Lexus NX: Freeze Frame Data
FREEZE FRAME DATA
DESCRIPTION
(a) Whenever a road sign assist system DTC is stored, the forward recognition camera stores the current vehicle state (ECU and sensor information) 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 / Road Sign Assist / Trouble Codes.
Body Electrical > Road Sign Assist > 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 > Road Sign Assist| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Total Distance Traveled | - | - | - | This item is displayed on the Techstream but is not used. |
| Total Distance Traveled - Unit | - | - | - | This item is displayed on the Techstream but is not used. |
| Traffic Sign Estimated Speed Unit | - | - | - | This item is displayed on the Techstream but is not used. |
| Traffic Sign Estimated Traffic Division | - | - | - | This item is displayed on the Techstream but is not used. |
| RSA Navigation Fusion Control | RSA navigation fusion control setting | OFF or ON | OFF: RSA navigation fusion control off ON: RSA navigation fusion control on | - |
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FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) When a malfunction occurs in the road sign assist system, a message will be displayed on the multi-information display and the road sign assist system will be di
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Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Road Sign Assist System DTC No. Detection Item Link U012587 Lost Communication with Multi-axis Acceleration Sensor Module Missing Message U012987
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Lost Communication with ECM / PCM "A" (U0100,U0142,U023A)
DESCRIPTION
U0100: The meter mirror sub-assembly receives signals from the ECM via CAN communication.
U0142: The meter mirror sub-assembly receives signals from the main body ECU (multiplex network body ECU) via CAN communication.
U023A: The meter mirror sub-assembly receives signals from the
Visual Mute Signal Circuit between Radio Receiver and Multi-display
DESCRIPTION The radio receiver assembly sends a visual mute signal to the multi-display assembly. As a result, a black screen is inserted when the screen changes so that noise and distorted images are not displayed. When an open exists in the circuit, noise and distorted images will be displayed ins
