ON-VEHICLE INSPECTION
PROCEDURE
1. SECURE VEHICLE
(a) Fully apply the parking brake and chock a wheel.
CAUTION:
2. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY OPERATION
(a) Turn the engine switch on (IG).
(b) Depress the brake pedal and check that the engine starts when the shift lever is in N or P, but does not start in any other position.
(c) Check that the back-up lights come on when the shift lever is moved to R, but do not come on with the shift lever in any other position.
If the operation is not as specified, check the park/neutral position switch assembly.
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Components
RemovalLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Pre-collision System: Stop Light Relay Actuator Stuck (C142571)
DESCRIPTION The skid control ECU (brake actuator assembly) sends a stop light operation request signal to the stop light relay (semiconductor PWR integration ECU). If the skid control ECU (brake actuator assembly) detects a malfunction in the stop light relay (semiconductor PWR integration ECU) circ ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Theft Deterrent System: Terminals Of Ecu
TERMINALS OF ECU CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (a) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly. Click here (b) Reconnect the instrument panel junction block assembly conne ...