Hyundai Santa Fe (2006 year). Manual — part 359
FL -46
FUEL SYSTEM
8.
Proceed "INJECTOR SPECIFIC DATA" procedure.
1)
Select "ENGINE (DIESEL)"
SCMFL6125L
2)
Select "INJECTOR SPECFIC DATA".
SCMFL6142L
3)
Press "ENTER" key.
1. HYUNDAL VEHICLE DIAGNOSIS
SCMFL6143L
4)
Input the injector data (7 digit) written on the top
of each injector with function keys ([F1] ~ [F6])
and number keys.
1.10. INJECTOR SPECIFIC DATA
1.10. INJECTOR SPECIFIC DATA
SCMFL6144L
9.
Wait 10 seconds after displaying "WRITING COM-
PLETE", turn ignition switch OFF.
NOTE
When "WRITING FAIL" is displayed on the scan tool,
input injector data (7 digits) of each cylinder into a new
ECM again starting from 7th step.
1.10. INJECTOR SPECIFIC DATA
SCMFL6145L
DIESEL CONTROL SYSTEM
FL -47
MASS AIR FLOW SENSOR
(MAFS)
INSPECTION
E09E1CDA
FUNCTION AND OPERATION PRINCIPLE
MAFS uses a hot-film type sensing element to measure
the mass of intake air entering the engine, and send the
signal to ECM.
A large amount of intake air represents acceleration or
high load conditions while a small amount of intake air rep-
resents deceleration or idle.
The ECM uses this information to control the EGR sole-
noid valve and correct the fuel amount.
MAFS & IATS #1
SCMFL6003D
SPECIFICATION
*At intake air temperature = 20
(68
)
*At intake air temperature = -15
(5
) or 80
(176
)
Air Flow (kg/h)
8
10
15
75
160
310
10
75
160
310
1.97 ~ 1.99
2.71 ~ 2.76
3.34 ~ 3.43
4.39 ~ 4.58
640
800
1.94 ~ 1.96
1.98 ~ 1.99
2.06 ~ 2.07
2.72 ~ 2.75
3.36 ~ 3.41
4.44 ~ 4.53
7.66 ~ 8.01
10.13 ~ 11.17
Frequency (kHz)
Air Flow (kg/h)
Frequency (kHz)
EFQG034A
FL -48
FUEL SYSTEM
CIRCUIT DIAGRAM
MAFS & IATS #1
ECM
C213
C230-A
C230-K
1
2
3
4
Battery Voltage (B+)
5
Sensor Ground
[CIRCUIT DIAGRAM]
[HARNESS CONNECTORS]
[CONNECTION INFORMATION]
Terminal
Connected to
Function
ECM C230-A (44)
ECM C230-K (89)
Main Relay
IATS #1 Signal
Reference Frequency
ECM C230-A (37)
MAFS Signal
ECM C230-A (42)
89 - IATS #1 Signal
44 - GND
42 - MAFS Signal
Main Relay
MAFS & IATS #1 (C213)
ECM (C230-K)
ECM (C230-A)
37 - Reference Frequency
1
2
4
3
6
5
8 7
12
13
16
17
18
23 22
20
21
19
27 26 25 24
28
29
30
14
9
10
11
15
33 32 31
34
37
41
42
40 39 38
35
36
43
44
47 46
49 48
50
53
56
58 57
54
51
52
55
59
60
45
1
30 29
31
32
38
39
36
37
35
33
34
40
42 41
46 45 44 43
48 47
50 49
2
3
4
6
5
8
7
12 11 10 9
13
14
15
18 17
19
16
22
25
27 26
23
20
21
24
28
51
75 74
53 52
73
79 78 77 76
80
81
83 82
84
86 85
87
89 88
90
92 91
93
94
57
69 68
70
71
64
54
55
56
61
58
59
60
63 62
65
66
67
72
IATS
3
2
5
4
1
1
2
3
4
5
SCMFL6113L
DIESEL CONTROL SYSTEM
FL -49
SIGNAL WAVEFORM
Fig.1
Fig.2
Fig.1) AFS signal waveform at IG KEY "ON". It shows digital signal of 50% duty, 1.8KHz.
Fig.2) AFS signal waveform at idle(790RPM, EGR actuator duty 5%, air flow for each cylinder 410mg/st).
It shows digital signal of 50% duty, 2.2~2.7KHz.
EFQG222A
COMPONENT INSPECTION
1.
Check the MAFS visually.
-
Mounting direction correct.
-
Any contamination, corrosion or damage on con-
nector.
-
Air cleaner’s clogging or wet.
-
MAFS cylinder’s deforming or blocking by any for-
eign material.
2.
Check any leakage on intake system and intercooler
system.
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