Qt1 Carry Out A Visual Inspection
NOTE:
Regeneration may occur during normal operation. During regeneration, diagnostic procedures may display biased values. If a regeneration occurs during diagnostic procedures, allow the process to complete before continuing diagnostics.
NOTE:
Visually inspect the vehicle for aftermarket accessories and performance modifications (air filter, exhaust system, intake system, performance chip, and turbocharger). Refer to
ENGINE CONTROL (EC) SYSTEM
, Modifications to OBD Vehicles.
- Access any related OASIS or TSB information.
- Check the battery and charging system for correct operation. Refer to the service information , Battery and Charging System General Information.
- Inspect the air cleaner, intake tubes and clamps for damage, restrictions, obstructions, and correct routing.
- Inspect all hoses for damage, leaks, blockage, and correct routing.
- Inspect the fuel system including the fuel tank and the fuel lines for damage, kinks, bends, leaks and correct routing.
- Check fuses for continuity and correct installation.
- Inspect the vehicle wiring harnesses for damage, chafing and correct routing.
- Inspect the exhaust system for damage, restrictions, collapsed pipes, and correct routing.
- Check for the correct engine oil level and quality.
- Check for the correct engine coolant level and quality.
Is a concern present?
| Yes | No |
|---|---|
| REPAIR as necessary. | GO to Quick Test QT2 . |