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Saab
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1993
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9000 L4-2290cc 2.3L DOHC Turbo EFI
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Repair and Diagnosis
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Powertrain Management
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Description and Operation
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ECM Output Signals
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Malfunction Indicator Lamp (Check Engine)
Malfunction Indicator Lamp (Check Engine)
Malfunction Indicator Lamp:
The
malfunction indicator lamp
(CHECK ENGINE lamp) is grounded via pin 32 of the ECM. The +15 supply voltage comes from terminal 159 of the fuse holder inside the glove box