Resistance Issues - Matrix E1X Service Manual

6.4 tRoUblESHootiNg - RESiStaNcE iSSUES
NO RESISTANCE CHANGE OR ALWAYS HIGH RESISTANCE
poSSiblE caUSES:
1) The console is damaged or the console cable is not connected properly.
2) The console cable is damaged.
3) The ECB is damaged.
4) The lower board is damaged.
SolUtioN:
1) Check the console cable connections at the console and lower board.
2) Unplug the ECB wiring harness from the lower board and pedal the machine. Using a multi-meter, check the ohm readout from the ECB
wiring harness (Figure A).
a. If the ohm reading is between 10 and 15, replace the lower board.
b. If the ohm reading is not between 10 and 15, replace the ECB.
c. If the issue is not resolved by the lower board or ECB, replace the console.
d. If the issue is not resolved by the lower board, ECB, or console, replace the console cable.
cHaptER 6: tRoUblESHootiNg
figURE a
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