Corrado L4-1781cc 1.8L SOHC SC (PG) (1990)
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will run from 1 to 4 minutes at increased engine RPM
When idle speed is reduced approx. 100 RPM
- raise engine speed in excess of 3000 RPM 3 times then let idle
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control current must be 460 ± 60 mA and fluctuating
- disconnect blue coolant temperature sensor harness connector (arrow)
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control current must be 460 ± 60 and constant
If test conditions<are maintained but specifications are not obtained
- replace Digifant control unit (J 169)
NOTE: Idle speed stabilization control current is dependent upon engine load during idle. Due to the following loads the control current can vary
between 400 and 1200 mA:
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engine cold
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A/C switched ON
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electrical consumers switched ON
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power steering at full lock