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:
Inspection
To inspect and diagnose the sensor, refer to Self-Diagnosis procedure and DTC
guide.
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the rain sensor inner cover (A) and rain sensor cover (B).
Heater Unit. Components and components location
Component Location
1. Heater Unit
Assembly
Components
1. Heater
unit assembly
2. Heater NVH pad
3. Heater seal duct
4.