Toyota Camry (XV70): GPS Antenna Connection Malfunction(short) (B15C0,B15C1)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the navigation antenna assembly.
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
B15C0 | GPS Antenna Connection Malfunction(short) |
Navigation antenna malfunction |
- Navigation antenna assembly
- Antenna cord sub-assembly (for Front Side)
- Radio and display receiver assembly
|
B15C1 |
GPS Antenna Connection Malfunction(break) |
Navigation antenna power source malfunction |
- Navigation antenna assembly
- Antenna cord sub-assembly (for Front Side)
- 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 Audio and Visual System.
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- 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 may be stored.
- The radio and display receiver assembly may not operate normally.
- Check that the antenna cord sub-assembly (for Front Side) is properly installed and does not have any sharp bends, pinching or loose connections before performing following procedure.
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PROCEDURE
(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
(b) Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble Codes
OK:
No DTCs are output.
NG |
| |
2. |
INSPECT ANTENNA CORD SUB-ASSEMBLY (for Front Side) |
(a) Remove the antenna cord sub-assembly (for Front Side).
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(b) 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 or B-1 - Body ground |
Always | 10 kΩ or higher | |
|
*a | Component without harness connected
(Antenna cord sub-assembly (for Front Side)) | | |
NG |
| REPLACE ANTENNA CORD SUB-ASSEMBLY (for Front Side) |
OK |
| |
3. |
INSPECT NAVIGATION ANTENNA ASSEMBLY |
(a) Remove the navigation antenna assembly.
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(b) Inspect the navigation antenna assembly.
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OK |
| REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
NG |
| REPLACE NAVIGATION ANTENNA ASSEMBLY |
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DTC No. Detection Item
DTC Detection Condition Trouble Area
B15C3 Speaker Output Short
A short
DESCRIPTION The radio and display receiver assembly and stereo component amplifier assembly are connected by the AVC-LAN communication line.
DTC No. Detection Item
DTC Detection Condition
DESCRIPTION If the radio and display receiver assembly cannot detect the DCM (telematics transceiver) for a certain period of time (90 seconds) after the ignition switch is turned to ACC and the radio
SEE MORE:
CAUTION / NOTICE / HINT NOTICE: After replacing the skid control ECU (brake actuator assembly), perform acceleration sensor zero point calibration and system information memorization.
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PROCEDURE
1.
PERFORM ROAD TEST (a) After turning the ignition switch to ON, compare
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The ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical malfunctions of the solenoid valves, transmission valve body assembly and automatic transa