ELECTRICAL
4181383 First Edition 4-51
4
Traction Control Circuit
Symptom: Traction control circuit will not operate.
Probable Cause Remedy
Faulty traction control switch. With the traction control switch in the on position, check control module
lvl/deck lift sw input LED. If the LED does not come on, test the switch. (See
“Traction Control Switch Test” on page 4-60.)
Faulty switched power circuit. With the key switch in the run position, measure voltage between the traction
control switch org/wht wire terminals. Voltage must be approximately 12 VDC.
Faulty control module input circuit. Check continuity between control module traction control input terminal J1-9
and traction control switch org wire terminal. Continuity must be indicated.
Faulty traction control switch light. Test switch. (See “Traction Control Switch Test” on page 4-60.)
Faulty control module output circuit. Momentarily place the traction control switch in the on position, check control
module 6-7 enable/tc on output LED. If the LED does not light, substitute the
control module with a known good control module.
Faulty traction control output circuit. Check continuity between control module traction control light output terminal
J2-10 and traction control switch wht/blk wire terminal. Continuity must be
indicated.
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