Hyundai Santa Fe (2006 year). Manual — part 400
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FL -210
FUEL SYSTEM
1)
IG KEY "OFF", ENGINE "OFF".
2)
Disconnect fuel pump relay.
3)
IG KEY "ON".
4)
Measure the voltage of fuel pump relay connector terminal 3.
Specification : 3.2V~3.7V
5)
Is the measured voltage within the specification?
YES
▶
Go to "Component Inspection".
NO
▶
When no value is detected : Go to "2. Check open in control circuit".
▶
When high voltage is detected : Repair short to battery in signal circuit and go to "Verification of Vehicle
Repair".
2.
Check open in control circuit
1)
IG KEY "OFF", ENGINE "OFF".
2)
Disconnect fuel pump relay and ECM connector.
3)
Check continuity between fuel pump relay connector terminal 3 and ECM connector (C230-A) terminal 45.
specification : Continuity ( below 1.0
Ω
)
4)
Is the measured resistance within the specification?
YES
▶
Repair short to ground and go to "Verification of Vehicle Repair".
NO
▶
Repair open in control circuit and go to "Verification of Vehicle Repair".
COMPONENT INSPECTION
ECB31A37
1.
Check fuel pump relay component coil resistance
1)
IG KEY "OFF", ENGINE "OFF".
2)
Disconnect glow relay.
3)
Measure the resistance of glow relay component coil.
Specification : 95±5
Ω
(20
℃
)
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DTC TROUBLESHOOTING PROCEDURES
FL -211
SCMFL6418L
4)
Is the measured resistance within the specification?
YES
▶
Go to "2. Check glow relay component operation" as follows.
NO
▶
Replace glow relay and go to "Verification of Vehicle Repair".
2.
Check glow relay component operation
1)
IG KEY "OFF", ENGINE "OFF".
2)
Disconnect glow relay.
3)
Supplies random B+ and ground to coil sides of glow relay ( terminal 85, terminal 86).
4)
Check continuity between glow relay terminal 30 and terminal 87.
specification : When power is supplied : Continuity ( below 1.0
Ω
)
When power is not supplied : Discontinuity ( Infinite
Ω
)
SCMFL6419L
5)
Is the measured resistance within the specification?
YES
▶
Go to "Verification of Vehicle Repair".
NO
FL -212
FUEL SYSTEM
▶
Replace glow relay and go to "Verification of Vehicle Repair".
※
Repeat this process 2~3 times.
VERIFICATION OF VEHICLE REPAIR
EF47981B
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.
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DTC TROUBLESHOOTING PROCEDURES
FL -213
DTC P0232 ELECTRIC FUEL PUMP RELAY-SHORT CIRCUIT
COMPONENT LOCATION
ECB826BF
Refer to DTC P0231.
GENERAL DESCRIPTION
EAE261E3
Refer to DTC P0231.
DTC DESCRIPTION
ED083760
P0232 is set when excessive voltage is detected in Fuel pump relay control circuit for more than 1 sec. at Fuel pump relay
ON condition. This code is due to short to battery in Fuel pump relay control circuit.
DTC DETECTING CONDITION
E79A2371
Item
Detecting Condition
Possible Cause
DTC Strategy
• Voltage monitoring
Enable Conditions
• IG KEY "ON" (monitoring only performed within
relay operating condition)
Threshold Value
• short to battery
Diagnostic Time
• 1.0 sec.
Fuel cut
NO
EGR Off
NO
Fuel Limit
NO
Fail Safe
Check
Lamp
NO
• Fuel pump relay control
circuit
• Fuel pump relay component
SPECIFICATION
E86209F7
Refer to DTC P0231.
SCHEMATIC DIAGRAM
E051A4CA
Refer to DTC P0231.
TERMINAL AND CONNECTOR INSPECTION
E998FFCB
Refer to DTC P0231.
POWER CIRCUIT INSPECTION
E1749BD3
1.
Check Relay coil power circuit voltage
1)
IG KEY "OFF", ENGINE "OFF".
2)
Disconnect fuel pump relay.
3)
Measure the voltage of fuel pump relay connector terminal 1.
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