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Engine Controls - Tests W/Codes: Self-Diagnostics

NOTE: Code diagnostic hints table may be used to determine a common cause for a code to be set.
CODE DIAGNOSTIC HINTS

Code Diagnostic Hints
11 Momentary Interruption Of Power Supply To ECU
12  No "G" or "NE" (RPM) Ignition Signal To ECU Within 2 Seconds After Engine Is Cranked
13  No "NE" (RPM) Ignition Signal To ECU When Engine Speed Is Greater Than Approximately 1000 RPM
14 No IGF Ignition Signal To ECU From Ignitor Several Times In Succession
16 Fault In Transmission/Transaxle ECU
21 Defective O2 Sensor, Open Or Short Circuit In O2 Sensor Signal
22 Open Or Short Circuit In Coolant Temp. Sensor Signal
24 Open Or Short Circuit In Intake Air Temp. Sensor Signal
25 Lean Signal Sent By O2 Sensor For Several Seconds
26 Rich Signal Sent By O2 Sensor For Several Seconds
27 Open Or Short Circuit In Sub-O2 Sensor Signal
28 Defective No. 2 O2 Sensor Open Or Short Circuit In No. 2 O2 Sensor Signal
31 Open Or Short Circuit In Airflow Meter Or Vacuum Sensor Signal
32 Open Or Short Circuit Between Airflow Meter Terminals
34 Turbocharger Pressure Is Abnormal
35 Open Or Short Circuit In Turbocharger Pressure Sensor Or High Altitude Compensator Signal
41 Open Or Short Circuit In Throttle Position Sensor Signal
42 No SPD Signal From Vehicle Speed Sensor For Several Seconds With Engine Speed Approximately 2500-5500 RPM
43 No STA Signal To ECU Until Engine Reaches 800 RPM With Vehicle Not Moving
51 (1) Problem In One Of 3 Circuits Monitored By ECU
52 Open Or Short Circuit In Knock Sensor Signal
53 Knock Control In ECU Is Faulty
71 EGR Gas Below Predetermined Level During EGR Control
(1) The throttle position sensor, neutral safety switch and A/C Signal circuits are monitored.