Eclipse L4-1997cc 2.0L DOHC (1991)
Idle Speed: Testing and Inspection
CURB IDLE SPEED TESTING AND INSPECTION
(1) The vehicle should be prepared as follows before the inspection
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Engine coolant temperature: 85-95°C (185-205°F)
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Lights, electric cooling fan and accessories: OFF
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Transaxle: Neutral ("P" for vehicles with an automatic transaxle)
(2) Connect a tachometer.
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Insert a paper clip (from the harness side) into the 1-pin connector shown in the figure.
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Connect a primary-Voltage-detection type of tachometer to the paper clip.
Tachometer Connector Usage
Caution: The paper clip should be inserted between the terminals as shown in the figure above.
NOTE: For rpm, one-half of the actual engine rpm is indicated, so the actual engine rpm is two times the indicated value shown by the tachometer.
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Use a jumper wire to ground the diagnostic test mode control terminal of the data link connector.
