| 93-95 3.4L VIN S |
| 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 185° F. |
| 14 |
Coolant temperature sensor signal indicates a temperature of over 275°
F after the engine had been running for at least 20 seconds. |
| 15 |
Coolant temperature sensor signal indicates a temperature colder than
-38° F. |
| 16 |
Charging system voltage was below 8 volts for 2 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 10 seconds when engine was running. |
| 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 25 seconds after engine had been running for at least 4 minutes. |
| 24 |
Vehicle speed sensor signal showed less than 3 MPH for 4 seconds when
engine speed was greater than 2000 RPM and transmission was not in park
or neutral. |
| 25 |
Inlet air temperature sensor signal showed an air temperature of over
297° F for 2 seconds when vehicle speed was greater than 1 MPH. |
| 28 |
Range signals "A" and "C" were both on for 2 seconds. |
| 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 less than 1200 RPM. |
| 35 |
Idle speed was either above or below desired idle by 300 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. |
| 39 |
Clutch switch has failed 4 consecutive times per ignition cycle when vehicle
speed went from 0 to at least 40 MPH and back to 0 again when engine was
warm. |
| 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 volts or below 0.89 volts
for 10 seconds during hard acceleration with engine speed between 3400 and
4400 RPM. |
| 44 |
Oxygen sensor voltage was under 0.28 volts for 60 seconds of closed loop
operation. |
| 45 |
Oxygen sensor voltage was over 0.75 volts for 60 seconds of closed loop
operation. |
| 46 |
Anti-theft pass key signal was out of range when the ignition was turned
to ON or START position. |
| 51 |
PROM error. |
| 53 |
Charging system voltage was greater than 16.5 volts for 10 seconds. |
| 54 |
Fuel pump voltage was less than 7 volts for 2 seconds since the last reference
pulse was received. |
| 58 |
Transmission fluid temperature sensor signal indicated a temperature higher
than 306° F for 1 second. |
| 59 |
Transmission fluid temperature sensor signal indicated a temperature lower
than -40° F for 1 second. |
| 61 |
A/C system charge was below the given value, or the system line was open
or grounded. |
| 63 |
Right Bank oxygen sensor voltage was between 0.35 and 0.55 volts for 30
seconds with throttle angle above 3%. The engine had been operating in a
closed loop with an engine temperature above 185° F. |
| 64 |
Right Bank oxygen sensor voltage was below 0.28 volts for 60 seconds of
closed loop operation. |
| 65 |
Right Bank oxygen sensor voltage was above 0.75 volts for 60 seconds of
closed loop operation when the throttle angle was between 6% and 20%. |
| 66 |
A/C refrigerant pressure sensor voltage was below 0.1 volt for 5 seconds
when A/C was on. |
| 67 |
A/C refrigerant pressure did not change more than 9 psi when the A/C clutch
had been cycled. |
| 68 |
A/C compressor relay voltage was still applied for more than 10 seconds
after the relay was disengaged by the PCM. |
| 69 |
A/C compressor relay did not show any voltage for 20 seconds after the
A/C was commanded ON by the PCM. |
| 70 |
A/C refrigerant pressure sensor voltage was above 4.9 volts for 5 seconds
when A/C was ON. |
| 71 |
A/C evaporator temperature sensor indicated a temperature below 19° F
for 5 seconds. |
| 72 |
Vehicle speed sensor indicated a sudden change in transmission output
speed of more than 1000 RPM when vehicle was in gear. |
| 73 |
A/C evaporator temperature sensor indicated a temperature above 89° F
for 5 seconds. |
| 75 |
Digital EGR #1 solenoid failed 3 consecutive times. |
| 76 |
Digital EGR #2 solenoid failed 3 consecutive times. |
| 77 |
Digital EGR #3 solenoid failed 3 consecutive times. |
| 79 |
Transmission fluid temperature was over 295° F for 30 minutes. |
| 80 |
Transmission component slip speed was greater than 100 RPM for 10 seconds
while vehicle was in 2nd, 3rd, or 4th gear and throttle angle was between
0% and 35%. |
| 82 |
3X reference pulses were not detected by PCM during cranking. |
| 85 |
PROM error. |
| 86 |
A/D multiplexer chip has shorted to system voltage for 15 seconds. |
| 87 |
PROM error. |
| 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. |
| 93 |
Pressure control solenoid return amperage varied more than 0.16 amps from
the commanded amperage for at least 1 second. |
| 98 |
PCM error. Replace PCM. |
| 99 |
PCM error. Replace PCM. |
