Visual Inspection - Suzuki SX4 Service Manual

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4F-22 Electronic Stability Program:
Scan Tool Data Definition
Battery volt (V)
Battery Voltage is an analog input signal read by the
ESP® control module. Certain ESP® control module
functions will be modified if the battery voltage falls
below or rises above programmed thresholds.
RF Wheel speed, LF Wheel speed, RR Wheel speed
and LR Wheel speed (km/h, MPH)
Wheel speed is ESP® control module internal
parameter. It is computed by reference pulses from the
wheel speed sensor.
Brake switch (ON, OFF)
This switch signal informs the ESP® control module
whether the brake is active or not.
Valve power driver (ON, OFF)
ESP® control module monitor the supply voltage to
solenoid valve power supply driver. If the voltage is
supplied, ON is displayed. Beside, OFF is displayed.
Master Cyl Press (MPa)
Brake fluid pressure from brake master cylinder.
G sensor (lateral) (G)
Lateral acceleration is measured by yaw rate / G sensor
and output to ESP® control module.
Right acceleration is displayed by "–", Left acceleration
is displayed by "+".
Yaw rate sensor (Deg/s)
Yaw rate sensor is measured by yaw rate / G sensor and
output to ESP® control module.
Right turn is displayed by "–", Left turn is displayed by
"+".
Steering angle Sen (°)
Steering wheel rotation angle is measured by steering
angle sensor and output to ESP® control module.
Right turn is displayed by "–", Left turn is displayed by
"+".

Visual Inspection

Check the following parts and systems visually.
Inspection Item
Battery
Connectors of electric wire
harness
Fuses
Brake fluid
Other parts that can be checked visually
Level, leakage
Disconnection, friction
Burning
Level, leakage
Steering angle Sen (Neutral, Non neutral)
This indicates steering wheel angle measured by
steering angle sensor is in straight-ahead or not.
ESP, off state (cont) (ESP, ON, ESP, OFF)
State of ESP® OFF switch.
Engine speed (RPM)
Engine speed computed by reference pulses from ECM.
Pump motor driver (ON, OFF)
This parameter indicates the operational condition of the
pump motor driver (transistor).
Inlet solenoid RF, Inlet solenoid LF, Inlet solenoid
RR, Inlet solenoid LR (ON, OFF)
This parameter indicates the operational condition of the
inlet solenoid valve.
Outlet solenoid RF, Outlet solenoid LF, Outlet
solenoid RR, Outlet solenoid LR (ON, OFF)
This parameter indicates the operational condition of the
outlet solenoid valve.
Cut solenoid No. 1, Cut solenoid No. 2 (ON, OFF)
This parameter indicates the operational condition of left-
front or right-rear commutation solenoid valve (No.1), or
right-front or left-rear commutation solenoid valve (No.2).
Suction solenoid No. 1, Suction solenoid No. 2 (ON,
OFF)
This parameter indicates the operational condition of left-
front or right-rear high pressure switching solenoid valve
(No.1), or right-front or left-rear high pressure switching
solenoid valve (No.2).
Brake Fluid Level (enough, NOT enough)
This parameter indicates brake fluid level is enough or
not by brake fluid level switch.
Referring section
"Battery Description in Section 1J"
"Intermittent and Poor Connection Inspection in Section
00"
"Brake Fluid Level Inspection in Section 4A"
S7RW0A4604051

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