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 |
|
B15FF |
XM Tuner Antenna Short |
A short occurs in the roof antenna assembly |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
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 CodesOK:
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 |
|
2. |
CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY |
(a) Disconnect the No. 2 antenna cord sub-assembly connector from the 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 |
|
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. |
|
(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 |
|
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 CodesOK:
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. |
|
(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 |
|
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. |
|
(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 |
|
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 CodesOK:
No DTCs are output.
OK | ![]() |
END |
NG | ![]() |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
Toyota CH-R Service Manual > Lighting System: Headlamp LH Circuit (B2439,B243A)
DESCRIPTION
A DTC is stored when the headlight ECU sub-assembly receives a light source malfunction
signal from its respective headlight unit. The headlight ECU sub-assembly LH stores
DTC B2439 or B243A.
DTC No.
Detection Item
DTC Detection Condition
...
Toyota CH-R Service Manual > Vehicle Stability Control System: Acceleration Sensor Malfunction (C1420)
DESCRIPTION
This DTC is stored when the skid control ECU (brake actuator assembly) detects
an abnormality in the difference between the acceleration sensor value and the control
value estimated based on the yaw rate sensor, steering angle sensor and speed sensor
signals.
DTC No.
...