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Home >> Chevrolet >> 2021 >> Malibu Premier >> Repair and Diagnosis >> Engine Mechanical >> Starter >> 12 V Starting And Charging - Diagnostic Information And Procedures (2 Of 2) >> Diagnostic Information and Procedures >> Starter Malfunction (KL9) >> Circuit/System Description

Circuit/System Description

For an overview of the component/system, refer to: Starting System Description and Operation

Circuit Description
B+ - Relay Switch Supplied from a fuse.
Control - Component The output circuit is switched to 12 V to activate the component.
Control - Relay Coil The output circuit is switched to 12 V to activate the component.
Ground - Relay Coil Chassis Ground
Component Description
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.
KR27 Starter Relay B+ is switched through the relay to the starter motor.
KR27C Starter Pinion Solenoid Actuator Relay B+ is switched through the relay to the starter motor.
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