Apr. 2007
7
-15
DSC48
2.5.5 LOAD ALARM
Symptom Cause Action
The front buzzer does not
sound.
• Faulty input signal from the electronic pick-up
sensor
• Faulty input signal from the vehicle speed sensor
• Faulty input signal from the reverse switch (ground)
• Faulty input signal from the neutral switch (ground)
• Faulty input signal from the straw sensor
• Faulty input signal from the threshing unit switch
• If the check lamp does not operate correctly when
turning the ignition switch to the "ON" position
- The MICOM unit is not supplied with power.
Or faulty ground of the MICOM unit
• Power is not supplied to the front buzzer.
• Faulty front buzzer
• Input signal wire
• Input signal wire
• Input signal wire
• Input signal wire
• Input signal wire
• Input signal wire
• Power to MICOM unit
• Ground of MICOM unit
• Power
• Replace
The load lamp does not
come on nor blink.
• Faulty input signal sent to the MICOM unit from the
electronic pick-up sensor
• Input signal wire
2.5.6 CHARGE LAMP
Symptom Cause Action
The charge lamp does not
come on after stopping the
engine.
• Faulty wire (wire between the ignition switch and
charge lamp or the charge lamp and alternator)
• Faulty alternator
• Blown lamp bulb
• Faulty wire (wire between the ignition switch and
alternator)
• Repair
• Replace
• Replace
• Repair
The charge lamp stays on
after the engine starts.
• Faulty alternator • Replace
2.5.7 OIL SWITCH
Symptom Cause Action
The charge lamp does not
come on after stopping the
engine.
• Blown lamp bulb
• Faulty oil switch
• Faulty wire (wire between the ignition switch and oil
lamp or the oil switch and oil lamp)
• Replace
• Replace
• Repair
The oil lamp stays on after
the engine is started.
• Low engine oil pressure
• Insuffi cient engine oil
• Faulty oil switch
• Faulty wire (the wire between the oil lamp and oil
switch is grounded to the vehicle's body)
• Change oil
• Replenish
• Replace
• Repair