Trouble Code 54 (Ground Solenoid Valves)

GROUND SOLENOID VALVES
Explanation
This defect code is stored when it is not possible to connect or disconnect ground for solenoid valves.

Effect of Detect
Mechanical emergency program.

Possible Cause
Wire of ground supply to Pin 54 defective.

Troubleshooting
Perform component activation. Measure signals. Ground is constantly applied at control unit Pin 54 or ground is switched "Off".