FREEZE FRAME DATA
Whenever a DTC is detected, the headlight leveling ECU assembly stores the current vehicle (sensor) state as freeze frame data.
CHECK FREEZE FRAME DATA
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.
According to the display on the GTS, select the trouble code data display with freeze frame data.
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| +B | IG power supply voltage value | 0.00 to 19.75 V | 11.00 to 14.00 V | - |
| Height Sens Pw Supply Val | Height control sensor power supply value | 0.00 to 5.00 V | 4.61 to 5.00 V | - |
| Rr Height Sens Signal Val | Rear height control sensor signal value | 0.00 to 5.00 V | 0.50 to 4.50 V | Value changes according to vehicle height |
| Headlight Low Beam State | Low beam headlight state | ON or OFF | ON: Low beam headlights on OFF: Low beam headlights off |
- |
| Headlight High Beam State | High beam headlight state | ON or OFF | ON: High beam headlights on OFF: High beam headlights off |
- |
| Front Right Wheel Speed Value | Front right wheel speed | 0.00 to 327.67 km/h (203.61 mph) | Condition can be displayed | - |
| Front Left Wheel Speed Value | Front left wheel speed | 0.00 to 327.67 km/h (203.61 mph) | Condition can be displayed | - |
| Vehicle Acceleration | Vehicle acceleration | -455.64 to 445.60 m/s2 |
Condition can be displayed | - |
| Number Of Trouble Codes | Number of trouble codes | 0 to 255 | Condition can be displayed | - |
CLEAR FREEZE FRAME DATA
Note
Clearing the DTCs will also clear the freeze frame data.
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Clear the DTCs and freeze frame data.