Hyundai Santa Fe (TM): Engine Control System / Heated Oxygen Sensor (HO2S). Specifications
HO2S [Bank 1 / Sensor 1] [Euro-V]
Item
|
Specification
|
Heater Resistance (Ω)
|
2.5 - 4.0 [20°C (68°F)]
|
HO2S [Bank 1 / Sensor 1] [Except Euro-V]
A/F Ratio (λ)
|
Output Voltage (V)
|
RICH
|
Approx. 0.9
|
LEAN
|
Approx. 0.04
|
Item
|
Specification
|
Heater Resistance (Ω)
|
3.3 - 4.1Ω [21°C (69.8°F)]
|
HO2S [Bank 1 / Sensor 2]
A/F Ratio (λ)
|
Output Voltage (V)
|
RICH
|
Approx. 0.9
|
LEAN
|
Approx. 0.04
|
Item
|
Specification
|
Heater Resistance (Ω)
|
3.3 - 4.1Ω [21°C (69.8°F)]
|
Description
Heated Oxygen Sensor (HO2S) consists of zirconium and alumina and is installed
both upstream and downstream of the Manifold Catalytic Converter.
Circuit Diagram
Harness Connector
[Bank 1 / Sensor 1]
[Bank 1 / Sensor 2]
Other information:
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the heater and blower assembly.
(Refer to Heater - "Heater Unit")
3.
Loosen the mounting screws and remove the heater core cover (A).
Troubleshooting
Diagnosis with Diagnostic tool
1.
In the body electrical system, failure can be quickly diagnosed by using
the vehicle diagnostic system (Diagnostic tool).
The diagnostic system (Diagnostic tool) provides the following information.
