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.
1995 Toyota Paseo AutomaticFACTORY OEM SERVICE PROCEDURE
Engine Controls - Tests W/Codes
- Introduction
- Summary
- Trouble Code Identification
- Diagnostic Testing
- Notes
- Code 12 - G2 Signal Circuit (CALIF.)
- Code 12 - G & Ne Signal Circuit (Except CALIF.)
- Code 13 - Crankshaft Position (CKP) Sensor Circuit (CALIF.)
- Code 13 - Ne Signal Circuit
- Code 14 - Igniter Circuit Malfunction (CALIF.)
- Code 14 - Ignition Signal Circuit (Except CALIF.)
- Code 21 - Oxygen Sensor Circuit
- Code 22 - Coolant Temperature Sensor (Cts) Circuit
- Code 24 - Intake Air Temperature (IAT) Sensor Circuit
- Code 25 - Air/Fuel Ratio Lean Malfunction
- Code 26 - Air/Fuel Ratio Rich Malfunction
- Code 27 - Sub-Oxygen Sensor Circuit (CALIF.)
- Code 31 - Manifold Absolute Pressure (Map) Sensor Circuit
- Code 33 - Idle Air Control (IAC) Valve Signal (CALIF. - Only)
- Code 41 - Throttle Position Sensor (TPS) Circuit Malfunction
- Code 42 - Vehicle Speed Sensor Signal Circuit
- Code 43 - Starter Signal Circuit
- Code 51 - Switch Condition Signal Circuit
- Code 52 - Knock Sensor Circuit
- Code 71 - Exhaust Gas RECIRCULATION (EGR) System Malfunction
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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