Hyundai Santa Fe (2006 year). Manual — part 493
FLA -38
FUEL SYSTEM
CAMSHAFT POSITION SENSOR
(CMPS)
INSPECTION
E2A0AFAD
FUNCTION AND OPERATION PRICIPLE
Camshaft Position Sensor (CMPS) is a hall sensor and de-
tects the camshaft position by using a hall element. It is
related with Crankshaft Position Sensor (CKPS) and de-
tects the piston position of each cylinder which the CKPS
can’t detect. The two CMPS are installed on engine head
cover of bank 1 and 2 and uses a target wheel installed on
the camshaft. This sensor has a hall-effect IC which out-
put voltage changes when magnetic field is made on the
IC with current flow.
KFCF1022
O-Ring (Inside)
Hall Effect Element
Bracket
PCB
Connector
Housing
O-Ring (Outside)
EGRF243A
GASOLINE ENGINE CONTROL SYSTEM
FLA -39
WAVEFORM
CMPS
CMPS
CKPS
CKPS
At Idle
At Idle
LGLG002C
CIRCUIT DIAGRAM
CMPS [BANK 1]
PCM
C10-1
C30-B
PCM (C30-B)
CMPS [BANK 1]
CMPS [BANK 1]
(C10-1)
CMPS [BANK 2]
(C10-2)
1
2
CMPS [BANK 2]
1
2
CMPS [BANK 2]
C10-2
1
2
3
1
2
3
1
21
2
22
3
23
4
24
5
25
6
26
7
27
8
28
9
29
10
30
11
31
12
32
13
33
14
34
15
35
16
36
17
37
18
38
19
39
20
40
41
61
42
62
43
63
44
64
45
65
46
66
47
67
48
68
49
69
50
70
51
71
52
72
53
73
54
74
55
75
56
76
57
77
58
78
59
79
60
80
PCM C30-B (18)
Sensor ground
Reference Voltage
(+5V)
PCM C30-B (17)
Sensor ground
3
3
PCM C30-B (25)
CMPS [Bank 1] signal
PCM C30-B (24)
PCM C30-B (15)
PCM C30-B (32)
CMPS [Bank 2] signal
Reference Voltage
(+5V)
18 - GND
32 - Reference Voltage (+5V)
15 - Reference Voltage (+5V)
2
3
25 - CMPS
[Bank 1] Signal
1
17 - GND
2
3
24 - CMPS
[Bank 2] Signal
1
[CIRCUIT DIAGRAM]
[HARNESS CONNECTORS]
[CONNECTION INFORMATION]
Terminal
Connected to
Function
Terminal
Connected to
Function
SCMF16108L
COMPONENT INSPECTION
1.
Check signal waveform of CMPS and CKPS using a
scantool.
Specification : Refer to "WAVE FORM"
FLA -40
FUEL SYSTEM
CRANKSHAFT POSITION SENSOR
(CKPS)
INSPECTION
EE4B998F
FUNCTION AND OPERATION PRICIPLE
Crankshaft Position Sensor (CKPS) detects the crankshaft
position and is one of the most important sensors of the
engine control system. If there is no CKPS signal input,
fuel is not supplied and the main relay does not operate.
That is, vehicle can’t run without CKPS signal. This sensor
is installed on transaxle housing and generates alternating
current by magnetic flux field which is made by the sensor
and the target wheel when engine runs. The target wheel
consists of 58 slots and 2 missing slots on 360 CA (Crank
Angle).
Sensor
Connector
LGLG002D
WAVEFORM
CMPS
CMPS
CKPS
CKPS
At Idle
At Idle
LGLG002C
GASOLINE ENGINE CONTROL SYSTEM
FLA -41
CIRCUIT DIAGRAM
3
Sensor Shield
Chassis Ground
CKPS
PCM
C01
C30-B
PCM (C30-B)
CKPS (C01)
1
2
1
21
2
22
3
23
4
24
5
25
6
26
7
27
8
28
9
29
10
30
11
31
12
32
13
33
14
34
15
35
16
36
17
37
18
38
19
39
20
40
41
61
42
62
43
63
44
64
45
65
46
66
47
67
48
68
49
69
50
70
51
71
52
72
53
73
54
74
55
75
56
76
57
77
58
78
59
79
60
80
PCM C30-B (21)
CKPS [LOW]
Signal
CKPS [HIGH]
Signal
PCM C30-B (41)
21 - CKPS [HIGH]
41 - CKPS [LOW]
1
2
3
S
N
[CIRCUIT DIAGRAM]
[HARNESS CONNECTORS]
[CONNECTION INFORMATION]
Terminal
Connected to
Function
1
2
3
SCMF16109L
COMPONENT INSPECTION
1.
Check signal waveform of CKPS and CMPS using a
scantool.
Specification : Refer to "WAVE FORM"
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