TERMINALS OF ECU
CHECK 4WD ECU ASSEMBLY
(a) Measure the voltage and resistance of the connector.
Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
---|---|---|---|---|
R10-10 (4WDS) - R10-4 (GND) | P - W-B | AWD lock mode switch signal | Engine switch on (IG) AWD lock mode switch released → pressed and held | 11 to 14 V → Below 1 V |
R10-6 (CANH) - R10-5 (CANL) | B - W | HIGH-level CAN bus wire - LOW-level CAN bus wire | Cable disconnected from negative (-) battery terminal | 54 to 69 Ω |
R10-4 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
R10-3 (IG1) - R10-4 (GND) | B - W-B | Power source voltage | Engine switch on (IG) | 11 to 14 V |
R10-2 (SLC+) - R10-1 (SLC-) | L - B | 4WD linear solenoid signal | Shift lever in D, engine idling | Pulse generation (See waveform 1) |
If the result is not as specified, the 4WD ECU assembly may have a malfunction.
(b) Using an oscilloscope, check the waveform 1.
Waveform 1 (Reference) Item | Content |
---|---|
Terminal No. (Symbol) | R10-2 (SLC+) - R10-1 (SLC-) |
Tester Range | 2 V/DIV., 1 msec./DIV. |
Condition | Shift lever in D, engine idling |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Rear Center Seat Outer Belt Assembly(w/ Rear No. 2 Seat): Inspection
INSPECTION PROCEDURE 1. INSPECT REAR CENTER SEAT OUTER BELT ASSEMBLY (a) After installing the rear center seat outer belt assembly, check the ELR function. NOTICE: Do not disassemble the retractor. (1) Move the seatback of the rear No. 1 seat assembly RH to the upright position. Check that the se ...
Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > Before driving: Driving the vehicle
The following procedures should be observed to ensure safe driving:
Driving
1. With the brake pedal depressed, shift the shift lever to D.
2. Release the parking brake.
If the parking brake is in automatic mode, the parking brake is released
automatically
when shifting the shift lever to an ...