24A Sensor Calibrations (Engine Coolant)

1. Engine must be Cold.
2. Connect a voltmeter to cavity No. 23 of the logic module black connector and ground.
3. Turn the ignition switch to the Run position.
4. If voltmeter reads Engine Coolant Temperature below 60°F (3 to 5). Above 60°F but not over 120°F (1 to 3), Perform Step B.
5. If voltage is not okay, replace the coolant sensor.