Before performing troubleshooting for the front radar sensor system, perform troubleshooting for the pre-collision system.
*: Use the GTS.
| Proceed to |
|---|
| NEXT |
NEXT
Measure the battery voltage.
11 to 14 V (Ignition switch off)
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
Check the fuses and relays.
Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.
| Proceed to |
|---|
| NEXT |
NEXT
Using the GTS, check that the CAN communication system is functioning normally.
CAN communication system is functioning normally.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Check for DTCs.
Make a note of any DTCs that are output.
| Result | Proceed to |
|---|---|
| DTCs are not output | A |
| DTC C1A1100 is output | B |
| DTCs other than C1A1100 are output | C |
A
B
C
Using the GTS, check for Vehicle Control History.
| Tester Display |
|---|
| Vehicle Control History (RoB) |
Record any output Vehicle Control History.
| Result | Proceed to |
|---|---|
| Vehicle Control History codes are not output | A |
| Vehicle Control History code X2026 or X2028 is output | B |
| Vehicle Control History codes other than X2026 and X2028 are output | C |
A
B
C
Using the GTS, clear the Vehicle Control History.
| Tester Display |
|---|
| Vehicle Control History (RoB) |
Using the GTS, check for Vehicle Control History.
| Tester Display |
|---|
| Vehicle Control History (RoB) |
| Result | Proceed to |
|---|---|
| Vehicle Control History codes are not output | A |
| Vehicle Control History codes are output | B |
A
B
Clear the DTCs.
Reproduce the vehicle conditions that were present when the DTCs that were noted were stored.
Refer to each corresponding DTC for details on the detection conditions.
Recheck for DTCs.
| Result | Proceed to |
|---|---|
| DTCs are not output | A |
| DTCs are output | B |
A
B