AIR FUEL RATIO SENSOR(w/ Glow Plug Controller) INSPECTION
PROCEDURE
INSPECT AIR FUEL RATIO SENSOR
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*A
for Sensor 1
*B
for Sensor 2
*a
Component without harness connected
(Air Fuel Ratio Sensor)
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
5 (HAF1) - 2 (+B)
5 (HAF2) - 2 (+B)
20°C (68°F)
2 to 5 Ω
5 (HAF1) - 4 (AF1+)
5 (HAF2) - 4 (AF2+)
Always
10 kΩ or higher
If the result is not as specified, replace the air fuel ratio sensor.
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