| 94-95 3.1L VIN M | |
|---|---|
| 13 | Oxygen sensor voltage stays between 0.35 and 0.55 volts for 30 seconds when the TPS signal was above 3%. The engine had been operating in a closed loop with an engine temperature above 149° F. |
| 14 | Coolant temperature sensor signal indicates a temperature of over 275° F after the engine had been running for at least 10 seconds. |
| 15 | Coolant temperature sensor signal indicates a temperature colder than -38° F for 2 seconds. |
| 16 | Charging system voltage was below 8 volts for 5 seconds when engine speed was above 1000 RPM. |
| 17 | PCM did not detect any cam reference pulses for 3 seconds while engine was running. |
| 21 | TPS voltage was above 3.8 volts for 5 seconds when engine was running above 600 RPM. |
| 22 | TPS voltage was under 0.2 volts for 3 seconds when the engine was running at 400 RPM or more. |
| 23 | Inlet air temperature sensor signal showed an air temperature of -36° F for 4 minutes. |
| 24 | Vehicle speed sensor signal showed less than 5 MPH for 4 seconds when engine speed was greater than 3000 RPM and transmission was not in park or neutral. |
| 25 | Inlet air temperature sensor signal showed an air temperature over 297 F for 5 seconds when I vehicle speed was greater than 1 MPH. |
| 28 | Transaxle range switch had incorrect signal for 10 seconds. |
| 32 | Digital EGR calibrated response in manifold pressure was not seen by ECM. |
| 33 | MAP sensor signal voltage was too high (low vacuum) for 4 seconds when throttle angle was between 3% and 30% and held steady. |
| 34 | MAP sensor signal voltage was too low (high vacuum) for 2.5 seconds when engine speed was above 500 RPM. |
| 35 | Idle speed was either above or below desired idle by 350 RPM for 50 seconds. |
| 36 | PCM did not detect 6 or more consecutive 24X (crank reference) pulses. |
| 37 | PCM did not receive the TCC brake signal 4 consecutive times when vehicle speed went from above 35 MPH (for at least 10 seconds) to 0 MPH. |
| 41 | The EST signal was present when the circuit should have been grounded by the ignition module when it received bypass voltage under 1 volt. |
| 42 | The EST signal did not change when the ECM applied bypass voltage to the ignition module. |
| 43 | The ECM detected knock sensor voltage above 4.6 volts or below 0.84 volts for 10 seconds during hard acceleration with engine speed between 3400 and 4400 RPM. |
| 44 | Oxygen sensor voltage was under 0.25 volts for 60 seconds of closed loop operation. |
| 45 | Oxygen sensor voltage was over 0.75 volts for 60 seconds of closed loop operation. |
| 51 | PROM error. |
| 53 | Charging system voltage was greater than 16.5 volts. |
| 54 | Fuel pump voltage was above 14 volts or less than 7 volts for 3 seconds. |
| 72 | Vehicle speed sensor indicated a sudden change in speed of more than 33 MPH in 2 seconds when vehicle was in gear. |
| 75 | Digital EGR solenoid 1 failed 3 consecutive times. Engine speed was between 1400 and 2000 RPM when throttle angle was 0% and the MAP sensor showed high manifold vacuum. |
| 76 | Digital EGR solenoid 2 failed 3 consecutive times. Engine speed was between 1400 and 2000 RPM when throttle angle was 0% and the MAP sensor showed high manifold vacuum. |
| 77 | Digital EGR solenoid 3 failed 3 consecutive times. Engine speed was between 1400 and 2000 RPM when throttle angle was 0% and the MAP sensor showed high manifold vacuum. |
| 82 | 3X reference pulses were not detected by PCM during cranking. |
| 90 | TCC solenoid voltage stayed high for 2 seconds after it was turned ON by the PCM, or the TCC solenoid voltage was 0 volts for 2 seconds after it was turned OFF by the PCM. |