RAM 3500 Chassis Cab Truck 2WD L6-6.7L DSL Turbo (2010)
Intake Air Heater Relay: Description and Operation
Operation
Engine Control Module (ECM)
OPERATION
The Engine Control Module (ECM) operates the heating element through the intake manifold air heater relay. Refer to the Diagnostic Procedures for an
electrical operation and complete description of the intake heater, including pre-heat and post-heat cycles.
Powertrain Control Module (PCM)
OPERATION
The Powertrain Control Module (PCM) operates the heating element through the intake manifold air heater relay. Refer to the Diagnostic Procedures for
an electrical operation and complete description of the intake heater, including pre-heat and post-heat cycles.
