Dtc P0111: Intake Air Temperature Circuit Range / Performance - 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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1A-74 Engine General Information and Diagnosis:
Step
9
MAP sensor output signal check
1) Check MAP sensor according to "Manifold Absolute
Pressure (MAP) Sensor Inspection (If Equipped) in
Section 1C".
Is it in good condition?
DTC P0111: Intake Air Temperature Circuit Range / Performance
Wiring Diagram
GRY/BLU
3
15
14
13
12
11
30
28
27
26
29
45
44
43
42
41
60
59
58
57
56
DTC Detecting Condition and Trouble Area
Difference of maximum IAT minus minimum IAT is less than specified value while
ECT is over 70 °C (158 °F) after 10 min from cold engine start (ECT is lower than
30°C (86 °F) at engine start).
(2 driving cycle detection logic)
DTC Confirmation Procedure
NOTE
Check to make sure that following conditions are satisfied when using this "DTC Confirmation
Procedure".
• Intake air temperature at engine start: –10 °C (14 °F) to 80 °C (176 °F)
• Intake air temperature: –10 °C (14 °F) to 70 °C (158 °F)
• Engine coolant temperature at engine start: less than 30 °C (86 °F)
• Engine coolant temperature: 70 °C (158 °F) or more
• Altitude (barometric pressure): 2500 m, 8200 ft or less (560 mmHg, 74.4 kPa or more)
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch, clear DTC using scan tool.
3) Start engine and warm up to normal operating temperature. (ECT approx. 90 – 95 °C, 194 – 203 °F)
4) Run engine at idle speed for 10 min. or more.
Action
1
BLK/RED
GRY/BLU
E01
10
9
8
7
6
5
4
3
25
24
23
22
21
20
19
18
40
39 38
37
36
35
34
33
55
54 53
52
51
50
49
48
1. MAF and IAT sensor
2. ECM
DTC detecting condition
Substitute a known-
good ECM and recheck.
4
GRN/BLK
GRY
BLK/YEL
GRY/BLU
2
1
15
14
13
12
11
17
16
30
28
27
26
29
32 31
45
44
43
42
41
47 46
60
59
58
57
56
3. To other sensors
4. From main relay
Yes
Faulty MAP sensor.
2
C01-26
C01-27
5V
C01-25
C01-55
C01
10
9
8
7
6
5
4
3
25
24
23
22
21
20
19
18
40
39 38
37
36
35
34
33
55
54 53
52
51
50
49
48
Trouble area
• High resistance circuit
• MAF and IAT sensor
• ECM
No
S7RW0A1104025
2
1
17
16
32 31
47 46
I6RW0D110024-01
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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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