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 MANUALSHONDA1995PASSPORT EX, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - TESTS W/CODES - 3.2L
1995 Honda Passport EX, Automatic
Engine Controls - Tests W/Codes - 3.2L
1995 Honda Passport EX, AutomaticSECTION Engine Controls - Tests W/Codes - 3.2L
- Introduction
- Self-Diagnostic System
- Code Charts
- Notes
- Diagnostic Circuit Check
- ECM Terminal Identification
- Chart A-1 - No Check Engine Light
- Chart A-2 - No ALDL Data Or Will Not Flash Code 12 Check Engine Light On Steady)
- Code 13 - Oxygen Sensor (Open Circuit)
- Code 14A - Cts Circuit (High Temperature Indicated)
- Code 14B - Cts Circuit (Low Temperature Indicated)
- Code 21A - TPS Circuit (Signal Voltage High)
- Code 21B - TPS Circuit (Signal Voltage Low)
- Code 23A - Mat Circuit (Low Temperature Indicated)
- Code 23B - Mat Circuit (High Temperature Indicated)
- Code 24 - VSS Circuit
- Code 32 - EGR System
- Code 33A - Map Sensor (Signal Voltage High)
- Code 33B - Map Sensor (Signal Voltage Low)
- Code 42 - Est (Electronic Spark Timing)
- Code 44 - Oxygen Sensor (Lean Fuel Mixture)
- Code 45 - Oxygen Sensor (Rich Fuel Mixture)
- Code 51 - Prom Error
- Summary
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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.