BMeasure the resistance between the terminals of the AF sensor connector

Standard Resistance

Tester Connections

Specified Conditions

HT (1) - +B (2)

1.8 to 3.4 Q at 20°C (68°F)

HT (1) - AF- (4)

10 kQ or higher

(c) Reconnect the A/F sensor connector.

REPLACE AIR FUEL RATIO SENSOR

INSPECT AIR FUEL RATIO SENSOR HEATER RELAY

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