Skylark L4-138 2.3L DOHC VIN D MFI QUAD 4 (1989)
Crankshaft Position Sensor: Technical Service Bulletins
1993-95 Service Manuals - Step 11
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Connect a DVM between terminals "F" and "J" of the Electronic ICM harness (or ICM 11 pin harness connector).
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Measure the combined resistance value of the crank sensor and crank sensor harness.
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Resistance should be between 500 and 900 ohms.
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Crank the engine and observe voltage (AC scale).
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Reading should be greater than 200 mV. Are both DVM readings within the given values?
