Hyundai Santa Fe (2006 year). Manual — part 416

FL -274

FUEL SYSTEM

▶

Repair open in the circuit between CMPS connector terminal 2 and ECM connector terminal 50 and go to

"Verification of Vehicle Repair".

3.

Check short to ground in signal circuit

1)

IG KEY "OFF", ENGINE "OFF".

2)

Disconnect CMPS connector and ECM connector.

3)

Check continuity between CMPS connector terminal 2 and chassis ground.

Specification : Discontinuity ( Infinite

Ω

)

4)

Is the measured resistance within the specification?

YES

▶

Go to "Component Inspection".

NO

▶

Repair short to ground in signal circuit and go to "Verification of Vehicle Repair".

GROUND CIRCUIT INSPECTION

E109ED58

1.

IG KEY "OFF", ENGINE "OFF".

2.

Disconnect CMPS connector.

3.

IG KEY "ON".

4.

Check the voltage of CMPS connetor terminal 2. [ TEST "A" ]

5.

Check the voltage between CMPS connetor terminal 2 and 3. [ TEST "B" ]
( terminal 2 : Check + prove , terminal 3 : Check - prove )

Specification : [TEST "A"] Voltage - [TEST "B"] Voltage = below 200mV

6.

Is the measured voltage within the specification?

YES

▶

Go to "Component Inspection".

NO

▶

When "B" voltage is not detected : Repair open in ground circuit and go to "Verification of Vehicle Repair".

▶

When the voltage difference between "A" and "B" is above 200mV : Eliminate the causes of excessive resistance

and go to "Verification of Vehicle Repair".

COMPONENT INSPECTION

E3BD4005

1.

Cam shaft detecting teeth inspection

1)

IG KEY "OFF", ENGINE "OFF".

2)

Disconnect CMPS connector.

DTC TROUBLESHOOTING PROCEDURES

FL -275

3)

Disconnect CMPS.

4)

Check the condition of Cam shaft detecting teeth through CMPS mounting hall.

5)

Is abnormal deformation of Cam shaft detecting teeth found?

YES

▶

Replace Cam shaft assy’ or Cylinder head assy’ and go to "Verification of Vehicle Repair".

NO

▶

Go to "CMPS waveform Inspection" as follows.

2.

CMPS waveform inspection

1)

IG KEY "OFF", ENGINE "OFF".

2)

Connect CMPS connector.

3)

Connect Oscilloscope to CMPS connector terminal 2.

4)

Monitor if CMPS waveform is outputted normally as cranking or turning engine "ON".

Specification : Refer to "Signal waveform

＆

Data" of "General Information".

5)

Is CMPS waveform displayed correctly?

YES

▶

Go to "Verification of Vehicle Repair".

NO

▶

Replace CMPS and go to "Verification of Vehicle Repair".

VERIFICATION OF VEHICLE REPAIR

EC52C3CC

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.

FL -276

FUEL SYSTEM

DTC P0341 CAMSHAFT POSITION SENSOR A CIRCUIT
RANGE/PERFORMANCE (BANK 1 OR SINGLE SENSOR)

COMPONENT LOCATION

E497B9B1

Refer to DTC P0340.

GENERAL DESCRIPTION

E3DA2AFA

Refer to DTC P0340.

DTC DESCRIPTION

EF450093

P0341 is set when CMPS reference point is detected more or less than twice while CKPS reference point is recognized
4 times. This code is due to temporary poor connection or short to ground in CMPS circuit. CMPS component failure.

DTC DETECTING CONDITION

E532D45B

Item

Detecting Condition

Possible Cause

DTC Strategy

• Signal monitoring

Enable Conditions

• During accelerating and turning engine "ON"

Threshold Value

• When RPM from CMPS correlates with RPM

from CKPS abnormally.

Diagnostic Time

• Crank Shaft rotates 4 times

Fuel cut

YES

EGR Off

NO

Fuel Limit

NO

Fail Safe

Check

Lamp

YES

• CMPS circuit
• CMPS component

SPECIFICATION

ED93DEBB

Refer to DTC P0340.

SCHEMATIC DIAGRAM

EC8FAF5E

Refer to DTC P0340.

SIGNAL WAVEFORM AND DATA

E1578F66

Refer to DTC P0340.

MONITOR SCANTOOL DATA

ED19F1B9

Refer to DTC P0340.

TERMINAL AND CONNECTOR INSPECTION

E1463867

Refer to DTC P0340.

DTC TROUBLESHOOTING PROCEDURES

FL -277

POWER CIRCUIT INSPECTION

E573AA3B

1.

IG KEY "OFF", ENGINE "OFF".

2.

Disconnect CMPS connector.

3.

IG KEY "ON".

4.

Measure the voltage of CMPS connector terminal 1.

Specification : 11.0V~13.0V ( Main relay "ON" power )

5.

Is the measured voltage within the specification?

YES

▶

Go to "Signal Circuit Inspection".

NO

▶

Repair open in Main relay power circuit and fuse, and go to "Verification of Vehicle Repair".

[Check open in E/R FUSE & RELAY BOX 15A SENSOR #2 FUSE and related circuit.]

※

If the fuse is damaged again after replacing the damaged fuse, repair short to ground in Main relay power circuit.

SIGNAL CIRCUIT INSPECTION

E90982D5

1.

Check CMPS signal voltage

1)

IG KEY "OFF", ENGINE "OFF".

2)

Disconnect CMPS connector.

3)

IG KEY "ON".

4)

Measure the voltage of CMPS connector terminal 2.

Specification : 4.8V~5.1V

5)

Is the measured voltage within the specification?

YES

▶

Go to "Ground Circuit Inspection".

NO

▶

Go to "Check open in signal circuit" as follows.

2.

Check open in signal circuit

1)

IG KEY "OFF", ENGINE "OFF".

2)

Disconnect CMPS connector and ECM connector.

3)

Check continuity between CMPS connector terminal 2 and ECM connector (C230-A) terminal 50.

Specification : continuity ( below 1.0

Ω

)