Navistar MaxxForce DT Diagnostic Manual page 125

Actions:
1. When TC2WC is commanded ON, verify Intake Manifold Pressure (IMP) signal value drops.
NOTE – MaxxForce® 11 ONLY: AFT regen status stays "Not Active."
NOTE – Turbocharger 1 Wastegate Control (TC1WC) does not affect engine performance and is removed
from post-production engines. If engine is equipped with one, it is not used by the Engine Control
Module (ECM).
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