Special Tools Required
Disconnect the secondary HO2S connector (A).

Raise the vehicle on a lift.
Remove the supporters (A), then remove the secondary HO2S (B).

Install the parts in the reverse order of removal.
Output Shaft (Countershaft) Speed Sensor Replacement (A/T)
Remove the air cleaner assembly.
Disconnect the output shaft (countershaft) speed sensor connector, and
remove the output shaft (countershaft) speed sensor (A).
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Charging the Battery
Disconnect both battery cables to prevent damaging your vehicle’s electrical
system.
Always disconnect the negative (–) cable first, and reconnect it last. ...