Chevrolet Trax: Engine Controls and Fuel - 1.4L - Description and operation
Chevrolet Trax (2013-2022) Workshop Manual / Engine / Engine Controls and Fuel - 1.4L / Engine Controls and Fuel - 1.4L - Description and operation
- Camshaft actuator system description
- Engine control module description
- Fuel system description (LUJ)
- Fuel system description (LUV)
- Knock sensor system description
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Camshaft actuator system description
Camshaft Actuator System Overview
Fig. 1: Identifying Camshaft Actuator System Components
The camshaft actuator system enables the engine control module (ECM) to
change camshaft timing of all 4
Engine control module description
The Engine Control Module (ECM) interacts with many emission related
components and systems, and
monitors emission related components and systems for deterioration. OBD II
diagnostics monitor the sy
Fuel system description (LUJ)
Fuel System Overview
The engine control module (ECM) enables the fuel pump relay when the ignition
switch is turned ON. The
ECM will disable the fuel pump relay within 2 seconds unless the control mo
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Voltage waveform samples
NOTE: This is GENERAL information. This article is not
intended to be specific to any
unique situation or individual vehicle configuration. For model-specific
information see appropriate articles where available.
EXAMPLE #1 - VOLTAGE CONTROLLED DRIVER
These two known-good waveform patterns are from
DTC P2723 OR P2724
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
DTC Descriptors
N
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