Service manual

FUEL INJECTION SYSTEM
Fault
code No.
Item Symptom
Engine
startability
Vehicle
driveability
39 Fuel injector Fuel injector open or short circuit is de-
tected.
Unable Unable
30
41
Lean angle cut-off switch
(latch up detected) (open or
short circuit)
The vehicle has overturned.
Lean angle cut-off switch-open or short
cir-
cuit is detected.
Unable Unable
42 Speed sensor No normal signals are received from the
speed sensor.
Able Able
43 Fuel system voltage (moni-
toring voltage)
Power supply to the
fuel
injector,
fuel
pump
and ignition coil are not normal.
Able Able
44
Error in reading from or writ-
ing on E2PROM
An error is delected while reading from or
writing on E2PROM (CO adjustment
value).
Able Able
46 Vehicle system power sup-
ply (monitoring voltage)
Power supply to Fl system is not normal.
(red
lead)
Able Able
50
ECU internal malfunction
(memory check error)
Faulty ECU
memory.
When
this malfunc-
tion is detected, the code number might
not appear on the engine trouble warning
light or displayed on Fl diagnostic
tool.
Unable Unable
61 ISC (idle
speed
control) valve
unit (open or short circuit)
ISC (idle speed control) valve unit-open or
short circuit detected.
Able Able
_
Start unable warning
Engine trouble warning light
flashes when the start
switch is turned ON.
Relay is not activated even if the crank
signal is input while the start switch is
pushed.
Unable Unable
7-6