Yamaha FJR1300R Service Manual page 483

Symptom Sidestand switch does not function (the engine does not stop when the stand is extended).
Probable mal- • Short circuit in the input line to ECU
function area • Malfunction in the starter circuit cut-off relay
Inspection method 1
Inspection by diagnosis mode
• Execute diagnostic code 21
Enable the meter to display the ON/OFF states
of the sidestand switch (in gear other than neu-
tral).
* To distinguish whether the problem is in the
switch or in other areas.
Symptom Engine trouble warning light blinks while the start switch is being pressed (to warn that the engine
is unable to start).
Probable mal- • Malfunction in Fuel injection system relay
function area • Open circuit in wiring harness
• Disconnected battery
• Defective crankshaft position sensor
• Defective sidestand switch
• Tripped lean angle cut-off switch
• Open circuit in ignition coil primary line
• ECU memory check error
Inspection method 1
Inspection by diagnosis mode
• Execute diagnostic code 50
To trip the Fuel injection system relay.
• Execute diagnostic code 09
To check the monitor voltage.
* To distinguish whether the problem is in the
relay or in other areas.
FUEL INJECTION SYSTEM
Inspection method 2
Inspection of a malfunction that cannot be identified in the
diagnosis mode, and in case the area of the malfunction has
been narrowed down in the inspection method 1 given on the
left.
• Meter does not display ON/OFF.
Inspect the wiring harness and couplers for continuity.
Defective: repair or replace
Inspect the sidestand switch.
Refer to "CHECKING THE SWITCHES" in chapter 8.
Defective: replace
Inspection method 2
Inspection of a malfunction that cannot be identified in the
diagnosis mode, and in case the area of the malfunction has
been narrowed down in the inspection method 1.
• Fuel injection system relay does not trip.
Inspect the coil side of the fuel injection system relay.
Refer to "FUEL INJECTION SYSTEM" in chapter 8.
Defective: replace
Inspect the wiring harness and couplers for continuity.
Defective: repair or replace
• Normal voltage is not displayed.
Inspect the contact side of the fuel injection system relay.
Refer to "FUEL INJECTION SYSTEM" in chapter 8.
Defective: replace
Inspect the wiring harness and couplers for continuity.
Defective: repair or replace
• If a self-diagnostic code is displayed:
Inspect the battery.
Defective: replace or recharge
Inspect and repair the applicable area of the malfunction.
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FI