With Check Engine Light

1. Run engine at 2000 rpm for two minutes.

2. Turn engine OFF, and wait 10 seconds.

3. START engine.

4. Run engine at idle.

5. Jumper STI on diagnostic connector to ground.

Diagnostic Connector (STO/STI):

6. Record service codes.

IF NO CODES AND SENT HERE FROM KEY ON ENGINE OFF (KOEO) Self Test, Switch Monitor Test


IF NO CODES AND SENT HERE FROM ERASE AND RETEST, Scan Tool Testing and Procedures

IF CODES ARE PRESENT, refer to SERVICE CODE CHART below.



CODE AFFECTED CIRCUIT PINPOINT TEST

02 Crankshaft Position Sensor CKP CKP - Crankshaft Position Sensor

08 Air Flow Meter VAF VAF - Vane Air Flow Sensor

09 Engine Coolant Temperature ECT ECT - Engine Coolant Temperature Sensor

10 Intake Air Temperature IAT IAT - Intake Air Temperature Sensor

14 Barometric Pressure Sensor BARO BARO - Barometric Pressure Sensor

15 Oxygen Sensor O2S O2S - Oxygen Sensor

17 Oxygen Sensor O2S O2S - Oxygen Sensor

26 Solenoid Controlled By Ground SCG SCG - Solenoid Controlled By Ground

34 Solenoid Controlled By Ground SCG SCG - Solenoid Controlled By Ground

CODES NOT LISTED PGC PGC - Power and Ground Connections