With Malfunction Indicator Lamp
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.
Diagnostic Connector (STO/STI):
6. Jumper 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,
- If codes are present, refer to Service Code Chart below.
CODE AFFECTED CIRCUIT PINPOINT TEST
02 Crankshaft Position Sensor 2 CKP2 CKP2 - Crankshaft Position Sensor No. 2
03 Cylinder Identification Sensor CID CID - Cylinder Identification Sensor
04 Crankshaft Position Sensor 1 CKP1 CKP1 - Crankshaft Position Sensor No. 1
05 Knock Sensor KS KS - Knock Sensor
08 Air Flow Meter MC-VAF MC/VAF - Measuring Core/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
16 EGR Valve Position EVP EVP - Exhaust Gas Recirculation Valve Position Sensor
17 Heated Oxygen Sensor HO2S HO2S - Heated Oxygen Sensor
23 Heated Oxygen Sensor HO2S HO2S - Heated Oxygen Sensor
24 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
28 Solenoid Controlled By Ground SCG SCG - Solenoid Controlled By Ground
29 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
46 Solenoid Controlled By Ground SCG SCG - Solenoid Controlled By Ground
67 Relay Output Check ROC ROC - Relay Output Check
CODES NOT LISTED PGC PGC - Power and Ground Connections