Yamaha FJR13AG Service Manual page 718

ELECTRONICALLY ADJUSTABLE SUSPENSION SYSTEM
Fault code No.
Item
3 Wire harness continuity.
4 Malfunction in ECU.
Fault code No. U0155
TIP
After the malfunction is repaired and the preload is adjusted, fault code No. U0155 may not disappear
if the main switch is turned to "ON" within approximately 6 minutes after the rear shock absorber as-
sembly DC motor stops. If this occurs, turn the main switch to "OFF", wait approximately 6 minutes, and
then turn the main switch to "ON".
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Tool display
Procedure
Probable cause of malfunc-
Item
tion and check
1 Connection of meter assembly
couplers.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins).
2 Connection of SCU couplers.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins).
U0100
Signals cannot be transmitted between the SCU and the ECU.
Open or short circuit → Replace
the wire harness.
Between SCU coupler and joint
coupler.
blue/black–blue/black
blue/red–blue/red
Between the joint coupler and
ECU coupler.
blue/black–blue/black
blue/red–blue/red
Replace the ECU.
Refer to "REPLACING THE
ECU (engine control unit)" on
page 8-250.
U0155
Signals cannot be transmitted between the SCU and the multi-func-
tion meter.
Able to start engine
Able to drive vehicle
—
—
—
Maintenance job
Improperly connected → Con-
nect the coupler securely or re-
place the wire harness.
Improperly connected → Con-
nect the coupler securely or re-
place the wire harness.
8-241
(FJR13ESG)
Turn the main switch to "ON",
and then check the condition of
the fault code using the mal-
function mode of the Yamaha
diagnostic tool.
Condition is "Recovered" →
Service is finished.
Condition is "Detected" → Go to
item 4.
—
Confirmation of service com-
pletion
Turn the main switch to "ON",
and then check the condition of
the fault code using the mal-
function mode of the Yamaha
diagnostic tool.
Condition is "Recovered" →
Service is finished.
Condition is "Detected" → Go to
item 2.
Turn the main switch to "ON",
and then check the condition of
the fault code using the mal-
function mode of the Yamaha
diagnostic tool.
Condition is "Recovered" →
Service is finished.
Condition is "Detected" → Go to
item 3.