Lexus NX: Terminals Of Ecu
Lexus NX Service Manual / Engine & Hybrid System / Cruise Control / Road Sign Assist System / Terminals Of Ecu
TERMINALS OF ECU
NOTICE:
- DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the Techstream once the inspection has been completed.
- Do not apply larger loads than necessary since the connector may be damaged.
CHECK FORWARD RECOGNITION CAMERA
(a) Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| T18-7 (IGB) - T18-10 (GND) | GR - W-B | Power source | Power switch on (IG) | 11 to 14 V |
| Power switch off | Below 1 V | |||
| T18-10 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
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Diagnosis System
DIAGNOSIS SYSTEM DIAGNOSIS FUNCTION (a) The road sign assist system displays a warning message on the multi-information display to inform the driver that the system is unavailable when it is malfuncti
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (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 / T
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. C
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Different Diameter Tire Malfunction (C1348)
DESCRIPTION If the hybrid vehicle control ECU receives a signal from the skid control ECU (brake booster with master cylinder assembly) that the AWD system is malfunctioning, the hybrid vehicle control ECU outputs this DTC. DTC No. Detection Item INF Code DTC Detection Condition Trouble A
Vehicle Control History
VEHICLE CONTROL HISTORY CHECK THE VEHICLE CONTROL HISTORY (LIGHTING SYSTEM) HINT:
The vehicle control history data (lighting system) stores the history of the reject function and system protection operations.
The number of occurrences, date and distance are stored in batches for each item.
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