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Information Engine Management Component Testing
9.3 Engine Management Component Testing
Procedures for diagnosing, evaluating, and testing engine management system components are
found in this section. Information is specific to the identified vehicle.
z To access engine management component testing:
1. Double tap the Engine Management Component Testing icon.
A category list displays (Figure 9-3). The number of categories available varies by make,
model, and year. Select Cancel at the bottom of the list to return to the previous screen.
Figure 9-5 Sample engine management component testing category list
2. Select a category from the list.
The selected category screen opens.
Although category availability varies by vehicle, typical choices include:
• Diagnostic Trouble Codes—this is the same information available from the Diagnostic
Trouble Codes icon, see “Diagnostic Trouble Codes” on page 113 for details.
• Component Testing—provides detailed procedures and specifications for testing system
components and performing service operations.
• Wiring Diagram—this is the same information available from the Wiring Diagrams icon, see
“Wiring Diagrams” on page 121 for details.
• Engine Bay—this information is also available from the Component Locations icon, see
“Component Locations” on page 119 for details.
• System Layout—provides a graphical description of the engine management system design.
• General Test Procedures—provides common test procedures and service guidelines that
apply to all makes and models.
• Safety Precautions—lists safety precautions that must be adhered to protect yourself,
bystanders, the vehicle and equipment from accidental injury or damage.
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