Road Sign Assist System How To Proceed With Troubleshooting
VEHICLE BROUGHT TO WORKSHOP
INSPECT BATTERY VOLTAGE
CHECK CAN COMMUNICATION SYSTEM*
CHECK FOR DTCs*
PROBLEM SYMPTOMS TABLE
OVERALL ANALYSIS AND TROUBLESHOOTING*
ADJUST, REPAIR OR REPLACE
CONFIRMATION TEST
Road Sign Assist System -- How To Proceed With Troubleshooting |
- HINT:
- Use these procedures to troubleshoot the road sign assist system.
- *: Use the GTS.
1.VEHICLE BROUGHT TO WORKSHOP |
2.INSPECT BATTERY VOLTAGE |
Measure the battery voltage with the engine switch off.
- Standard voltage:
- 11 to 14 V
If the voltage is below 11 V, replace or recharge the battery before proceeding to the next step.
3.CHECK CAN COMMUNICATION SYSTEM* |
Use the GTS to check if the CAN communication system is functioning normally.
ResultResult
| Proceed to
|
CAN communication system DTCs are not output
| A
|
CAN communication system DTCs are output
| B
|
Refer to DTC Check / Clear (Click here).Check for DTCs and note any codes that are output.
Clear the DTCs.
Recheck for DTCs. Based on the DTCs output in the first step, try to reproduce the road sign assist system DTCs by simulating the conditions indicated by the DTCs.
ResultResult
| Proceed to
|
DTCs are not output
| A
|
DTCs are output
| B
|
Refer to Problem Symptoms Table (Click here).
ResultResult
| Proceed to
|
Fault is not listed in problem symptoms table
| A
|
Fault is listed in problem symptoms table
| B
|
6.OVERALL ANALYSIS AND TROUBLESHOOTING* |
Terminals of ECU (Click here)
Data List / Active Test (Click here)
7.ADJUST, REPAIR OR REPLACE |
- NOTICE:
- Adjustment of the forward recognition camera is required when the forward recognition camera is replaced with a new one or if it is removed and reinstalled (Click here).