October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Rear Axle Control Valve

Press "HA" and "LED" buttons. Digital display should be between 4.8-6.0 amps. If readout is okay, go to PROGRAM SWITCH POSITION test. If not, repeat test with engine running. If digital display is still not okay, replace control unit.

NOTE: Remaining tests are not in sequence. PROGRAM SWITCH POSITIONS 24 and 23 must be performed prior to PROGRAM SWITCH POSITIONS 20, 21 & 22.