Diamante Sedan V6-2972cc 3.0L DOHC (1993)
Idle Speed: Adjustments
Base Idle Speed
With Scan Tool
Data Link Connector (DLC)
NOTE: Adjustment of idle speed is usually not required. Before adjusting idle speed, check the following items:
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Ignition System.
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Fuel Delivery.
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Compression pressure.
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Idle air control motor.
1. Precondition the vehicle as follows:
a. Engine coolant temperature greater than 185 degrees F.
b. Lights, electric cooling fan, and all electrical accessories off.
c. Transmission in neutral or park.
d. Steering wheel in the neutral position.
e. Ignition timing verified correct.
Self-Diagnostic Connector Grounded (under dash drivers side)
2. Connect scan tool to the data link connector (16 pins).
NOTE: Connecting the scan tool grounds the diagnostic test mode control terminal.
