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY

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.

Front view of wire harness connector

(to No. 2 Antenna Cord Sub-assembly)

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.

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

REPLACE NO. 3 ANTENNA CORD SUB-ASSEMBLY

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

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

END

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.

Front view of wire harness connector

(to Antenna Cord Sub-assembly)

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.

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

REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY

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.

Front view of wire harness connector

(to No. 2 Antenna Cord Sub-assembly)

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

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

REPLACE NO. 3 ANTENNA CORD SUB-ASSEMBLY

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

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

END

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

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