FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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1999
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Catera V6-3.0L VIN R
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Scan Tool Testing and Procedures
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Scan Tool Data Definitions - Powertrain Systems
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Fuel Pump Relay
Fuel Pump Relay
On/Off
The
ECM
enables the
fuel pump
when the
CKP sensor
pulses are detected. This display indicates the commanded state of the
fuel pump relay
.