70
FI
FUEL INJECTION SYSTEM
Fault code No.
Er-1
Symptom
No signals are received from the ECU.
Er-2
Symptom
No signals are received from the ECU within the specified signal time.
Er-3
Symptom
Data from the ECU cannot be received correctly.
Er-4
Symptom
Non-registered data has been received from the meter.
Diagnostic code No. – –
Order
Item/components and probable cause
Check or maintenance job
Reinstatement
method
1
Connections
• Wire harness ECU coupler
• Sub-wire harness 2 coupler
Check the coupler for any pins that may have
pulled out.
Check the locking condition of the coupler.
If there is a malfunction, repair it and connect the
coupler securely.
Setting the
engine stop
switch to “RUN”
and turning the
main switch on.
2
Open or short circuit in wire harness
and/or sub-wire harness 2.
Repair or replace if there is an open or short cir-
cuit.
Between speedometer unit coupler and ECU
coupler.
Blue/Yellow – Blue/Yellow
3
Malfunction in speedometer unit.
Replace the speedometer unit.
4
Malfunction in ECU.
Replace the ECU.
Содержание RST90GTY
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