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Adjusting Resistor

Disconnect A/F sensor connector.
Using ohmmeter, measure resistance of adjusting resistor between terminals "R+" and "R-" at A/F sensor connector.
If found faulty, replace A/F sensor.

Adjusting resistor resistance

100-58000 Ω at 20°C (68°F)

Fig 1: Identifying A/F Sensor Connector Terminal
Courtesy of SUZUKI OF AMERICA CORP.
Connect A/F sensor connector securely.