Lexus NX: Can Communication System
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Utility
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Combination Table
- Dtc Check / Clear
- Fail-safe Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- ECU Malfunction (B1003)
- Lost Communication with "Door Control Module A" (U0199)
- Lost Communication with "Door Control Module B" (U0200)
- Lost Communication with "Seat Control Module A" (U0208)
- Lost Communication with Rear Gate Module (U0230)
- Lost Communication with Gateway Module (Main Body ECU) (U1002)
- Lost Communication with Tilt & (U1115)
- Hybrid Vehicle Control ECU Communication Stop Mode
- Skid Control ECU Communication Stop Mode
- Clearance Warning ECU Communication Stop Mode
- Air Conditioning Amplifier Communication Stop Mode
- Power Steering ECU Communication Stop Mode
- Steering Angle Sensor Communication Stop Mode
- ECM Communication Stop Mode
- Main Body ECU Communication Stop Mode
- Combination Meter ECU Communication Stop Mode
- Certification ECU Communication Stop Mode
- Center Airbag Sensor Communication Stop Mode
- Parking Assist ECU Communication Stop Mode
- Suspension Control ECU Communication Stop Mode
- Headlight ECU Communication Stop Mode
- Electric Parking Brake ECU Communication Stop Mode
- Radio Receiver Assembly Communication Stop Mode
- Blind Spot Monitor Sensor Communication Stop Mode
- Bus Buffer ECU Communication Stop Mode
- DCM Communication Stop Mode
- ASC ECU Communication Stop Mode
- Vehicle Approaching Sound ECU Communication Stop Mode
- Headup Display Communication Stop Mode
- Millimeter Wave Radar Sensor Communication Stop Mode
- Rear Television Camera Communication Stop Mode
- Open in Bus 2 Main Bus Line
- Check Bus 2 Lines for Short Circuit
- Check Bus 2 Line for Short to +B
- Check Bus 2 Line for Short to GND
- Open in One Side of Bus 2 Branch Line
- Open in Bus 3 Main Bus Line
- Check Bus 3 Lines for Short Circuit
- Check Bus 3 Line for Short to +B
- Open in One Side of Bus 3 Branch Line
- Open in Bus 5 Main Bus Line
- Check Bus 5 Lines for Short Circuit
- Check Bus 5 Line for Short to +B
- Check Bus 5 Line for Short to GND
- Open in One Side of Bus 5 Branch Line
- Front Camera Module Communication Stop Mode
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Precaution
PRECAUTION CAN COMMUNICATION SYSTEM TROUBLESHOOTING (a) Because the order of diagnosis is important to allow correct diagnosis, make sure to begin troubleshooting using How to Proceed with Troubleshoo
Parts Location
PARTS LOCATION ILLUSTRATION *A w/ Memory *B w/ Pre-collision System *C for Triple Beam Headlight - - *1 FORWARD RECOGNITION CAMERA *2 OUTER MIRROR CONTROL ECU ASSEMBLY RH
System Diagram
SYSTEM DIAGRAM SYSTEM DIAGRAM (a) The CAN communication system is composed of 5 buses. CAN Main Bus Line Terminating Resistor CAN Branch Line * Gateway Function Equipped ECU
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Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE HOOD INSULATOR (a) Using a clip remover, remove the 7 clips. (b) Detach the 2 guides and remove the hood insulator. 2. REMOVE HOOD TO FRONT FENDER SEAL LH (a) Using a clip remover, detach the 2 claws and remove the hood to front fender seal LH.
Telematics Transceiver Disconnected (B15DB)
DESCRIPTION If the radio receiver assembly cannot detect the DCM (telematics transceiver) for a certain period of time (90 seconds) after the power switch is turned on (IG) and the radio receiver assembly confirms that the information is missing by checking past DCM (telematics transceiver) recognit
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