DESCRIPTION
Whenever PCS DTC is detected, the driving support ECU assembly stores the current vehicle (ECU or sensor) 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 / Pre-Crash 2 / Trouble Codes.
According to the GTS display, select a DTC that stored freeze frame data.
Read the freeze frame data recorded when the DTC was stored.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| Turn Light RH | Turn signal switch (right) status/ ON or OFF |
ON: Turn signal switch (right) on OFF: Turn signal switch (right) off |
- |
| Turn Light LH | Turn signal switch (left) status/ ON or OFF |
ON: Turn signal switch (left) on OFF: Turn signal switch (left) off |
- |
| PCS Indicator | "Pre-crash Safety Malfunction Visit Your Dealer" display request signal/ ON or OFF |
ON: "Pre-crash Safety Malfunction Visit Your Dealer" display requested OFF: "Pre-crash Safety Malfunction Visit Your Dealer" display not requested |
- |
| PCS Disabled Indicator | "Pre-crash Safety Unavailable " display request signal/ ON or OFF |
ON: "Pre-crash Safety Unavailable" display requested OFF: "Pre-crash Safety Unavailable" display not requested |
- |
| Pre-Crash Safety Warning Buz | Pre-crash safety system warning buzzer/ Valid or Inval |
Valid: Pre-crash warning buzzer operation possible Inval: Pre-crash warning buzzer operation not possible |
- |
| Pre-Crash Brake | Pre-crash brake function/ Valid or Inval |
Valid: Pre-crash brake operation possible Inval: Pre-crash brake operation not possible |
- |
| Warning Brake | Warning brake activation signal/ ON or OFF |
ON: Warning brake activated OFF: Warning brake not activated |
- |
| Brake Assist Standby | Supplemental brake pressure signal/ ON or OFF |
ON: Supplemental brake pressure being provided OFF: Supplemental brake pressure not being provided |
Signal status changes when supplemental brake pressure is being provided after a crash is judged as unavoidable and before the brake pedal is depressed |
| Pre-Crash Brake Control | Pre-crash brake operational status/ ON or OFF |
ON: Pre-crash brake operating OFF: Pre-crash brake not operating |
Status changes when pre-crash brake operates before a crash |
| AVS Start | AVS control activation status/ ON or OFF |
ON: AVS control activated OFF: AVS control not activated |
Not Supported |
| VGRS Start | VGRS control activation status/ ON or OFF |
ON: VGRS control activated OFF: VGRS control not activated |
Not Supported |
| The Number of DTCs | Number of past trouble codes/min: 0, max: 255 | Number of DTCs will be displayed | - |