Lexus NX: Freeze Frame Data
FREEZE FRAME DATA
DESCRIPTION
(a) When a pre-collision system DTC is stored, the forward recognition camera stores the current vehicle (ECU or sensor) state as Freeze Frame Data.
CHECK FREEZE FRAME DATA
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Pre-Collision System / Trouble Codes.
Body Electrical > Pre-Collision System > Trouble Codes(e) According to the Techstream display, select a DTC that stored freeze frame data.
(f) Read the freeze frame data recorded when the DTC was stored.
Body Electrical > Pre-Collision System| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Total Distance Traveled | - | - | - | Not applicable |
| Total Distance Traveled - Unit | - | - | - | Not applicable |
| PCS Function ON/OFF State | Pre-collision system on/off status | ON or OFF | ON: Pre-collision system on OFF: Pre-collision system off | - |
| PBA Request | Pre-collision brake assist operation status | Not PBA Request, PBA Standby Request, PBA Request Level 1, PBA Request Level 2 | Not PBA Request: Pre-collision brake assist operation is not requested. PBA Standby Request: Pre-collision brake assist weak assist is requested. PBA Request Level 1: Pre-collision brake assist mild assist is requested. PBA Request Level 2: Pre-collision brake assist strong assist is requested. | The value varies according to the possibility of a collision. The pre-collision brake assist request only indicates the status that the assist preparation is necessary. Whether or not the assist control is actually performed is dependent upon how the driver depresses the brake. |
| VGRS Activation Request | VGRS control activation request | Not Request, VGRS 1 Request, VGRS 2 Request, VGRS 3 Request | Not Request: No request VGRS 1 Request: Request 1 VGRS 2 Request: Request 2 VGRS 3 Request: Request 3 | This item is displayed on the Techstream for vehicles without the VGRS system, but cannot be used |
| Warning Brake Request | Warning brake request status | ON or OFF | ON: Warning brake request on OFF: Warning brake request off | - |
| FPB Request | PCS brake request to skid control ECU (brake booster with master cylinder assembly) (pre-collision braking) | ON or OFF | ON: Operating OFF: Not operating | - |
| PB Request | Pre-collision brake operation status | ON or OFF | ON: Operating OFF: Not operating | - |
| AVS Control Request | AVS operation status | ON or OFF | ON: Operating OFF: Not operating | This item is displayed on the Techstream for vehicles without AVS, but cannot be used |
| Prefill | PCS brake operation preparation to skid control ECU (brake booster with master cylinder assembly) | ON or OFF | ON: Operating OFF: Not operating | - |
| PBR Request | PBR operation status | ON or OFF | ON: Operating OFF: Not operating | - |
| PBH Request | PBH operation status | ON or OFF | ON: Operating OFF: Not operating | - |
| LPB Request | LPB operation status | ON or OFF | ON: Operating OFF: Not operating | - |
| PCS PBA Invalid | Pre-collision brake assist function status | ON or OFF | ON: Pre-collision brake assist function valid OFF: Pre-collision brake assist function invalid | - |
| PCS Warning Buzzer Invalid | PCS warning buzzer function status | ON or OFF | ON: PCS warning buzzer function valid OFF: PCS warning buzzer function invalid | - |
| PCS PB Invalid | PCS brake function status | ON or OFF | ON: PCS brake function valid OFF: PCS brake function invalid | - |
| PCS Warning Display Request | PCS warning display request status for the multi-information display | Not Request, PCS Warning Display 1 Request, PCS Warning Display 2 Request, PCS Warning Display 3 Request | Not Request: No display PCS Warning Display 1 Request: Display 1 PCS Warning Display 2 Request: Display 2 PCS Warning Display 3 Request: Display 3 | - |
| PCS Warning Buzzer Request | PCS warning buzzer (skid control buzzer) status | ON or OFF | ON: PCS warning buzzer sounding OFF: PCS warning buzzer not sounding | - |
| PCS Function ON/OFF State Stored | Storage condition of PCS ON/OFF condition when the PCS function is off and the power switch is turned from off to on (IG) | Stored or Not Stored | Stored: Pre-collision system maintains off Not stored: Pre-collision system always turns on | - |
| PCS Warning Timing State Stored 2 | Storage condition of warning sensitivity setting when the PCS function is off and the power switch is turned from off to on (IG) | Stored or Not Stored | Stored: Sensitivity and CAUTION settings are maintained as previous value Not stored: Sensitivity and CAUTION is reset to default setting | - |
| PCS Warning Timing State Stored 3 | Storage condition of warning sensitivity setting when the PCS function is turned from off to on while the power switch is on (IG) | Stored or Not Stored | Stored: Sensitivity and CAUTION settings are maintained as previous value Not stored: Sensitivity and CAUTION is reset to default setting | - |
| PCS Warning Timing State Stored 1 | Storage condition of warning sensitivity setting when the PCS function is on and the power switch is turned from off to on (IG) | Stored or Not Stored | Stored: Sensitivity and CAUTION settings are maintained as previous value Not stored: Sensitivity and CAUTION is reset to default setting | - |
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