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 MANUALSISUZU2006ASCENDER S, 5.3 M, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 223 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 5.3L - INTRODUCTION (2 OF 2))COMPONENT LOCATORENGINE CONTROLS CONNECTORSENGINE CONTROL SYSTEM & FUEL SYSTEM - 5.3L - INTRODUCTION (2 OF 2)
2006 Isuzu Ascender S, 5.3 M, 4WD
Engine Control System & Fuel System - 5.3L - Introduction (2 Of 2)
2006 Isuzu Ascender S, 5.3 M, 4WDSECTION Engine Control System & Fuel System - 5.3L - Introduction (2 Of 2)
WARNING: This page is about a different car, the 2007 GMC Envoy, 2007 Chevrolet TrailBlazer, and 2007 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 Connector Parts Information
Connector Part Information
|
Terminal Part Information
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Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 Connecter Terminal Identification
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| A | TN | 1664 | HO2S Low Signal - Bank 1 Sensor 1 |
| B | PU/WH | 1665 | HO2S High Signal - Bank 1 Sensor 1 |
| C | BK/WH | 3113 | HO2S Heater Low Control - Bank 1 Sensor 1 |
| D | PK | 1539 | Ignition 1 Voltage |
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.