7-26
FUEL INJECTION SYSTEM
FI
Fault code No. Er-4 Symptom Non-registered data has been received from the meter.
Used diagnostic code No. – –
Inspection operation item and probable
cause
Operation item and countermeasure Reinstatement
method
Open or short circuit in wiring harness and/or
sub lead.
Repair or replace if there is an open or short
circuit.
Between sensor coupler and ECU coupler
Yellow/Blue - Yellow/Blue
Black/White - Black/White
Reinstated by
turning the main
switch ON.
Connected condition of connector
Inspect 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 it
securely.
Cylinder identification sensor coupler
Main wiring harness ECU coupler
Sub-wire harness coupler
Malfunction in meter Replace the meter.
Malfunction in ECU Replace the ECU.
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