Air Fuel Ratio Sensor Inspection
INSPECT AIR FUEL RATIO SENSOR
Air Fuel Ratio Sensor -- Inspection |
| 1. INSPECT AIR FUEL RATIO SENSOR |
Measure the heater resistance according to the value(s) in the table below.
- Standard Resistance (for Bank 1):
Tester Connection
| Condition
| Specified Condition
|
1 (HA1A) - 2 (+B)
| 20°C (68°F)
| 1.8 to 3.4 Ω
|
1 (HA1A) - 4 (A1A-)
| Always
| 10 kΩ or higher
|
- Standard Resistance (for Bank 2):
Tester Connection
| Condition
| Specified Condition
|
1 (HA2A) - 2 (+B)
| 20°C (68°F)
| 1.8 to 3.4 Ω
|
1 (HA2A) - 4 (A2A-)
| Always
| 10 kΩ or higher
|
Text in Illustration*A
| for Bank 1
|
*B
| for Bank 2
|
*a
| Component without harness connected
(Air Fuel Ratio Sensor)
|
If the result is not as specified, replace the air fuel ratio sensor.
