Dynamic Radar Cruise Control System How To Proceed With Troubleshooting
VEHICLE BROUGHT TO WORKSHOP
INSPECT BATTERY VOLTAGE
INSPECT MILLIMETER WAVE RADAR SENSOR ASSEMBLY*
CHECK CAN COMMUNICATION SYSTEM*
CHECK FOR DTCs (SFI SYSTEM OR ECD SYSTEM)*
CHECK FOR DTCs (DYNAMIC RADAR CRUISE CONTROL SYSTEM)*
PROBLEM SYMPTOMS TABLE
OVERALL ANALYSIS AND TROUBLESHOOTING*
ADJUST, REPAIR OR REPLACE
CONFIRMATION TEST
Dynamic Radar Cruise Control System -- How To Proceed With Troubleshooting |
- HINT:
- Use the following procedure to troubleshoot the dynamic radar cruise control system.
- *: Use the GTS.
1.VEHICLE BROUGHT TO WORKSHOP |
2.INSPECT BATTERY VOLTAGE |
Measure the battery voltage.
- 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.INSPECT MILLIMETER WAVE RADAR SENSOR ASSEMBLY* |
Adjust the reflector height (Click here).
Place the reflector (Click here).
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Turn the cruise control main switch (ON/OFF) on.
Enter the following menus: Body Electrical / Pre-Crash 2 / Utility / Front Beam Axis Misalignment Reading.
Check the amount of misalignment and make a note.
Enter the following menus: Body Electrical / Pre-Crash 2 / Utility / Front Beam Axis Offset Reading.
Check the amount of offset and make a note.
4.CHECK CAN COMMUNICATION SYSTEM* |
Using the GTS, check that the CAN communication system is functioning normally.
- OK:
- CAN communication system is functioning normally.
- HINT:
- Refer to CAN Bus Check for the CAN communication system.
- for LHD: Click here
- for RHD: Click here
- Result:
Result
| Proceed to
|
OK
| A
|
NG (for LHD)
| B
|
NG (for RHD)
| C
|
5.CHECK FOR DTCs (SFI SYSTEM OR ECD SYSTEM)* |
Refer to DTC Check / Clear.- for 1UR-FE: Click here
- for 3UR-FE: Click here
- for 1VD-FTV (w/ DPF): Click here
- for 1VD-FTV (w/o DPF): Click here
Check for DTCs and note any codes that are output.
Clear the DTCs.
Recheck for DTCs. Try to reproduce the DTCs by duplicating the conditions indicated by the DTCs.
- Result:
Result
| Proceed to
|
DTC does not reoccur
| A
|
DTC reoccurs (for 1UR-FE)
| B
|
DTC reoccurs (for 3UR-FE)
| C
|
DTC reoccurs (for 1VD-FTV [w/ DPF])
| D
|
DTC reoccurs (for 1VD-FTV [w/o DPF])
| E
|
6.CHECK FOR DTCs (DYNAMIC RADAR CRUISE CONTROL SYSTEM)* |
Refer to DTC Check / Clear (Click here).Check for DTCs and note any codes that are output.
Clear the DTCs.
Recheck for DTCs. Try to reproduce the DTCs by duplicating the conditions indicated by the DTCs.
- Result:
Result
| Proceed to
|
DTC does not reoccur
| A
|
DTC reoccurs
| B
|
Refer to Problem Symptoms Table (Click here).
- Result:
Result
| Proceed to
|
Fault is not listed in problem symptoms table
| A
|
Fault is listed in problem symptoms table
| B
|
8.OVERALL ANALYSIS AND TROUBLESHOOTING* |
Terminals of ECU (Click here)
Data List / Active Test (Click here)
9.ADJUST, REPAIR OR REPLACE |
- NOTICE:
- When replacing parts, make sure to check the replacement precautions (Click here).