Service manual

FUEL INJECTION SYSTEM
8-71
Fault code No. Er-1 Symptom No signals are received from the ECU.
Diagnostic code No. — —
Order
Item/components and probable
cause
Check or maintenance job
Reinstatement
method
1
Connections
• Main wire harness ECU coupler
• Main wire harness meter assembly
coupler
• Sub-wire harness coupler
• Check the couplers for any pins
that may be pulled out.
• Check the locking condition of
the couplers.
• If there is a malfunction, repair it
and connect the coupler
securely.
Turning the
main switch to
“ON”.
2
Open or short circuit in wire harness. • Repair or replace if there is an
open or short circuit.
• Between meter assembly cou-
pler and ECU coupler.
(Yellow/Blue–Yellow/Blue)
3 Malfunction in meter assembly. Replace the meter assembly.
4 Malfunction in ECU. Replace the ECU.
Fault code No. Er-2 Symptom
No signals are received from the ECU within the specified
duration.
Diagnostic code No. — —
Order
Item/components and probable
cause
Check or maintenance job
Reinstatement
method
1
Connections
• Main wire harness ECU coupler
• Main wire harness meter assembly
coupler
• Sub-wire harness coupler
• Check the couplers for any pins
that may be pulled out.
• Check the locking condition of
the couplers.
• If there is a malfunction, repair it
and connect the coupler
securely.
Turning the
main switch to
“ON”.
2
Open or short circuit in wire harness. • Repair or replace if there is an
open or short circuit.
• Between meter assembly cou-
pler and ECU coupler.
(Yellow/Blue–Yellow/Blue)
3 Malfunction in meter assembly. Replace the meter assembly.
4 Malfunction in ECU. Replace the ECU.