FUEL INJECTION SYSTEM
7-30
Communication error with the meter
42
Speed sensor
No normal signals are received
from the speed sensor.
Able Able
Neutral switch
Open or short circuit is detected in
the neutral switch.
43
Fuel system voltage
(monitoring voltage)
The ECU is unable to monitor the
battery voltage
(an open or short circuit in the line
to the ECU).
Able Able
44
Error in writing the
amount of CO
adjustment on
EEPROM
Error is detected while reading or
writing on EEPROM (CO
adjustment value).
Able Able
46
Vehicle system power
supply
(Monitoring voltage)
Power supply to the fuel injection
system is not normal.
Able Able
50
ECU internal
malfunction
(memory check error)
Faulty ECU memory. (When this
malfunction is detected in the
ECU, the fault code number might
not appear on the meter.)
Unable Unable
62
Muffler cooling fan
temperature sensor
(open or short circuit)
Muffler cooling fan temperature
sensor: open or short circuit
detected.
Able Able
63
Muffler cooling fan
temperature sensor
(ambient temperature
abnormally high)
Engine trouble warning light is
flashing. (Abnormally high
temperature is detected by muffler
cooling fan temperature sensor.)
Able Able
Fault
code No.
Item Symptom
Able / un-
able to start
Able / un-
able to
drive
Er-1
ECU internal
malfunction
(output signal error)
No signals are received from the
ECU.
Unable Unable
Er-2
ECU internal
malfunction
(output signal error)
No signals are received from the
ECU within the specified duration.
Unable Unable
Er-3
ECU internal
malfunction
(output signal error)
Data from the ECU cannot be
received correctly.
Unable Unable
Er-4
ECU internal
malfunction
(input signal error)
Non-registered data has been
received from the meter.
Unable Unable
Fault
code No.
Item Symptom
Able / un-
able to start
Able / un-
able to
drive