Possible Causes
| POSSIBLE CAUSES |
|---|
| 5-VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE |
| CKP SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND |
| CKP SIGNAL CIRCUIT SHORTED TO GROUND |
| 5-VOLT SUPPLY CIRCUIT SHORTED TO THE CKP SIGNAL CIRCUIT |
| 5-VOLT SUPPLY CIRCUIT SHORTED TO THE SENSOR GROUND CIRCUIT |
| CKP SIGNAL CIRCUIT SHORTED TO THE SENSOR GROUND CIRCUIT |
| 5-VOLT SUPPLY CIRCUIT OPEN OR HIGH RESISTANCE |
| CKP SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| CKP SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| CRANKSHAFT, TONE WHEEL OR FLEX PLATE |
| CRANKSHAFT POSITION SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .