Vehicle Systems
Specifications
23
CONDITION
PROBABLE FAULT
CORRECTIVE ACTION
1. Buzzer
warning
2. Mast interrupt
light
3. No mast
operation
1. Seat switch open
2. Fift lock / Unload
solenoid defect
3. Wiring defect
4. Controller defect
1. Check seat switch
2. Check Lift lock/Unload Solenoid
3. Check continuity of wire from solenoid-lift lock(2) or
solenoid-unload(2) to controller (ISO3691 VALVE)
4. Check continuity of wire from solenoid-lift lock(1) or
solenoid-unload(1) to controller (IGN)
5. Measure the voltage between controller(IGN) and
controller(ISO3691 VALVE) : 12V is no problem
1. Air cleaner
light
1. Air cleaner switch
short
2. Wiring defect
1. Check air cleaner switch
2. Check continuity of wire from air cleaner switch to air
cleaner lamp
