TAVRIDA ELECTRIC Rec15/25 Al1 5p, User Manual, Page: 86 / 136

86
Short circuit pins 1 and 3 of the RC5_4 heavy duty
connector as it is shown in Figure 82
Switch on the RC5_4 and the battery
The malfunction readings should change to
“OSM
coil short circuited”
If the reading doesn’t change the malfunction is in
wiring assembly between the RCM and control cable
NOTE! Remove the short circuiting wiring after the
test.
Control Cable is not connected properly
Check that the heavy duty plugs of the control cable,
OSM and RC5_4 are visually not damaged
Check that the control cable is connected properly
Connect control cable properly
Control Cable malfunction
Switch off the RC5_4 and the battery and wait for 2
minutes
Short circuit pins 37 and 39 of the heavy duty
connector of the control cable (OSM side) as it is
shown in Figure 82
Switch on the RC5_4 and the battery The
malfunction readings should change to
“OSM coil
short circuited”
If the reading doesn’t change the malfunction is in
the control cable
NOTE! Remove the short circuiting wiring after the
test.
Replace the control cable
OSM malfunction
If none of the above described actions helped it is
an OSM malfunction
Replace the OSM
Figure 86
RCM OSM coil inputs