Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Terminals Of Ecu
TERMINALS OF ECU
CHECK FORWARD RECOGNITION CAMERA
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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 excessive force to the forward recognition camera connector.
(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 |
|---|---|---|---|---|
| U14-7 (IGB) - U14-10 (GND) | SB - BR | Power source | Engine switch on (IG) | 11 to 14 V |
| Engine switch off | Below 1 V | |||
| U14-10 (GND) - Body ground | BR - Body ground | Ground | Always | Below 1 Ω |
(b) Check for pulses according to the value(s) in the table below.
HINT:
If the waveform is not similar to that shown in the illustration, a malfunction of a CAN bus line, terminating resistor, or the forward recognition camera is suspected.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| U14-5 (CA1P) - U14-10 (GND) | V - BR | CAN communication signal | Engine switch on (IG) | Pulse generation (See waveform 1) |
| U14-6 (CANH) - U14-10 (GND) | B - BR | CAN communication signal | Engine switch on (IG) | Pulse generation (See waveform 1) |
| U14-11 (CA1N) - U14-10 (GND) | P - BR | CAN communication signal | Engine switch on (IG) | Pulse generation (See waveform 2) |
| U14-12 (CANL) - U14-10 (GND) | W - BR | CAN communication signal | Engine switch on (IG) | Pulse generation (See waveform 2) |
(1) Waveform 1
| Item | Content |
|---|---|
| Tester Connection |
|
| Tool Setting | 1 V/DIV., 10 μs./DIV. |
| Condition | Engine switch on (IG) |
HINT:
The waveform varies depending on the CAN communication signal.
.png)
(2) Waveform 2
| Item | Content |
|---|---|
| Tester Connection |
|
| Tool Setting | 1 V/DIV., 10 μs./DIV. |
| Condition | Engine switch on (IG) |
HINT:
The waveform varies depending on the CAN communication signal.
.png)
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of ...
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 ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > Lexus Display
Audio system: Playing an audio CD and
MP3/WMA/AAC discs
CD player operation
Insert a disc, press the "MEDIA" button or select "DISC" on the
"Source"
screen with a disc inserted to begin listening to a CD.
CD top screen
Pressing the "MEDIA" button displays the CD top screen from any screen of the
selected source.
■ Selecting a track/file
Press ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Shift Paddle Switch: Installation
INSTALLATION PROCEDURE 1. INSTALL NO. 1 SWITCH WIRE HINT: Perform this procedure only when replacement of the No. 1 switch wire is necessary. (a) Engage the 6 clamps to install the No. 1 switch wire to the steering wheel assembly. (b) Engage the 2 guides. (c) Connect the steering vibration and heate ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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