OPERATOR'S MANUAL MAINTENANCE

Section C - Electrics
Basic System Operation
Coolant Level Warning
C-83 C-83
9803/9880-3
Coolant Level Warning
Operation
C005680GB-2
Fig 77.
A float switch is fitted to the engine coolant reservoir. When
the reservoir is empty the float switch ECU1 i/p 37 (A-2) is
connected to ground. This causes the EMS to alarm. The
buzzer sounds for 1.5 seconds, a "COOLANT LOW"
message is displayed on the EMS and flashing low coolant
level LED illuminates for 5 seconds. This is followed by a
repetitive message and constant LED on.