| 92-95 1.9L VIN 7/8/9 |
|---|
| 11 | Transaxle trouble code is present. | Check transaxle |
| 12 | PCM self-diagnostic test is OK. | No engine speed (RPM) signal received |
| 13 | Oxygen sensor voltage stays between 0.35 and 0.55 volts for 20 seconds
when the engine was at normal operating temperature. | Wiring open circuit, O2S, ECM |
| 14 | Coolant temperature sensor signal indicates a temperature of over 284°
F. | Wiring, ECT sensor, ECM |
| 15 | Coolant temperature sensor signal indicates a temperature colder than
-31° F. | Wiring open circuit, ECT sensor, ECM |
| 16 | System voltage – high/low | Wiring, battery, alternator |
19 | Crankshaft position signal (6X) did not occur between each reference pulse
for 3 consecutive times. | Wiring, CKP sensor, ECM | | 21 | TPS voltage was above 4.9 volts. | Wiring, TP sensor, ECM |
| 22 | TPS voltage was under 0.2 volts. | Wiring open circuit/short circuit to ground, TP sensor, ECM |
| 23 | Inlet air temperature sensor signal showed an air temperature of -22°
F. | Wiring, IAT sensor, ECM |
| 24 | Vehicle speed sensor (VSS) – no signal | Wiring, VSS, ECM |
| 25 | Inlet air temperature sensor signal showed an air temperature over 257°
F. | Wiring short circuit to ground, IAT sensor, ECM |
| 26 | Any of the quad-driver module circuits had an open or short for 25 seconds. | Wiring, ECM controlled components, ECM |
| 27 | Any of the quad-driver module circuits had an open or short for 5 seconds. | Wiring, ECM controlled components, ECM |
| 32 | EGR system fault. Fuel mixture did not change when EGR solenoid was commanded
ON and OFF. | Wiring, poor connections, EGR valve, ECM |
| 33 | MAP sensor signal voltage was greater than 4.2 volts when throttle angle
was less than 5%. | Wiring, hose blocked/leaking, MAP sensor, ECM |
| 34 | MAP sensor signal voltage was less than 2 volts when engine speed was
less than 1200 RPM. | Wiring open circuit/short circuit to ground, MAP sensor, ECM |
| 35 | Idle air control (IAC) valve | Wiring, IAC valve, intake system leaking, fuel system, PCV valve, A/C system, mechanical fault, ECM |
| 41 | Electronic ignition circuit was either open or grounded. | Wiring, poor connections, ICM, ECM |
| 42 | The EST signal did not change when the ECM applied bypass voltage to the
ignition module. | Wiring, poor connections, ICM, ECM |
| 43 | Knock sensor (KS) – circuit malfunction | Wiring, KS, ECM |
| 44 | Oxygen sensor voltage was under 0.3 volts for 3 minutes of closed loop
operation. | Wiring short circuit to ground, injector(s) blocked, fuel contamination, fuel pressure low. exhaust system leaking, O2S, ECM |
| 48 | PCM detected extra or missing crank reference pulses. | Wiring, ICM, ECM |
| 49 | IAC was working improperly. Engine idle RPM was too high. | Wiring, IAC valve, intake system leaking, fuel system, PCV valve, A/C system, ECM |
| 51 | PROM error. | Poor connections, incorrect programming, ECM |
| 52 | PCM sees a battery voltage either above 17 volts or below 11 volts. | Wiring, alternator, battery |
| 53 | Knock sensor could not eliminate engine noise by retarding timing. | Wiring, mechanical fault, ECM |
| 54 | Engine control module (ECM), sensor supply voltage – circuit malfunction | Wiring, poor connections, ECM |
| 55 | Engine control module (ECM) – malfunction | Engine control module (ECM) |
| 58 | Battery voltage has changed more than 3 volts instantly. | Wiring, alternator |
| 63 | Cruise control system – performance low | Wiring, poor connections, accelerator cable sticking |
| 71 | Engine coolant temperature was above 244° F. | Wiring, ECT sensor, ECM |
| 72 | Engine coolant temperature was below 32° F after engine had been running
for 5 minutes. | Wiring open circuit, ECT sensor, ECM |
| 73 | Engine coolant temperature changed more than 59° F in 0.1 second. | Wiring, ECT sensor, ECM |
| 74 | Engine coolant temperature sensor reading was less than the transaxle
temperature sensor reading. | Wiring, ECT sensor, TFT sensor, ECM |
| 75 | Inlet air temperature reading changed more than 59° F in 0.1 second. | Wiring, IAT sensor, ECM |
| 76 | MAP sensor signal did not change with a corresponding change in the TPS. | Wiring, TP sensor, MAP sensor, ECM |
| 83 | Engine coolant switch was open for 20 seconds when engine was running. | Coolant level low, wiring, engine coolant ‘low’ warning lamp switch |
| 84 | Communications error between engine control module and transaxle controller. | Poor connections, incorrect programming, ECM |
