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Home >> Chevrolet >> 2021 >> Trailblazer RS, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Controls And Fuel - 1.0L (L4B L4F L4G LIJ) Or 1.2L (L4H L4K LIF LIH) - Diagnostic Information And Procedures (1 Of 2)) >> Diagnostic Information and Procedures >> DTC P0201-P0203, P0261, P0262, P0264, P0265, P0267, P0268, P1248, P1249, P124A, P2147, P2148, P2150, P2151, P2153, or P2154 >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different variant/trim than selected.
Circuit Description
Control circuit terminal 2 Regulated voltage supplied by the control module.
Control circuit terminal 1 The output circuit is switched to ground to activate the component.
Component Description
Q17 Fuel Injector Fuel injectors are solenoid valves that inject fuel either into the intake system or directly into the cylinder. The amount of fuel injected depends on the length of the electrical pulse that is applied. The fuel injectors of this system have an operating voltage range of 12 to 65 V.
K20 Engine Control Module The control module controls a series of actuators to ensure optimal engine performance. The control module does this by reading values from a variety of sensors, interprets the data and adjusts the engine actuators accordingly.
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