Suzuki SX4 Service Manual page 1069
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Also See for SX4:
- Owner's manual (47 pages) ,
- Owner's manual (278 pages) ,
- Owner's manual (18 pages)
Table of Contents
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Terminal Wire Color
G20-25
PNK
Sunload sensor signal
G20-26
BLK/RED Rear defogger indicator
Temperature control
G20-27
YEL
actuator position sensor
signal
Air flow control actuator
G20-28 WHT/BLU
position sensor signal
G20-29
GRY
Blower motor controller
Blower motor control
G20-30
BLU/RED
voltage feedback
Normal
Circuit
Voltage
Approx. 3.5 V
Approx. 5 V
0 – 1 V
10 – 14 V
Approx. 0.5 V
Approx. 4.5 V
Approx. 0.5 V
Approx. 4.5 V
0 – 1 V
2 – 3.5 V
Approx. 10.0
V
10 – 14 V
Approx. 8.1 V
Approx. 6.8 V
Approx. 5.5 V
Approx. 4.0 V
Approx. 2.6 V
Approx. 1.2 V
Approx. 0.2 V
Air Conditioning System: Automatic Type 7B-75
Condition
Ignition switch turned ON, amount of insolation is
500 W/m
2
Ignition switch turned ON, amount of insolation is 0
W/m
2
Ignition switch turned ON, rear defogger switch OFF
Ignition switch turned ON, rear defogger switch ON
Ignition switch turned ON, temperature selector
"MAX COOL" position
Ignition switch turned ON, temperature selector
"MAX HOT" position
Ignition switch turned ON, air flow selector "FACE"
position
Ignition switch turned ON, air flow selector "DEF"
position
Ignition switch turned ON, blower speed selector
OFF position
Ignition switch turned ON, blower speed selector
between 1st and 6th position
Ignition switch turned ON, blower speed selector 7th
and HIGH position
Ignition switch turned ON, blower speed selector
OFF position
Ignition switch turned ON, blower speed selector 1st
position
Ignition switch turned ON, blower speed selector 2nd
position
Ignition switch turned ON, blower speed selector 3rd
position
Ignition switch turned ON, blower speed selector 4th
position
Ignition switch turned ON, blower speed selector 5th
position
Ignition switch turned ON, blower speed selector 6th
position
Ignition switch turned ON, blower speed selector 7th
and HIGH position
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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.
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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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