Yamaha FJR13AG Service Manual page 766

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
EAS20255
SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE (SCU)
(FJR13ESG)
EAS30963
SELF-DIAGNOSTIC FUNCTION TABLE
TIP
For details of the fault code, refer to "TROUBLESHOOTING METHOD (SCU)" on page 8-229.
Fault code
Item
No.
C1002 EEPROM fault code
number: an error is
detected while read-
ing from or writing on
EEPROM.
C1003 Stepping motor: open
or short circuit detect-
ed.
C1004 Preload adjusting mo-
tor (rear shock ab-
sorber assembly DC
motor) is locked, rota-
ry encoder signal is
not received, encoder
signal is reversed, or
motor rotates continu-
ously at a low speed
during the diagnostic
mode (code No. 84
[preload home posi-
tion adjustment]).
Probable cause of
malfunction
• Preload number ab- The following adjust-
normal data writing ments cannot be per-
error. formed:
• Preload current po- • Damping force ad-
sition abnormal data
writing error. • Damping force fine
• Damping force
mode number ab- • Preload adjustment
normal data writing
error.
• Damping force fine
adjustment level ab-
normal data writing
error.
• Malfunction in SCU.
• Defective connec- The following adjust-
tion of stepping mo- ments cannot be per-
tor and SCU formed:
couplers. • Damping force ad-
• Defective connec-
tion of sub-wire har- • Damping force fine
ness coupler.
• Short circuit in wire • Preload adjustment
harness or wire har-
ness continuity.
• Defective stepping
motor.
• Malfunction in SCU.
• Operation of internal The following adjust-
circuit breaker in DC ments cannot be per-
motor. formed:
• Defective connec- • Damping force ad-
tion of DC motor
coupler. • Damping force fine
• Defective connec-
tion of wire harness • Preload adjustment
coupler.
• Short circuit in wire
harness or wire har-
ness continuity.
• Incorrect connec-
tion of wire harness.
• Defective DC motor
(including a defec-
tive rotary encoder).
• Malfunction in SCU.
• Defective rear shock
absorber assembly.
9-21
(SCU) (FJR13ESG)
Fail-safe system op-
Vehicle symptom
justment
adjustment
justment
adjustment
justment
adjustment
eration
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