Chevrolet Sonic Repair Manual: Engine Control

Internal Combustion Powertrain Control

General

Other materials:

Cooling Fan Description and Operation (LUV)
The engine cooling fan system is composed of one cooling fan, a series of 5 relays, the engine control module (ECM), and the associated wiring. The cooling fan assembly includes two resistors. This combination of components enables the ECM to operate the cooling fan at 3 speeds usi ...

Control Solenoid Valve and Transmission Control Module Assembly Inspection
Verify the conditions listed below do not exist. Carefully inspect the control solenoid valve assembly connectors and pins (1, 2, 4, 6) for the condition. Repair or replace as necessary. Damage Bent pins Debris Broken retaining tab Contamination Verify there is ...

Automatic Transmission (AT)
9 speed automatic transmission The Nissan Armada is equipped with a sophisticated 9-speed automatic transmission that is electronically managed by an advanced transmission control module. This system is engineered to deliver optimal fuel efficiency, smooth gear transitions, and responsive per ...