FUEL INJECTION SYSTEM
8-74
Fault code No. 44
Item
EEPROM fault code number: an error is detected while reading
or writing on EEPROM.
Fail-safe system
Able/Unable to start engine
Able/Unable to drive vehicle
Diagnostic code No. 60
Meter display
EEPROM fault code display
• 00 (no history)
• 01–04: Cylinder fault code number (history exists)
If more than one cylinder is defective, the display switches every
two seconds to show the cylinder fault code numbers of all defec-
tive cylinders in a repeating cycle.
• 17: Data error for ISC (idle speed control) learning values (histo-
ry exists)
Procedure —
Item
Probable cause of mal-
function and check
Maintenance job
Confirmation of service
completion
1 Locate the malfunction. Execute the diagnostic
mode. (Code No. 60)
00: Go to item 7.
01: Go to item 2.
02: Go to item 3.
03: Go to item 4.
04: Go to item 5.
17: Go to item 6.
—
2 “01” is indicated in diagnostic
mode (code No. 60). EEP-
ROM data error for adjust-
ment of CO concentration of
cylinder #1.
Change the CO concentra-
tion of cylinder #1, and re-
write in EEPROM.
Refer to “ADJUSTING THE
EXHAUST GAS VOLUME”
on page 3-10.
After this adjustment is
made, the memory is not re-
covered when the main
switch is turned to “OFF”. →
Replace the ECU.
Refer to “REPLACING THE
ECU (engine control unit)” on
page 8-174.
Turn the main switch to “ON”.
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Repeat item 1. If
the same number is indicat-
ed, go to item 7.
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