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Home >> Chevrolet >> 2002 >> Tracker 2D Utility, RWD, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Powertrain Control Module

Powertrain Control Module

The Powertrain Control Module (PCM) is located under the glove box. On the 2.0L, PCM power is sent from main relay to PCM connector C2, terminals No. 4 and 15. PCM backup power is received from junction block to PCM connector C1, terminal No. 2. On the 2.5L, PCM power is sent from main relay to PCM connector C4, terminals No. 20 and 21. PCM backup power is received from junction block to PCM connector C1, terminal No. 35.

NOTE: Components are grouped into 2 categories. First category is INPUT DEVICES  , which are components that control or produce voltage signals monitored by PCM. Second category is OUTPUT SIGNALS  , which are components controlled by PCM.
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