Engine Hybrid System. Land Cruiser. Urj200, 202 Grj200 Vdj200
Cruise Control. Land Cruiser. Urj200, 202 Grj200 Vdj200
Dynamic Radar Cruise Control System -- Problem Symptoms Table |
- HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | See page |
| Main switch cannot be turned on (cruise control indicator light on combination meter does not illuminate) | Cruise control switch circuit | Click here |
| Cruise main indicator light circuit | Click here | |
| Meter/gauge system | Click here | |
| ECM (for 1UR-FE) | Click here | |
| ECM (for 3UR-FE) | Click here | |
| CAN communication line (for LHD) | Click here | |
| CAN communication line (for RHD) | Click here | |
| Vehicle speed setting cannot be performed (cruise control indicator light on combination meter illuminates when main switch is turned on, but turns off when operating SET function) | Cruise control switch circuit | Click here |
| ECM (for 1UR-FE) | Click here | |
| ECM (for 3UR-FE) | Click here | |
| Vehicle speed setting cannot be performed (cruise control indicator light on combination meter illuminates when main switch is turned on, and remains illuminated when operating SET function) | Cruise control switch circuit | Click here |
| Vehicle speed sensor circuit | Click here | |
| Meter/gauge system | Click here | |
| ECM (for 1UR-FE) | Click here | |
| ECM (for 3UR-FE) | Click here | |
| CAN communication line (for LHD) | Click here | |
| CAN communication line (for RHD) | Click here | |
| While the vehicle is driving with cruise control, the SET control is canceled (cruise control indicator light remains illuminated) | Cruise control switch circuit | Click here |
| Vehicle speed sensor circuit | Click here | |
| Stop light switch circuit | Click here | |
| Cruise main indicator light circuit | Click here | |
| Park/neutral position switch circuit (for 1UR-FE) | Click here | |
| Park/neutral position switch circuit (for 3UR-FE) | Click here | |
| ECM (for 1UR-FE) | Click here | |
| ECM (for 3UR-FE) | Click here | |
| CAN communication line (for LHD) | Click here | |
| CAN communication line (for RHD) | Click here | |
| Hunting (speed is not constant) | Vehicle speed sensor circuit | Click here |
| Speedometer malfunction | Click here | |
| Millimeter wave radar sensor power source circuit | Click here | |
| Distance control ECU power source circuit | Click here | |
| Distance control ECU | Click here | |
| CAN communication line (for LHD) | Click here | |
| CAN communication line (for RHD) | Click here | |
| ECM (for 1UR-FE) | Click here | |
| ECM (for 3UR-FE) | Click here | |
| Vehicle speed setting cannot be canceled (CANCEL function failure) | Cruise control switch circuit | Click here |
| ECM (for 1UR-FE) | Click here | |
| ECM (for 3UR-FE) | Click here | |
| DTC is not output, or is output when it should not be | TC and CG terminal circuit | Click here |
| ECM (for 1UR-FE) | Click here | |
| ECM (for 3UR-FE) | Click here | |
| Erroneous detection or lost sight of vehicle in front | Clean radar sensor with soft cloth, etc. | - |
| Improper aiming of sensor beam axis | - | |
| Warning buzzer does not sound | Warning buzzer circuit | - |
| Vehicle stability control system | Click here | |
| Millimeter wave radar sensor power source circuit | Click here | |
| Distance control ECU power source circuit | Click here | |
| Distance control ECU | Click here | |
| ECM (for 1UR-FE) | Click here | |
| ECM (for 3UR-FE) | Click here | |
| Set distance cannot be changed | Meter/gauge system | Click here |
| Cruise control switch circuit | Click here | |
| Distance control switch circuit | Click here | |
| ECM (for 1UR-FE) | Click here | |
| ECM (for 3UR-FE) | Click here | |
| No display | Meter/gauge system | Click here |
| CAN communication line (for LHD) | Click here | |
| CAN communication line (for RHD) | Click here | |
| ECM (for 1UR-FE) | Click here | |
| ECM (for 3UR-FE) | Click here | |
| No brake control (when decelerating) | Vehicle stability control system | Click here |
| Distance control ECU power source circuit | Click here | |
| Distance control ECU | Click here | |
| CAN communication line (for LHD) | Click here | |
| CAN communication line (for RHD) | Click here | |
| ECM (for 1UR-FE) | Click here | |
| ECM (for 3UR-FE) | Click here | |
| Constant speed control mode cannot be turned on | Cruise control switch circuit | Click here |
| Meter/gauge system | Click here | |
| ECM (for 1UR-FE) | Click here | |
| ECM (for 3UR-FE) | Click here | |
| Vehicle speed cannot be canceled with wiper HI (including automatic wiper) | Wiper switch (HI speed) circuit | Click here |
| Distance control ECU | Click here | |
| ECM (for 1UR-FE) | Click here | |
| ECM (for 3UR-FE) | Click here | |
| Unable to adjust beam axis of front millimeter wave radar sensor | Check for DTC P1570 | - |
| Check position, distance and angle of reflector | - | |
| Check installation of millimeter wave radar sensor | - | |
| Millimeter wave radar sensor | - | |
| Distance control ECU | Click here | |
| ECM (1UR-FE) | Click here | |
| ECM (3UR-FE) | Click here | |
| System cannot change between constant speed control mode and vehicle-to-vehicle distance control mode | Cruise control switch circuit | Click here |
| ECM (for 1UR-FE) | Click here | |
| ECM (for 3UR-FE) | Click here |