With Analog Voltmeter

1. Disconnect the jumper connecting PCM STI to ground.

2. Connect a Rotunda 88 Digital Multimeter 105-00053, or equivalent as a tachometer.

3. Run engine at 2000 rpm for three minutes.

4. Turn engine OFF, and wait 10 seconds.

5. Start engine. Run engine at idle.

6. Jumper PCM STI on diagnostic connector to ground.

7. 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, [1][2]Clearing Diagnostic Trouble Codes

- If codes are present, refer to Service Code Chart below.

CODE AFFECTED CIRCUIT PINPOINT TEST

02 Crankshaft Position Sensor CKP CKP - Crankshaft Position Sensor

03 Camshaft Position Sensor CMP CMP - Camshaft Position Sensor

08 Air Flow Sensor VAF VAF - Volume Air Flow Sensor

09 Engine Coolant Temperature ECT ECT - Engine Coolant Temperature Sensor

10 Intake Air Temperature IAT IAT - Intake Air Temperature Sensor

12 Throttle Position Sensor TP TP - Throttle Position Sensor

14 Barometric Pressure Sensor BARO BARO - Barometric Pressure Sensor

15 Heated Oxygen Sensor HO2S HO2S - Heated Oxygen Sensor

17 Heated Oxygen Sensor HO2S HO2S - Heated Oxygen Sensor

25 Solenoid Controlled By Ground SCG SCG - Solenoid Controlled By Ground

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

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

41 Solenoid Controlled By Ground SCG SCG - Solenoid Controlled By Ground

CODES NOT LISTED PGC PGC - Power and Ground Connections