5000CS Turbo L5-2226cc 2.22L SOHC Turbo (MC) (1987)
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Unplug control unit connector
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Using ohmmeter check between terminals of ignition timing reference sensor C and control unit connector A
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Connector C terminal (1) and control unit connector A terminal (13)
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Connector C terminal (2) and control unit connector A terminal (12)
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Connector C terminal (3) and control unit connector A terminal (28)
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Each specification: approx. 0 ohm
If specification NOT OK
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Check for open circuit in wiring between ignition timing reference sensor and control unit
If wiring OK
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Check clearance of ignition timing sensor to reference pin in flywheel
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Specification: 1.10 mm (0.043 in.)
If sensor clearance OK
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Replace control unit