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Trouble Code Identification

TROUBLE CODE IDENTIFICATION

Code (1) System Affected Probable Cause
0 ECU No signal to ECU
1 Oxygen Sensor (Front) Open or shorted signal circuit
2 Oxygen Sensor (Rear) Open or shorted signal circuit
3 MAP Sensor Electrical problem in MAP sensor
4 Crank Angle Sensor Problem in CRANK sensor circuit
5 MAP Sensor Mechanical problem in MAP sensor
6 Coolant Temperature Sensor Open or shorted signal circuit
7 Throttle Angle Sensor Open or shorted signal circuit
8 TDC Position Sensor Problem in TDC sensor circuit
9 No. 1 Cyl. Position (1.6L) Problem in CYL sensor circuit
10 Intake Air Temperature Open or shorted signal circuit
12 EGR System (CA A/T & Hi. Alt) No EGR action
13 Atmospheric Pressure (PA) Open or shorted signal circuit
14 Elec Air Control Valve (EACV) Problem in EACV circuit
15 Ignition Output Signal Open or shorted signal circuit
17 Vehicle Speed Sensor (VSS) No VSS signal
18 Ignition Timing Adjustment Open or shorted signal circuit
(1) If codes other than the above are indicated, repeat self-diagnosis. If code(s) reappear, substitute a known good ECU and recheck codes. If code(s) clear, replace ECU.