Hyundai Santa Fe (2006 year). Manual — part 521
FLA -150
FUEL SYSTEM
NO
▶ Repair open in HO2S(B2/S2) heater control circuit and go to "Verifiction of Vehicle Repair" procedure.
COMPONENT INSPECTION
E31E12EC
1.
Check HO2S(B2/S2) Heater resistance
1)
IG "OFF" and disconnect HO2S(B2/S2) connector
2)
Measure resistance between terminal 3 and 4 of HO2S(B2/S2)(Component Side)
SPECIFICATION :
Heater
Resistance (Ω )
3.0 ~ 4.0Ω [21℃(69.8℉)]
1. HO2S(B2/S2) Signal
2. Sensor Ground
C91-4
2
1
4
3
SCMF16180L
3)
Is the measured resistance within specification ?
YES
▶ Substitute with a known - good PCM and check for proper operation.
If the problem is corrected, go to "Verification of Vehicle Repair" procedure.
NOTE
There is a memory reset function on scantool that can erase optional parts automatically detected and memorized
by PCM.
Before or after testing PCM on the vehicle, use this function to reuse the PCM on the others.
NO
▶ Substitute with a known - good HO2S(B2/S2) and check for proper operation.
If the problem is corrected, go to "Verification of Vehicle Repair" procedure.
VERIFICATION OF VEHICLE REPAIR
ED007C94
Refer to DTC P0056.
DTC TROUBLESHOOTING PROCEDURES
FLA -151
DTC P0058 HO2S HEATER CIRCUIT HIGH (BANK 2 / SENSOR 2)
COMPONENT LOCATION
E8EECFBE
Refer to DTC P0056.
GENERAL DESCRIPTION
EBFDC1AC
Refer to DTC P0056.
DTC DESCRIPTION
E1B31BA2
If the PCM detects short to battery in heater under detecting conditions, PCM sets P0058. MIL(Malfunction Indication
Lamp) turns on when the malfunction lasts till consecutive 2 driving cycle.
DTC DETECTING CONDITION
E95AA488
Item
Detecting Condition
Possible cause
DTC Strategy
• Detects a short to battery
Enable Conditions
• No disabling Faults
• Engine Running
• 11V ≤ Battery Voltage ≤ 16V
Threshold value
• Short to battery
Diagnosis Time
• Continuous
(More than 5 seconds failure for every
10 seconds test )
MIL On Condition
• 2 Driving Cycles
• Poor Connection
• Short to battery in control
circuit
• HO2S(B2/S2)
• PCM
SPECIFICATION
E72F6E7E
Heater
Resistance (Ω )
3.0 ~ 4.0Ω [21℃(69.8℉)]
SCHEMATIC DIAGRAM
EDAC9D24
Refer to DTC P0056.
SIGNAL WAVEFORM AND DATA
EA7786A6
Refer to DTC P0056.
MONITOR DTC STATUS
E0E1DEC1
Refer to DTC P0056.
TERMINAL AND CONNECTOR INSPECTION
EBFA41CB
Refer to DTC P0056.
FLA -152
FUEL SYSTEM
CONTROL CIRCUIT INSPECTION
EBF34ABE
1.
IG "OFF" & disconnect HO2S(B2/S2) connector.
2.
IG "ON" & ENG "OFF".
3.
Measure voltage between terminal 4 of HO2S(B2/S2) harness connector and chassis ground.
Specification : Approx. 0 V
4.
Is the measured voltage within specification ?
YES
▶ Go to "Component Inspection" procedure.
NO
▶ Repair short to battery in HO2S (B2/S2) heater control circuit and go to "Verification of Vehicle Repair" procedure.
COMPONENT INSPECTION
E516F026
1.
Check HO2S(B2/S2) Heater resistance
1)
IG "OFF" and disconnect HO2S(B2/S2) connector
2)
Measure resistance between terminal 1 and 2 of HO2S(B2/S2)(Component Side)
SPECIFICATION :
Heater
Resistance (Ω )
3.0 ~ 4.0Ω [21℃(69.8℉)]
1. HO2S(B2/S2) Signal
2. Sensor Ground
C91-4
2
1
4
3
SCMF16180L
3)
Is the measured resistance within specification ?
YES
▶ Substitute with a known - good PCM and check for proper operation.
If the problem is corrected, go to "Verification of Vehicle Repair" procedure.
NOTE
There is a memory reset function on scantool that can erase optional parts automatically detected and memorized
by PCM.
DTC TROUBLESHOOTING PROCEDURES
FLA -153
Before or after testing PCM on the vehicle, use this function to reuse the PCM on the others.
NO
▶ Substitute with a known - good HO2S(B2/S2) and check for proper operation.
If the problem is corrected, go to "Verification of Vehicle Repair" procedure.
VERIFICATION OF VEHICLE REPAIR
E3725F3E
Refer to DTC P0056.
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