Parts Connected To The Ecu; Parts Connected To The Abs Ecu; Precautions For Road Test; Cope With The Mil Flashing - Yamaha XSR 900 2022 Service Manual

EAS32864

PARTS CONNECTED TO THE ECU

The following parts are connected to the ECU.
When checking for a power short circuit, the couplers must be disconnected from all of the following
parts beforehand.
• Crankshaft position sensor
• Injector #1
• Injector #2
• Injector #3
• Clutch switch
• Ignition coil #1
• Ignition coil #2
• Ignition coil #3
• Throttle position sensor
• Intake air pressure sensor 1
• Intake air pressure sensor 2
• Coolant temperature sensor
• Gear position sensor
• Shift sensor
• Intake air temperature sensor
EAS32918

PARTS CONNECTED TO THE ABS ECU

The following parts are connected to the hydraulic unit assembly (ABS ECU).
When checking for a power short circuit, the couplers must be disconnected from all of the following
parts beforehand.
• Meter assembly
• IMU (Inertial Measurement Unit)
• ECU (Engine Control Unit)
• Front wheel sensor
• Rear wheel sensor
EAS33137

PRECAUTIONS FOR ROAD TEST

EWA20860
WARNING
When test riding the vehicle, always comply with local traffic regulations.
EAS33283

COPE WITH THE MIL FLASHING

With the vehicle is running, the MIL flashes by the process of the misfire (P0300/P0301/P0302/P0303)
detection procedure but no DTC is sometimes stored. In this case, question the customer about the
conditions when the problem occurred, and do the troubleshooting.
Refer to "P0300, P0301, P0302, P0303" on page 9-149.
SELF-DIAGNOSTIC FUNCTION
• Fuel pump
• O sensor
2
• Hydraulic unit assembly (ABS ECU)
• Throttle servo motor
• Relay unit
• Starter relay
• Purge cut valve solenoid
• Brake light relay
• Radiator fan motor relay
• Meter assembly
• Immobilizer unit
• Headlight control unit
• Handlebar switch (left and right)
• IMU (Inertial Measurement Unit)
• Handlebar switch (left)
• Rear brake light switch
• Tail/brake light
• Brake light relay
9-4