Lexus ES: On-vehicle Inspection
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. INSPECT VACUUM WARNING SWITCH ASSEMBLY
(a) Start the engine and stop it after 1 or 2 minutes.
(b) Remove the battery.
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(c) Disconnect the connector from the vacuum warning switch assembly.
(d) Measure the resistance of the vacuum warning switch assembly.
Standard Resistance:
10 kΩ or higher
(e) 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
(f) Connect the connector to the vacuum warning switch assembly.
(g) Install the battery.
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READ NEXT:
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT BRAKE FLUID LEVEL IN RESERVOIR Click here 2. INSPECT BRAKE BOOSTER ASSEMBLY Click here 3. INSPECT VACUUM WARNING SWITCH ASSEMBLY (a) Start the engine an
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during vacu
SEE MORE:
TERMINALS OF ECU TERMINALS OF ECU *a Component without harness connected (Rack and Pinion Power Steering Gear Assembly) - - HINT:
The rack and pinion power steering gear assembly uses waterproof connectors. Therefore, voltage or waveforms cannot be checked with the connectors connect
TERMINALS OF ECU PARKING ASSIST ECU (a) Disconnect the N44 parking assist ECU connector. (b) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition N44-1 (+B) - N44-4 (GND1
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