Golf III L4-1984cc 2.0L SOHC (1993)
Engine Speed Sensor: Testing and Inspection
Harness Connector Terminal I.D.
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With the ignition "OFF", remove the WHITE 3-pin harness connector from the Engine Speed Sensor.
Engine Sensor Harness Connector
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Check resistance between terminals 1 and 2 of sensor.
^
SHOULD BE: 500-700 ohms.
^
IF NOT: Replace Engine Speed Sensor.
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Check resistance between terminals 1 and 3 of sensor.
^
SHOULD BE: infinite ohms (no continuity).
^
IF NOT: Replace Engine Speed Sensor (even if resistance is very high).
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Check resistance between terminals 2 and 3 of sensor.
^
SHOULD BE: infinite ohms (no continuity).
^
IF NOT: Replace Engine Speed Sensor (even if resistance is very high).