Visual Inspection - Suzuki SX4 Service Manual
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Also See for SX4:
- Owner's manual (47 pages) ,
- Owner's manual (16 pages) ,
- Owner's manual (18 pages)
Table of Contents
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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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Table of Contents
Troubleshooting
Need help?
Do you have a question about the SX4 and is the answer not in the manual?
Questions and answers
Adjust throttle motor
The idle speed on a Suzuki SX4 should be controlled by the Idle Air Control Valve (IACV) rather than adjusting the idle screw on the throttle body, as the screw is factory set. Before using compressed air in the idle-air-bypass passages, the IACV should be removed to prevent damage to its delicate mechanism. If there is an issue with idle speed, checking the IACV function and referring to the SX4 service manual is recommended.
This answer is automatically generated
I have an issue of crank but not starting When I scan it brought this codeU0100 Which means no communication thou crank sensor wire was cut off but it was fix back What could be wrong and what could be the solution,
increasing revs when changing gears
The Suzuki SX4 may have increasing revs when changing gears due to its drive-by-wire system and the difference in final drive ratios between the manual (4.41) and automatic (2.81) transmissions. This difference causes high cruising RPMs in the manual version and sluggishness in the automatic. Additionally, if the revs climb while going uphill, it may be due to the transmission downshifting or kicking out of overdrive. Other possible causes include low transmission fluid, abuse, or a faulty transmission design.
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My heater stopped working the blower **** is good, control unit ?
Possible issues with the heater in a Suzuki SX4 if the blower is working but the heater is not include:
1. Incorrect Temperature Output
- Temperature control cable broken or bent (non-A/C and manual A/C) → Check the temperature control cable.
- Temperature selector faulty (non-A/C and manual A/C) → Check the temperature selector.
- Incorrect installation of the temperature control cable (non-A/C and manual A/C) → Check and adjust the position as necessary.
- Temperature control door assembly broken → Repair the temperature control door assembly.
- Air ducts clogged → Repair air ducts.
- Heater core leaked or clogged → Replace the heater core.
- Heater hoses leaked or clogged → Replace heater hoses.
- Thermostat faulty → Check the thermostat.
- Temperature control actuator faulty (auto A/C) → Check the temperature control actuator.
- HVAC control module faulty (auto A/C) → Check the HVAC control module.
- Wiring or grounding faulty (auto A/C) → Repair as necessary.
2. Other Possible Causes
- Air flow control cable broken or bent → Check the air flow control cable.
Checking and addressing these components should help identify and resolve the heater issue.
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