Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) When troubleshooting a vehicle with a diagnosis system, the only difference from the usual troubleshooting procedure is connecting the Techstream to the vehicle and reading various data output from the clearance warning ECU assembly.
The clearance warning ECU assembly stores DTCs when the ECU detects a malfunction in the ECU itself or in its circuits.
To check the DTCs, connect the Techstream to the DLC3 on the vehicle. The Techstream makes it possible to clear the DTCs, activate the various actuators, and check the freeze frame data and Data List.
CHECK DLC3
(a) Check the DLC3.
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Terminals Of Ecu
TERMINALS OF ECU CLEARANCE WARNING ECU ASSEMBLY (a) Disconnect the J38 clearance warning ECU assembly connector. (b) Measure the voltage and resistance on the wire harness side connector according to ...
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 intuitive parking assist system on. (d) Turn the Techstream on. (e) Enter the follo ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Airbag System: Short in Side Squib (RH) Circuit (B1820-B1823)
DESCRIPTION The front side squib RH circuit consists of the airbag sensor assembly and front seat airbag assembly RH. The airbag sensor assembly uses this circuit to deploy the airbag when deployment conditions are met. These DTCs are stored when a malfunction is detected in the front side squib RH ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Vehicle Stability Control System: ABS Pump Motor Control Circuit Open (C052C13,C052C49,C052F14)
DESCRIPTION The motor relay and motor fail safe relay are built into the brake actuator assembly. When the skid control ECU (brake actuator assembly) operate ABS, TRAC, VSC, brake hold or brake assist, the motor relay turns ON and drives the motor pump built into the brake actuator assembly. If any ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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