Malfunction In Ecu Internal Circuit - Yamaha R1 Series 2015 Service Manual

Fault code No.
Item
5 "04" is indicated in diagnostic
mode (code No. 60). EEPROM
data error for adjustment of CO
concentration of cylinder #4.
6 "11" is indicated in diagnostic
mode (code No. 60). EEPROM
data error for ISC (Idle Speed
Control) learning values.
7 Malfunction in ECU.
Fault code No. 45
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Item Probable cause of
malfunction and check
1 Connection of battery leads.
Check the battery lead connec-
tions (e.g. loose bolt).
2 Connection of starter relay cou-
pler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins).
44
EEPROM fault code number: an error is detected while reading or
writing on EEPROM.
Change the CO concentration of
cylinder #4, and rewrite in
EEPROM.
Refer to "ADJUSTING THE
EXHAUST GAS VOLUME" on
page 3-12.
After this adjustment is made,
the memory is not recovered
when the main switch is turned
to "OFF". Replace the ECU.
Refer to "REPLACING THE
ECU (Engine Control Unit)" on
page 8-180.
Turn the main switch to "OFF".
Replace the ECU.
Refer to "REPLACING THE
ECU (Engine Control Unit)" on
page 8-180.
45
Malfunction in ECU internal circuit (power source self cut off does
not work)
Able/Unable to start engine
Able/Unable to drive vehicle
—
—
—
Maintenance job
Improperly connected
nect the battery lead securely or
replace the battery lead.
Improperly connected
nect the coupler securely or
replace the wire harness.
8-91
FUEL INJECTION SYSTEM
Turn the main switch to "ON".
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Repeat item 1. If the same
number is indicated, go to item
7.
Turn the main switch to "ON".
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Repeat item 1. If the same
number is indicated, go to item
7.
Confirmation of service com-
Con- 5 seconds after turning the main
switch from "ON" to "OFF", turn
the switch to "ON" again.
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 2.
Con- 5 seconds after turning the main
switch from "ON" to "OFF", turn
the switch to "ON" again.
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 3.
pletion