LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 1998 >> Venture V6-3.4L VIN E >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Description and Operation >> Electronic Ignition System Components >> Powertrain Control Module (PCM)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Powertrain Control Module (PCM)






DESCRIPTION
The PCM is responsible for maintaining proper spark and fuel injection timing for all driving conditions. To provide optimum driveability and emissions, the PCM monitors input signals from the following components in calculating Ignition Control (IC) spark timing:




Ignition Control (IC) Module.




Engine Coolant Temperature (ECT) sensor.




Intake Air Temperature (IAT) sensor.




Mass Air Flow (MAF) sensor (1).

Transaxle Range Switch:




Transaxle Range switch.




Throttle Position (TP) Sensor




Vehicle Speed Sensor (VSS).