5000CS Turbo L5-2226cc 2.22L SOHC Turbo (MC) (1987)
Engine Speed Sensor: Testing and Inspection
Speed sensor, checking
Work sequence
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Unplug gray connector 2 from plenum panel mounting
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Connect ohmmeter between terminals 1 and 2 of unplugged connector
^
specification: 1 K ohm
If specification NOT OK
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Replace engine rpm sensor
If specification OK
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Connect ohmmeter between terminals 1 and 3 then 2 and 3 of unplugged connector
^
specification: infinite ohm
If specification NOT OK
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Replace engine rpm sensor
If specifications OK
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Check wiring and connectors between sensor and control unit as follows
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Remove control unit cover panel located on passenger side footwell
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Unplug control unit connector