Air Fuel Ratio Sensor: Inspection: Inspection
- INSPECT AIR FUEL RATIO SENSOR (w/ Secondary Air Injection System)
- Measure the resistance according to the value(s) in the table below.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TEXT IN ILLUSTRATION*a Component without harness connected
(Air Fuel Ratio Sensor)*b for Bank 1 *c for Bank 2 Standard Resistance (for Bank 1)
Tester Connection Condition Specified Condition 1 (HA1A) - 2 (+B) 20°C (68°F) 1.6 to 3.2 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) 1.6 to 3.2 Ω 1 (HA2A) - 4 (A2A-) Always 10 kΩ or higher If the result is not as specified, replace the air fuel ratio sensor.
- Measure the resistance according to the value(s) in the table below.
- INSPECT AIR FUEL RATIO SENSOR (w/o Secondary Air Injection System)
- Measure the resistance according to the value(s) in the table below.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TEXT IN ILLUSTRATION*a Component without harness connected:
(Air Fuel Ratio Sensor)*b for Bank 1: *c for Bank 2: 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 If the result is not as specified, replace the air fuel ratio sensor.
- Measure the resistance according to the value(s) in the table below.