Lexus ES: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CONNECT TECHSTREAM
(a) Connect the Techstream to the DLC3 with the ignition switch off.
(b) Start the engine and run it at idle.
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / ABS/VSC/TRAC/EPB / Active Test.
HINT:
Refer to the Techstream operator's manual for further details.
2. INSPECT ACTUATOR MOTOR OPERATION
(a) Enter the following menus: Chassis / ABS/VSC/TRAC / Active Test / Motor Relay.
Chassis > ABS/VSC/TRAC > Active Test| Tester Display |
|---|
| Motor Relay |
(b) Turn the motor relay on and check for actuator motor operation sounds.
NOTICE:
Do not keep the motor relay on continuously for more than 5 seconds. If it needs to be operated repeatedly, wait an interval of more than 20 seconds between operations.
(c) Turn the motor relay off.
(d) Fully depress the brake pedal and hold it for approximately 15 seconds. Check that the initial brake pedal depth is maintained for the entire 15 seconds.
(e) Turn the motor relay on and check that the brake pedal does not pulsate.
NOTICE:
Do not keep the motor relay on continuously for more than 5 seconds. If it needs to be operated repeatedly, wait an interval of more than 20 seconds between operations.
(f) Turn the motor relay off and release the brake pedal.
3. INSPECT FRONT RIGHT WHEEL OPERATION
(a) Enter the following menus: Chassis / ABS/VSC/TRAC / Active Test / ABS Solenoid.
Chassis > ABS/VSC/TRAC > Active Test| Tester Display |
|---|
| ABS Solenoid |
(b) Depress the brake pedal and hold it.
NOTICE:
Do not turn on a solenoid in a manner different than that shown in the following steps.
(c) Turn the SFRH and SFRR solenoids on simultaneously and check that the brake pedal cannot be depressed further.
NOTICE:
Each solenoid operates for 2 seconds and turns off automatically. If a solenoid needs to be operated repeatedly, wait an interval of more than 20 seconds between operations.
(d) Turn the SFRH and SFRR solenoids off simultaneously and check that the brake pedal can be depressed.
(e) With the brake pedal still depressed, turn the motor relay on and check that the brake pedal rises.
Chassis > ABS/VSC/TRAC > Active Test| Tester Display |
|---|
| Motor Relay |
NOTICE:
Do not keep the motor relay on continuously for more than 5 seconds. If it needs to be operated repeatedly, wait an interval of more than 20 seconds between operations.
(f) Turn the motor relay off and release the brake pedal.
4. INSPECT OTHER WHEEL OPERATION
(a) Using the same procedure, check the solenoids for the other wheels.
HINT:
- Front left wheel: SFLH, SFLR
- Rear right wheel: SRRH, SRRR
- Rear left wheel: SRLH, SRLR
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 brak
Components
COMPONENTS ILLUSTRATION *1 FRONT STABILIZER LINK ASSEMBLY RH - - Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N*m (kgf*cm,
SEE MORE:
Motor Control Relay Stuck ON (Fr Shade) (B234A)
DESCRIPTION This DTC will be stored if the operation of the front roof sunshade is suspended and a pulse input of 10 Hz or more is detected when the motor relay is off. DTC No. Detection Item DTC Detection Condition Trouble Area B234A Motor Control Relay Stuck ON (Fr Shade) Position
Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. PRECAUTION NOTICE: After turning the engine switch (for Gasoline Model) or power switch (for HV Model) off, waiting time may be required bef
