Yamaha 2006 RX10GTAXW Service Manual page 148

Fault code No. 22
Used diagnostic code No. 05 (intake temperature sensor)
Order Inspection operation item and probable
cause
1 Connected condition of connector
Inspect the coupler for any pins that
may have pulled out.
Check the locking condition of the
coupler.
2 Open or short circuit in wiring harness
and/or sub lead.
3 Defective intake temperature sensor.
FUEL INJECTION SYSTEM
Symptom Open or short circuit detected from the intake temperature sensor.
Operation item and countermeasure
If there is a malfunction, repair it and connect it
securely.
Intake temperature sensor coupler
Main wiring harness ECU coupler
Sub-wire harness coupler
Repair or replace if there is an open or short circuit.
Between sensor coupler and ECU coupler
Black/Blue – Black/Blue
Green/White – Green/White
Execute the diagnostic mode (Code No.05).
Replace if defective.
1. Remove the intake air temperature sensor from
the air filter case.
2. Connect the pocket tester (Ω × 100) to the intake
air temperature sensor terminal as shown.
Tester positive probe → green/white
Tester negative probe → black/blue
3. Measure the intake air temperature sensor resis-
tance.
WARNING
• Handle the intake air temperature sensor with
special care.
• Never subject the intake air temperature sen-
sor to strong shocks. If the intake air temper-
ature sensor is dropped, replace it.
4. Is the intake air temperature sensor OK?
Intake air temperature sensor
resistance
2.21 ~ 2.69 kΩ at 20°C (68°F)
76
FI
Reinstatement
method
Reinstated by
turning the main
switch ON.