Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1936 (ENGINE CONTROLS AND FUEL - 3.5L - DTC P0010 TO DTC P0232)DTC P0112 OR P0113TYPICAL SCAN TOOL DATA
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Typical Scan Tool Data
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Typical Scan Tool Data
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
IAT Sensor
| Circuit | Short to Ground | Open | Short to Voltage |
|---|---|---|---|
| Operating Conditions:
Engine running Parameter Normal Range: Varies with ambient temperature |
|||
| IAT Sensor Signal | 150°C (302°F) | -40°C (-40°F) | -40°C (-40°F)* |
| Low Reference | - | -40°C (-40°F) | -40°C (-40°F)* |
| *Internal ECM or sensor damage may occur if the circuit is shorted to B+ | |||
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.