FREEZE FRAME DATA
Whenever a lighting system DTC is stored, the headlight light control 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 engine switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.
Select a DTC to display its freeze frame data.
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| +B Voltage Value | Headlight light control ECU sub-assembly LH power supply voltage value | 0 to 19.75 V | 11 to 14 V | - |
| 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 |
- |
| DRL Operating State | Daytime running light state | ON or OFF | ON: Daytime running lights on OFF: Daytime running lights off |
- |
| Clearance Light State | Clearance light state | ON or OFF | ON: Clearance lights on OFF: Clearance lights off |
- |
| Number Of Trouble Codes | Number of stored DTCs when freeze frame data stored | 0 to 255 | 0 to 255 | - |
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.