Operation CHARM
: Car repair manuals for everyone.
Home
>>
Chevrolet
>>
1999
>>
Lumina V6-3.8L VIN K
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Computers and Control Systems
>>
Testing and Inspection
>>
Scan Tool Testing and Procedures
>>
Scan Tool Data, Normal Values and Definitions
>>
Scan Tool Data Definitions - Powertrain Systems
>>
18X Crank Sensor
18X Crank Sensor
Scan Tool Displays
0
to
1200 RPM
. This signal is produced by the
Ignition Control Module
and is fed to the PCM to calculate engine RPM below
1200 RPM
.