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S15/T15 Sonoma P/U 2WD L4-2.2L VIN 4
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Repair and Diagnosis
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Powertrain Management
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Testing and Inspection
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Scan Tool Testing and Procedures
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Scan Tool Data, Normal Values and Definitions
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Scan Tool Data Definitions - Powertrain Systems
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KS Retard
KS Retard
0-90 degrees
: The
Knock Sensor
(
KS
)
retard indicates the amount of spark advance (IC) the
PCM
is removing from in response to the knock sensor (KS) signal.