ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT BRAKE FLUID LEVEL IN RESERVOIR
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2. INSPECT BRAKE BOOSTER ASSEMBLY
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3. REMOVE FRONT WIPER MOTOR AND LINK ASSEMBLY
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4. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY
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5. INSPECT VACUUM WARNING SWITCH ASSEMBLY
(a) Start the engine and stop it after 1 or 2 minutes.
(b) Disconnect the connector from the vacuum warning switch assembly.
(c) Measure the resistance of the vacuum warning switch assembly.
Standard Resistance:
10 kΩ or higher
(d) With the engine stopped, depress the brake pedal several times to release vacuum from the brake booster assembly, and measure the resistance of the vacuum warning switch assembly.
Standard Resistance:
Below 1 Ω
(e) Connect the connector to the vacuum warning switch assembly.
6. INSTALL OUTER COWL TOP PANEL SUB-ASSEMBLY
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7. INSTALL FRONT WIPER MOTOR AND LINK ASSEMBLY
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Components
InstallationLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Integration Relay: On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT SEMICONDUCTOR POWER INTEGRATION ECU (SIGNAL READING CHECK) NOTICE: Both present and history signal readings will be cleared if the semiconductor power integration ECU is removed. Make sure not to remove it before inspection. HINT: The signal readings of the ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Can Communication System: Front Camera Module Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Front Camera Module Communication Stop Mode Either condition is met:
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Communication system DTCs (DTCs that start with U) that corresp ...