Operation Manual

FUEL INJECTION SYSTEM
8-61
5 Fuel injection system relay
malfunction
Check in the diagnostic mode
(Code No. d:09)
Fuel-related voltage: 3 V or
less → Replace the fuel injec-
tion system relay.
Start and idle the engine for
approximately 5 seconds.
Then, check the fault code
indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
6 ECU malfunction Replace the ECU.
Fault code No. 44
Item
Error is detected while reading or writing on EEPROM (CO adjust-
ment value).
Fail-safe system
Under certain conditions
Under certain conditions
Diagnostic code No. d:60
Meter display
EEPROM fault code display
• 00 (no history)
• 01 or 02: Cylinder fault code number (history exists)
If both cylinders are defective, the display alternates every two
seconds.
Procedure —
Item/components and
probable cause
Check or maintenance job
Sensor inspection proce-
dure
1 Locate the malfunction. Check in the diagnostic mode
(Code No. d:60)
00 indication: Check number
4.
01 indication: Check number
2.
02 indication: Check number
3.
—
Fault code No. 43
Item
Fuel system voltage: incorrect voltage supplied to the fuel injector
and fuel pump.
Fail-safe system
Able to start engine
Able to drive vehicle
Diagnostic code No. d:09, d:50
d:09
Meter display
Fuel system voltage (battery voltage)
Approximately 12.0
Procedure
Set the engine stop switch to “ ”, and then compare the actually
measured battery voltage with the meter display value. (If the actu-
ally measured battery voltage is low, recharge the battery.)
d:50
Actuation
Actuates the fuel injection system relay five times at one-second
intervals.
Illuminates the engine trouble warning light.
Procedure
Check that the fuel injection system relay is actuated five times by
listening for the operating sound.
Item/components and
probable cause
Check or maintenance job
Sensor inspection proce-
dure