Yamaha 2002 FJR1300 Supplementary Service Manual page 35

Code No. 19
Used diagnostic code No. 20 (sidestand switch)
Inspection operation item and probable cause Operation item and countermeasure
Defective sidestand switch
Open or short circuit in wiring harness or sub
lead.
Connected state of connector
Inspect the coupler for any pins that may
have pulled out.
Check the locking condition of the coupler.
Code No. 21
Used diagnostic code No. 06 (coolant temperature sensor)
Inspection operation item and probable cause Operation item and countermeasure
Installed state of sensor
Defective coolant temperature sensor.
Open or short circuit in wiring harness or sub
lead.
Connected state of connector
Inspect the coupler for any pins that may
have pulled out.
Check the locking condition of the coupler.
Code No. 22
Used diagnostic code No. 05 (intake temperature sensor)
Inspection operation item and probable cause Operation item and countermeasure
Installed state of sensor
Defective intake temperature sensor.
Open or short circuit in wiring harness or sub
lead.
Connected state of connector
Inspect the coupler for any pins that may
have pulled out.
Check the locking condition of the coupler.
FUEL INJECTION SYSTEM
Symptom Open circuit is detected in the input line from the sidestand switch to the
ECU.
Replace if defective.
Refer to "CHECKING THE SWITCHES" in
chapter 8. (Manual No.: 5JW1-AE1)
Repair or replace if there is an open or short
circuit.
(Between ECU and sidestand)
If there is a malfunction, repair it and connect it
securely.
Main wiring harness ECU coupler
(No. 43 pin, black)
Symptom Open or short circuit is detected from the coolant temperature sensor.
Check the installed area for looseness or
pinching.
Replace if defective.
Refer to "FUEL INJECTION SYSTEM" in
chapter 8. (Manual No.: 5JW1-AE1)
Repair or replace if there is an open or short
circuit.
Main wiring harness
Black/Blue - Black/Blue
Green/White - Green/White
If there is a malfunction, repair it and connect it
securely.
Coolant temperature sensor coupler
Main wiring harness ECU coupler
Symptom Open or short circuit detected from the intake temperature sensor.
Check the installed area for looseness or
pinching.
Replace if defective.
Refer to "FUEL INJECTION SYSTEM" in
chapter 8. (Manual No.: 5JW1-AE1)
Repair or replace if there is an open or short
circuit.
Main wiring harness
Black/Blue - Black/Blue
Brown/White - Brown/White
If there is a malfunction, repair it and connect it
securely.
Intake temperature sensor coupler
Main wiring harness ECU coupler
– 27 –
FI
Reinstatement
method
If the transmission
is in gear, it is rein-
stated by retracting
the sidestand.
If the transmission
is in neutral, it is
reinstated by
reconnecting the
wiring.
Reinstatement
method
Reinstated by turn-
ing the main switch
ON.
Reinstatement
method
Reinstated by turn-
ing the main switch
ON.