FixVault

Trouble Code Identification Menu: Notes

PRELUDE FUEL INJECTION TROUBLE CODE IDENTIFICATION CHART

Code (1) System Affected Probable Cause
0 (2) ECU No signal to ECU
1  Heated Oxygen Sensor Problem in O2 sensor circuit
3  MAP Sensor Electrical problem in MAP sensor
4  Crank Angle Sensor Problem in CRANK circuit of sensor
5  MAP Sensor Mechanical problem in MAP sensor
6  Coolant Temperature Sensor Open or shorted circuit signal
7  Throttle Angle Sensor Open or shorted signal circuit
8  TDC Sensor Problem in TDC circuit of sensor
9  No. 1 Cyl. Position Sensor Problem in CYL ckt of sensor
10  Intake Air Temperature Open or shorted circuit signal
12  EGR System No EGR action
13  Atmospheric Pressure Open or shorted circuit signal
14  Electronic Air Control (EACV) Open or shorted EACV ckt
15  Ignition Output Signal Open or shorted signal circuit
16  Fuel Injector Open or shorted signal circuit
17  Vehicle Speed Sensor Open or shorted signal circuit
41  Oxygen Sensor Heater Problem in O2 sensor circuit
43  Fuel Supply System O2 sensor ckt problem or fuel system
(1) If codes other than the above are indicated, repeat self-diagnosis. If code(s) reappear, substitute with a known good ECU and recheck code(s). If code(s) clear, replace ECU.
(2) NO CHECK ENGINE LIGHT, CHECK ENGINE LIGHT ON, LED DOES NOT FLASH CODES.