M3
M3 CHECK POWER TO THE ELECTRONIC HYDRAULIC CONTROL UNIT (EHCU)- Reinstall fuse 19 (60A).
- Disconnect the EHCU 2-Pin power connector.
EHCU 2-pin Power Connector:
- Measure the voltage between the EHCU 2-Pin power connector circuit 37 (Y) and chassis ground.
Is the voltage 10 volts or greater?
> Yes
Replace the EHCU. M4
> No
Repair circuit 37 (Y). M4