5000CS Turbo L5-2226cc 2.22L SOHC Turbo (MC) (1987)
Cold Start Injector: Testing and Inspection
Electrical Test
Cold start valve, checking
Work sequence
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Unplug connector from cold start valve (arrow)
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Using LED test light US-1115, connect red test lead to terminal 1 and black test lead to terminal 2 of open cold start valve connector
Note: Cold start valve operates for only approx. 10 seconds
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Initiate output diagnosis sequence until code 4443 for cold start valve is displayed
^
Specification: LED of US 1115 must be ON
If LED is ON
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Replace cold start valve
If LED is NOT ON
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Connect voltmeter between terminal 1 of cold start valve connector and ground
^
Specification: approx. 12V
If voltage reading NOT OK
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Check for open circuit in wiring according to current flow diagram
If voltage reading OK
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Remove cover for control unit located in front passenger side footwell