5000CS Turbo L5-2226cc 2.22L SOHC Turbo (MC) (1987)
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Using ohmmeter, check for continuity across following terminals
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Connector A terminal (21) and relay mount 10 terminal (47)
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Connector A terminal (31) and relay mount 10 terminal (49)
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specification; approx 0.2 ohm
If specification NOT OK
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Check for open circuit in wiring according to current flow diagram
If wiring OK
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Replace control unit