FREEZE FRAME DATA
Whenever a DTC is detected, the headlight ECU sub-assembly stores the current vehicle (sensor) state as freeze frame data.
CHECK FREEZE FRAME DATA
for Triple Beam Headlight:
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical / AAFS.
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 |
|---|---|---|---|---|
| Traveling Direction | Traveling direction | Not Fwd or Fwd | Not Fwd: Shift lever in R or N Fwd: Shift lever not in R or N |
- |
| Headlight Low Beam State | Low beam headlight state | OFF ro ON | OFF: Low beam headlights off ON: Low beam headlights on |
- |
| Headlight High Beam State | High beam headlight state | OFF ro ON | OFF: High beam headlights off ON: High beam headlights on |
- |
| DRL State | Daytime running light state | OFF ro ON | OFF: Daytime running lights off ON: Daytime running lights on |
The display is different depending on the destination. |
| Clearance Light State | Clearance light state | OFF ro ON | OFF: Clearance lights off ON: Clearance lights on |
- |
| Right Cornering Light/Front Side Illuminate Light State | Cornering light RH state | OFF ro ON | OFF: Cornering light RH off ON: Cornering light RH on |
- |
| Left Cornering Light/Front Side Illuminate Light State | Cornering light LH state | OFF ro ON | OFF: Cornering light LH off ON: Cornering light LH on |
- |
| Daylight Operating State | Daytime running light state | OFF ro ON | OFF: Daytime running lights off ON: Daytime running lights on |
The display is different depending on the destination. |
| Engine | Engine condition | Run or Stop | Stop: Engine is stopped Run: Engine is running |
- |
| Steering Sens Signal | Steering sensor signal value | -384.0 deg to 382.5 deg | 0.0 deg | 0.0 deg is displayed when steering wheelis centered. |
| FR Wheel Speed | Front right wheel speed | 0.00 to 260.00 km/h (161.56 mph) | Almost same as actual vehicle speed Vehicle stopped: 0 km/h (0 mph) |
- |
| FL Wheel Speed | Front left wheel speed | 0.00 to 260.00 km/h (161.56 mph) | Almost same as actual vehicle speed Vehicle stopped: 0 km/h (0 mph) |
- |
| Vehicle Acceleration | Vehicle acceleration | -455.64 to 445.60 m/s2 |
Condition can be displayed Vehicle stopped: 0.0 m/s2 |
- |
| Leveling Motor Slave | Status of the headlight leveling motor slave | Normal or Abnormal | Normal: Headlight leveling motor is normal Abnormal: Headlight leveling motor is not normal |
When Abnormal, LIN communication may be lost. |
| Leveling Motor Over-Run | Status of the headlight leveling motor over-run | Normal or Abnormal | Normal: Headlight leveling motor is normal Abnormal: Headlight leveling motor is not normal |
When Abnormal, LIN communication may be lost. |
| +B | Headlight ECU sub-assembly LH IG power supply voltage value | 0 to 19.75 V | 11 to 14 V | - |
| +B Voltage Value | Headlight ECU sub-assembly LH +B power supply voltage value | 0 to 19.75 V | 11 to 14 V | - |
| Number Of Trouble Codes | Number of trouble codes | 0 to 255 | Number of stored DTCs displayed | - |
for Single Beam Headlight:
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical / HL AutoLeveling.
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 |
|---|---|---|---|---|
| Height Sens Pw Supply Val | Rear 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. |
| +B Voltage Value | Headlight ECU sub-assembly LH +B power supply voltage value | 0 to 19.75 V | 11 to 14 V | - |
| Headlight Low Beam State | Low beam headlight state | OFF or ON | OFF: Low beam headlights off ON: Low beam headlights on |
- |
| Headlight High Beam State | High beam headlight state | OFF or ON | OFF: High beam headlights off ON: High beam headlights on |
- |
| DRL Operating State | Daytime running light state | OFF or ON | OFF: Daytime running light off ON: Daytime running light on |
The display is different depending on the destination. |
| Daylight Operating State | Daytime running light state | OFF or ON | OFF: Daytime running light off ON: Daytime running light on |
The display is different depending on the destination. |
| Steering Sensor Signal | Steering angle sensor value | -384 to 382.5 deg | 0.0 deg | 0.0 deg is displayed when steering wheel is centered. |
| Front Right Wheel Speed Value | Front right wheel speed | 0.00 to 260.00 km/h (161.56 mph) | Almost same as actual vehicle speed Vehicle stopped: 0 km/h (0 mph) |
- |
| Front Left Wheel Speed Value | Front left wheel speed | 0.00 to 260.00 km/h (151.56 mph) | Almost same as actual vehicle speed Vehicle stopped: 0 km/h (0 mph) |
- |
| Vehicle Acceleration | Vehicle acceleration | -455.64 to 445.60 m/s2 |
Condition can be displayed Vehicle stopped: 0.0 m/s2 |
- |
| Clearance Light State | Clearance light state | OFF or ON | OFF: Clearance light off ON: Clearance light on |
- |
| Right Cornering Light State | Cornering light RH state | OFF or ON | ON: Cornering light RH on OFF: Cornering light RH off |
w/ Front Fog Light |
| Left Cornering Light State | Cornering light LH state | OFF or ON | ON: Cornering light LH on OFF: Cornering light LH off |
w/ Front Fog Light |
| 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 engine switch on (IG).
Clear the DTCs and freeze frame data.
for Triple Beam Headlight:
for Single Beam Headlight: