FREEZE FRAME DATA
Whenever an automatic headlight beam level control system DTC is stored, the No. 1 headlight ECU sub-assembly LH stores the current vehicle 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*1 or AHS*2 / Trouble Codes.
*1: w/o Adaptive High Beam System
*2: w/ Adaptive High Beam System
Select a DTC to display its freeze frame data.
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| +B | No. 1 headlight ECU sub-assembly LH IG power supply voltage value | 0.00 to 19.75 V | 11.00 to 14.00 V | - |
| Height Sens Pw Supply Val | Rear height control sensor sub-assembly LH power supply value | 0.00 to 5.00 V | 4.61 to 5.00 V | - |
| Rr Height Sens Signal Val | Rear height control sensor sub-assembly LH signal value | 0.00 to 5.00 V | 0.50 to 4.50 V | Value changes according to vehicle height |
| +B Voltage Value | No. 1 headlight ECU sub-assembly LH +B power supply voltage value | 0.00 to 19.75 V | 11.00 to 14.00 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 lights off ON: Daytime running lights on |
- |
| Steering Sensor Signal | Steering sensor signal value | -384.0 to 382.5 deg | Changes according to the operation of the steering wheel | - |
| Front Right Wheel Speed Value | Front right wheel speed | 0.00 to 260.00 km/h (162.00 mph) | Condition can be displayed | - |
| Front Left Wheel Speed Value | Front left wheel speed | 0.00 to 260.00 km/h (162.00 mph) | Condition can be displayed | - |
| Vehicle Acceleration | Vehicle acceleration | -445.64 to 445.63 m/s2 |
Condition can be displayed | - |
| Clearance Light State | Clearance light state | OFF or ON | OFF: Clearance lights off ON: Clearance lights on |
- |
| Right Cornering Light State | Cornering light RH state | OFF or ON | OFF: Cornering light RH off ON: Cornering light RH on |
Although this item is displayed on the GTS, it is not applicable to this vehicle. |
| Left Cornering Light State | Cornering light LH state | OFF or ON | OFF: Cornering light LH off ON: Cornering light LH on |
Although this item is displayed on the GTS, it is not applicable to this vehicle. |
| Number Of Trouble Codes | Number of trouble codes | 0 to 255 | Number of stored DTCs displayed | - |
| 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 position Fwd: Shift lever not in R or N position |
- |
| 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 State | Daytime running light state | OFF or ON | OFF: Daytime running lights off ON: Daytime running lights on |
- |
| Clearance Light State | Clearance light state | OFF or ON | OFF: Clearance lights off ON: Clearance lights on |
- |
| Engine | Ready signal | Stop or Run | Stop: Power switch not on (READY) Run: Power switch on (READY) |
- |
| Passing Light Switch | Dimmer switch high flash position (pass) signal | OFF or ON | OFF: Dimmer switch not in high flash position ON: Dimmer switch in high flash position |
- |
| Optical Axis Control State | Optical axis control state | OFF or ON | OFF: Optical axis control (function to tilt up the headlights to illuminate farther distances when driving at high speeds) is not being performed ON: Optical axis control (function to tilt up the headlights to illuminate farther distances when driving at high speeds) is being performed |
- |
| Steering Sens Signal | Steering sensor signal value | -384.0 to 382.5 deg | Changes according to the operation of the steering wheel | - |
| FR Wheel Speed | Front right wheel speed | 0.00 to 327.67 km/h (203.60 mph) | Condition can be displayed | - |
| FL Wheel Speed | Front left wheel speed | 0.00 to 327.67 km/h (203.60 mph) | Condition can be displayed | - |
| Vehicle Acceleration | Vehicle acceleration | -445.64 to 445.60 m/s2 |
Condition can be displayed | - |
| Leveling Motor Slave | Status of the headlight leveling motor slave | Normal or Abnoml | Normal: Headlight leveling motor is normal Abnoml: Headlight leveling motor is not normal |
If operation is abnormal, there may be a LIN communication error |
| Leveling Motor Over-Run | Status of the headlight leveling motor over-run | Normal or Abnoml | Normal: Headlight leveling motor is normal Abnoml: Headlight leveling motor is not normal |
If operation is abnormal, there may be a LIN communication error |
| +B | No. 1 headlight ECU sub-assembly LH IG power supply voltage value | 0.00 to 19.75 V | 11.00 to 14.00 V | - |
| +B Voltage Value | No. 1 headlight ECU sub-assembly LH +B power supply voltage value | 0.00 to 19.75 V | 11.00 to 14.00 V | - |
| Number Of Trouble Codes | Number of trouble codes | 0 to 255 | Number of stored DTCs 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.
w/o Adaptive High Beam System
w/ Adaptive High Beam System