Hyundai Santa Fe (2006 year). Manual — part 424
FL -306
FUEL SYSTEM
1
2
3
4
1
2
3
4
EGNG004B
5.
Does brake switch operate correctly?
YES
▶
Go to "Verification of Vehicle Repair".
NO
▶
Unless any problem is detected after checking height of brake pedal, replace brake switch component and go to
"Verification of Vehicle Repair".
VERIFICATION OF VEHICLE REPAIR
E38D2612
After a repair, it is essential to verify that the fault is corrected.
1.
After connecting Scantool select "DIAGNOSTIC TROUBLE CODES(DTCs)" mode.
2.
Clear recorded DTC using Scantool.
3.
Drive the vehicle within DTC "Enable conditions" in "General information".
4.
After selecting "DIAGNOSTIC TROUBLE CODES(DTCs)" mode and check if DTC is recorded again.
5.
Are any DTCs recorded ?
YES
▶
Go to the DTC guide of recorded NO. in Scantool.
NO
▶
System operates within specification.
DTC TROUBLESHOOTING PROCEDURES
FL -307
DTC P0532 A/C REFRIGERANT PRESSURE SENSOR "A" CIRCUIT LOW
INPUT
COMPONENT LOCATION
E567B01B
APT
SCMFL6506L
GENERAL DESCRIPTION
E0804A39
A/C pressure transducer consists of piezoelectric element and it detects aircon refrigerant pressure. Piezoeletric type is
more advantageous to obtain linear data of pressure than existing switch type. Thus, optimum control of aircon compres-
sor and fan is realized and improved fuel efficiency follows with it.
DTC DESCRIPTION
E1FD20AE
P0532 is set when the voltage below 0.18V - minimum voltage of A/C pressure transducer signal - is detected for more
than 0.6 sec.. This code is due to 1) open in power circuit or 2) open or short to ground in signal circuit of A/C pressure
transducer.
DTC DETECTING CONDITION
E4D0AD11
Item
Detecting Condition
Possible Cause
DTC Strategy
• Voltage monitoring
Enable Conditions
• IG KEY "ON"
Threshold Value
• When output voltage is below the minimum
value (below 0.18V)
Diagnostic Time
• 0.6 sec.
Fuel cut
NO
EGR Off
NO
Fuel Limit
NO
Fail Safe
Check
Lamp
NO
• A/C pressure fixed at 50 hPa
• A/C pressure transducer
circuit
• A/C pressure transducer
component
FL -308
FUEL SYSTEM
SPECIFICATION
EF7D07B1
Sensor output characteristic
Max voltage
4.5[V]
Max voltage
0.5[V]
0.0
0.0 kg/
32.0 kg/
Pressure
abnormal low
pressure range
normal
pressure range
abnormal high
pressure range
LFIG438A
SCHEMATIC DIAGRAM
EA3F8DFC
1
C230-K terminal 22
C230-K terminal 13
C230-K terminal 12
2
3
22 Sensor power
C235 A/C pressure transducer
A/C pressure transducer
C235
C230-K ECM
13 Sensor signal
12 Sensor ground
Sensor power
Sensor signal
Sensor ground
2
1
3
P
1
2
3
Terminal
Connected to
Function
C230-K
C230-A
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
ECM
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
[CIRCUIT DIAGRAM]
[HARNESS CONNECTOR]
[CONNECTOR INFORMATION]
SCMFL6402L
DTC TROUBLESHOOTING PROCEDURES
FL -309
SIGNAL WAVEFORM AND DATA
EA9D3A88
Fig.1
Fig.1) Waveform of A/C pressure transducer in accordance with aircon operation.(aircon compressor operation)
A/C "ON"
A/C "OFF"
LFIG440A
NOTE
Output signal(voltage) changes in accordance with the amount of refrigerant and the change of weather. Check if
normal pressure change occurs in accordance with aircon compressor operation at normal pressure range shown in
"Specification".
MONITOR SCANTOOL DATA
E0034705
1.
Connect Scantool to Data Link Connector (DLC).
2.
Warm engine up to normal operating temperature.
3.
Turn "OFF" electrical devices and A/C.
4.
Monitor " A/C PRESSURE SENSOR " parameter on the scantool.
Specification : A/C "OFF" : 1200mV~1800mV
A/C "ON" : higher than A/C "OFF" pressure by more than 500mV
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