Lexus ES: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT BRAKE FLUID LEVEL IN RESERVOIR
Click here .gif)
2. INSPECT BRAKE BOOSTER ASSEMBLY
Click here
3. INSPECT VACUUM WARNING SWITCH ASSEMBLY
(a) Start the engine and stop it after 1 or 2 minutes.
(b) Remove the battery.
for A25A-FKS: Click here
for 2GR-FKS: Click here
(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.
for A25A-FKS: Click here
for 2GR-FKS: Click here
READ NEXT:
Removal
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:
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Telematics System DTC No. Detection Item Link U014087 Lost Communication with Body Control Module Missing Message U015587 Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message U016387 Lost Communication
Fail-safe Chart
FAIL-SAFE CHART If the following DTC is stored, the ECM enters fail-safe mode to allow the vehicle to be driven temporarily. DTC No. Fail-safe Operation Fail-safe Deactivation Condition P161A87 Generator command is fixed. Engine switch is turned on (IG) after condition returns to norm
