Yamaha FX10X Service Manual page 598

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Fault code No.

Diagnostic code No. – –

Item/components and probable cause

Wire harness ECU coupler

Speedometer unit sub-lead coupler

Open or short circuit in wire harness

and/or speedometer unit sub-lead.

Malfunction in speedometer unit.

Malfunction in ECU.

FUEL INJECTION SYSTEM

No signals are received from the ECU.

No signals are received from the ECU within the specified signal time.

Data from the ECU cannot be received correctly.

Non-registered data has been received from the meter.

Check or maintenance job

Check the coupler for any pins that may have

Check the locking condition of the coupler.

If there is a malfunction, repair it and connect the

coupler securely.

Repair or replace if there is an open or short cir-

Between speedometer unit coupler and ECU

Blue/Yellow – Blue/Yellow

Replace the speedometer unit.

Replace the ECU.

Reinstatement

switch to "RUN"

and turning the

main switch on.

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