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 |
|
| B15C1 |
GPS Antenna Connection Malfunction(break) |
Navigation antenna power source malfunction |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- When replacing the navigation ECU, always replace it with a new one. If a navigation ECU which was installed to another vehicle is used, the following may occur:
- A communication malfunction DTC may be stored.
- The navigation ECU may not operate normally.
PROCEDURE
|
1. | CHECK DTC |
(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 CodesOK:
No DTCs are output.
| OK | .gif) |
USE SIMULATION METHOD TO CHECK |
|
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| 2. |
INSPECT ANTENNA CORD SUB-ASSEMBLY (for Front Side) |
(a) Remove the antenna cord sub-assembly (for Front Side).
Click here
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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-3 | Always |
Below 1 Ω |
|
A-3a - B-3a | Always |
Below 1 Ω |
|
A-3 or B-3 - Body ground |
Always | 10 kΩ or higher |
|
*a | Component without harness connected (Antenna Cord Sub-assembly (for Front Side)) |
|
*a | Component without harness connected (Antenna Cord Sub-assembly (for Front Side)) |
| NG | | REPLACE ANTENNA CORD SUB-ASSEMBLY (for Front Side) |
|
| 3. |
INSPECT ANTENNA CORD SUB-ASSEMBLY (for Navigation Antenna) |
(a) Remove the antenna cord sub-assembly (for Navigation Antenna).
Click here
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection | Condition |
Specified Condition |
|---|---|---|
|
C-3 - D-1 | Always |
Below 1 Ω |
|
C-3a - D-1a | Always |
Below 1 Ω |
|
C-3 or D-1 - Body ground |
Always | 10 kΩ or higher |
|
*a | Component without harness connected (Antenna Cord Sub-assembly (for Navigation Antenna)) |
|
*a | Component without harness connected (Antenna Cord Sub-assembly (for Navigation Antenna)) |
| NG | | REPLACE ANTENNA CORD SUB-ASSEMBLY (for Navigation Antenna) |
|
| 4. |
INSPECT NAVIGATION ANTENNA ASSEMBLY |
(a) Remove the navigation antenna assembly.
Click here
(b) Inspect the navigation antenna assembly.
Click here
| OK | | REPLACE NAVIGATION ECU |
| NG | | REPLACE NAVIGATION ANTENNA ASSEMBLY |
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How To Proceed With Troubleshooting
HOW TO PROCEED WITH TROUBLESHOOTING OPERATION FLOW
HINT: Perform troubleshooting in accordance with the procedure below. The following is an outline of basic troubleshooting procedure. Confirm the troubleshooting procedure for the circuit you are working on before beginning troubleshooting.
1.VE
