Lexus NX: Terminals Of Ecu
Lexus NX Service Manual / Engine & Hybrid System / Cruise Control / Front Camera System / Terminals Of Ecu
TERMINALS OF ECU
CHECK FORWARD RECOGNITION CAMERA
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.
(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) - Body ground | LA-P - Body ground | Power source | Power switch on (IG) | 11 to 14 V |
| Power switch off | Below 1 V | |||
| T18-1 (HTR) - Body ground | B - Body ground | Forward recognition with heater hood sub-assembly operation signal | Power switch on (IG), forward recognition with heater hood sub-assembly not operating | 11 to 14 V |
| Power switch on (IG), forward recognition with heater hood sub-assembly operating | 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 front camera system does not have a notification function such as a warning light when a DTC is detected. When a malfunction occurs, it stores a DTC and sen
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: Chassis / Front Recognition Camera / T
Freeze Frame Data
FREEZE FRAME DATA DESCRIPTION (a) When a front camera system DTC is stored, the forward recognition camera stores the current vehicle (ECU or sensor) state as Freeze Frame Data. CHECK FREEZE FRAME DAT
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Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE AIR CONDITIONING RADIATOR ASSEMBLY (a) Disconnect the No. 1 blower damper servo sub-assembly connector. (b) Detach the 3 clamps and remove the air conditioning harness assembly. (c) Remove the 2 screws. (d) Detach the 2 claws and remove t
Removal
REMOVAL PROCEDURE 1. PRECAUTION (a) w/ Parking Assist Monitor System: Click here (b) w/ Panoramic View Monitor System: Click here 2. REMOVE BACK DOOR TRIM BASE (w/ Power Back Door) Click here 3. REMOVE PULL HANDLE (w/ Power Back Door) Click here 4. REMOVE BACK DOOR FINISH COVER LH (w/o Power
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