Possible Causes
| Possible Causes |
|---|
| (K451) MDS SOLENOID NO.1 CONTROL SHORTED TO GROUND |
| (K451) MDS SOLENOID NO.1 CONTROL OPEN |
| (Z42) GROUND CIRCUIT OPEN |
| INSUFFICIENT OIL PRESSURE ACTING ON THE LIFTER LOCKING PINS |
| OIL PASSAGES RESTRICTED |
| LIFTER |
| MDS SOLENOID |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.