Hyundai Santa Fe (2006 year). Manual — part 630
FLA -586
FUEL SYSTEM
NO
▶ Substitute with a known-good TPS and check for proper operation. If the problem is corrected,replace TPS
and then go to "Verification of Vehicle Repair" procedure.
(After replacing ETC, do initialization of ETC as follows)
※ PROCEDURE OF ETS INITIALIZATION
1.
Erase the trouble codes on PCM
2.
Turn the ignition key off and keep this condition until the main relay is turned off.(It will takes 10sec.)
3.
Turn ignition key on more than 1second to record the throttle motor position on the EEPROM
VERIFICATION OF VEHICLE REPAIR
ECE44003
After a repair, it is essential to verify that the fault has been corrected.
1.
Monitor and record the Freeze Frame Data for the Diagnostic Trouble Code(DTC) which has been diagnosed.
2.
Using a Scantool, Clear the DTCs
3.
Operate the vehicle within conditions noted in the freeze frame data or enable conditions
4.
Monitor that all rediness test have been verified as " Complete "
5.
Are any DTCs present ?
YES
▶ Go to the applicable troubleshoooting procedure.
NO
▶ System is performing to specification at this time.
![](/vehicles/eread/ppemy/wherm/bramire.png)
DTC TROUBLESHOOTING PROCEDURES
FLA -587
DTC P2138 THROTTLE/PEDAL POSITION SENSOR/SWITCH "D" / "E"
VOLTAGE CORRELATION
COMPONENT LOCATION
EC293548
APS
SCMF16410L
GENERAL DESCRIPTION
EE42BF44
The Electronic Throttle Control(ETC) system is made of the components throttle body, Throttle Position Sensor(TPS) 1&
2 and Accelerator Position Sensor(APS) 1&2. The APS is mounted in the accelerator pedal to detect the opening angle
of the accelerator pedal. It has 2 sensors to detect the accelerator position and a malfunction of the accelerator position
sensor. The ECM judges the current opening angle of the accelerator pedal from APS1&2, and the ECM controls the
throttle motor based on these signals.
DTC DESCRIPTION
E52F0EF2
Checking output signals from APS 1 and 2, under detecting condition, if output signals difference between APS 1 and 2
are detected more than 4.5% for the specified number of times., PCM sets P2138 and then MIL(Malfunction Indication
Lamp) turns on.
DTC DETECTING CONDITION
E658889F
Item
Detecting Condition
Possible Cause
DTC Strategy
• This code detects a correlation error between
APS 1 and APS 2
Enable condition
• Ignition "ON"
Threshold value
• Difference between APS1 and APS2 Normalized
values 〉 4.5%
Diagnosis time
• Contineous
(More than 0.32sec. Failure for every 9.36sec. Test)
MIL ON condition
• 1 Driving Cycle
• Poor connection
• Open or short in APS Circuit
• Faulty APS
• Faulty PCM
![](/vehicles/eread/ppemy/wherm/ifevethe.png)
FLA -588
FUEL SYSTEM
SPECIFICATION
E5ADAEB3
Output Voltage(V) [Vref = 5.0V]
Pedal Position
APS1
APS2
C.T
0.7 ~ 0.8V
0.29 ~ 0.46V
W.O.T
3.85 ~ 4.35V
1.93 ~ 2.18V
SCHEMATIC DIAGRAM
EB14BE4E
APS
E02
1
2
PCM C30-A (54)
APS 1 Signal
3
4
PCM C30-A (48)
APS 2 Reference Voltage (+5V)
APS 2 Ground
5
PCM C30-A (55)
APS 1 Ground
6
PCM C30-A (59)
APS 1 Reference Voltage (+5V)
PCM C30-A (57)
PCM (C30-A)
[CIRCUIT DIAGRAM]
[HARNESS CONNECTORS]
[CONNECTION INFORMATION]
Terminal
Connected to
Function
APS 2 Signal
PCM C30-A (49)
PCM
C30-A
19
14 13 12 11
31
34
35
36
30
10
24
22
65
67
50
74
75
76
77
5
2
6
APS (E02)
APS 1
APS 2
59 - Reference Voltage (+5V)
54 - APS 1 Signal
55 - GND
4
1
3
57 - Reference Voltage (+5V)
49 - APS 2 Signal
48 - GND
SCMF16124L
![](/vehicles/eread/ppemy/wherm/yononkindisy.png)
DTC TROUBLESHOOTING PROCEDURES
FLA -589
SIGNAL WAVEFROM AND DATA
E2010367
Fig. 1
Fig. 1 : This is a signal waveform of APS 1 & 2 which shows that APS 2 increases voltage just half of APS 1 voltage
increase when accelleration.
APS1
APS2
EGRF970A
MONITOR DTC STATUS
EF6ECCAA
1.
Check DTC Status
1)
Connect scantool to Data Link Connector(DLC).
2)
IG "ON".
3)
Select "Diagnostic Trouble Codes(DTCs)" mode, and then Press F4(DTAL) to check DTC’s information from the
DTCs menu
4)
Read "DTC Status" parameter.
SCMF16159L
5)
Is parameter displayed "Present fault"?
YES
▶ Go to "Terminal and connector inspection" procedure.
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