Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Terminals Of Ecu
TERMINALS OF ECU
CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)
(a) Disconnect the U2 sliding roof ECU (sliding roof drive gear assembly) connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
HINT:
Measure the values on the wire harness side with the connector disconnected.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| U2-1 (B) - U2-2 (E) | P - W-B | Battery power supply | Always | 11 to 14 V |
| U2-6 (IG) - U2-2 (E) | B - W-B | IG power supply | Engine switch off | Below 1 V |
| U2-6 (IG) - U2-2 (E) | B - W-B | IG power supply | Engine switch on (IG) | 11 to 14 V |
| U2-2 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
(c) Reconnect the U2 sliding roof ECU (sliding roof drive gear assembly) connector.
(d) Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| U2-10 (OPN) - U2-2 (E) | L - W-B | Sliding roof open switch input signal | Engine switch on (IG), sliding roof open switch on | Below 1 V |
| U2-10 (OPN) - U2-2 (E) | L - W-B | Sliding roof open switch input signal | Engine switch on (IG), sliding roof open switch off | 11 to 14 V |
| U2-8 (CLS) - U2-2 (E) | P - W-B | Sliding roof close switch input signal | Engine switch on (IG), sliding roof close switch on | Below 1 V |
| U2-8 (CLS) - U2-2 (E) | P - W-B | Sliding roof close switch input signal | Engine switch on (IG), sliding roof close switch off | 11 to 14 V |
| U2-4 (TILT) - U2-2 (E) | G - W-B | Sliding roof tilt switch input signal | Engine switch on (IG), sliding roof tilt switch on | Below 1 V |
| U2-4 (TILT) - U2-2 (E) | G - W-B | Sliding roof tilt switch input signal | Engine switch on (IG), sliding roof tilt switch off | 11 to 14 V |
| U2-9 (CLS) - U2-2 (E) | R - W-B | Roof sunshade close switch input signal | Engine switch on (IG), roof sunshade close switch on | Below 1 V |
| U2-9 (CLS) - U2-2 (E) | R - W-B | Roof sunshade close switch input signal | Engine switch on (IG), roof sunshade close switch off | 11 to 14 V |
| U2-5 (OPN) - U2-2 (E) | W - W-B | Roof sunshade open switch input signal | Engine switch on (IG), roof sunshade open switch on | Below 1 V |
| U2-5 (OPN) - U2-2 (E) | W - W-B | Roof sunshade open switch input signal | Engine switch on (IG), roof sunshade open switch off | 11 to 14 V |
CHECK ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)
(a) Disconnect the w1 roof sunshade ECU (sliding roof drive gear assembly) connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
HINT:
Measure the values on the wire harness side with the connector disconnected.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| w1-1 (+B) - w1-2 (E) | R - B | Battery power supply | Always | 11 to 14 V |
| w1-6 (IG) - w1-2 (E) | V - B | IG power supply | Engine switch off | Below 1 V |
| w1-6 (IG) - w1-2 (E) | V - B | IG power supply | Engine switch on (IG) | 11 to 14 V |
| w1-2 (E) - Body ground | B - Body ground | Ground | Always | Below 1 Ω |
(c) Reconnect the w1 roof sunshade ECU (sliding roof drive gear assembly) connector.
(d) Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| w1-10 (OPN) - w1-2 (E) | G - B | Sliding roof open switch input signal | Engine switch on (IG), sliding roof open switch on | Below 1 V |
| w1-10 (OPN) - w1-2 (E) | G - B | Sliding roof open switch input signal | Engine switch on (IG), sliding roof open switch off | 11 to 14 V |
| w1-8 (CLS) - w1-2 (E) | L - B | Sliding roof close switch input signal | Engine switch on (IG), sliding roof close switch on | Below 1 V |
| w1-8 (CLS) - w1-2 (E) | L- B | Sliding roof close switch input signal | Engine switch on (IG), sliding roof close switch off | 11 to 14 V |
| w1-4 (VENT) - w1-2 (E) | Y - B | Sliding roof tilt switch input signal | Engine switch on (IG), sliding roof tilt switch on | Below 1 V |
| w1-4 (VENT) - w1-2 (E) | Y - B | Sliding roof tilt switch input signal | Engine switch on (IG), sliding roof tilt switch off | 11 to 14 V |
| w1-9 (CLS) - w1-2 (E) | GR - B | Roof sunshade close switch input signal | Engine switch on (IG), roof sunshade close switch on | Below 1 V |
| w1-9 (CLS) - w1-2 (E) | GR - B | Roof sunshade close switch input signal | Engine switch on (IG), roof sunshade close switch off | 11 to 14 V |
| w1-5 (OPN) - w1-2 (E) | BR - B | Roof sunshade open switch input signal | Engine switch on (IG), roof sunshade open switch on | Below 1 V |
| w1-5 (OPN) - w1-2 (E) | BR - B | Roof sunshade open switch input signal | Engine switch on (IG), roof sunshade open switch off | 11 to 14 V |
CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
Click here .gif)
Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) Panoramic moon roof system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). When the system seems to be malfuncti ...
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Sliding Roof or Sli ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Front Blower Motor: Components
COMPONENTS ILLUSTRATION *1 BLOWER MOTOR WITH FAN SUB-ASSEMBLY *2 COWL SIDE TRIM BOARD RH *3 FRONT DOOR SCUFF PLATE RH *4 NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Rear Seat Outer Belt Assembly: Disposal
DISPOSAL CAUTION / NOTICE / HINT CAUTION: Before performing pre-disposal deployment of any SRS part, review and closely follow all applicable environmental and hazardous material regulations. Pre-disposal deployment may be considered hazardous material treatment. PROCEDURE 1. PRECAUTION CAUTION:
...
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
0.0151