Table of Contents
Fault code No.
Er-1 Symptom No signals are received from the ECU.
Diagnostic code No.
Item/components and probable
Order
Connected state of connector
• Main wire harness ECU coupler
• Main wire harness meter coupler
1
• Sub-wire harness coupler
Open or short circuit in wire harness
and/or sub lead
2
3
Malfunction in meter unit
4
Malfunction in ECU
Fault code No.
Er-2 Symptom
Diagnostic code No.
Item/components and probable
Order
Connected state of connector
• Main wire harness ECU coupler
• Main wire harness meter coupler
1
• Sub-wire harness coupler
Open or short circuit in wire harness
and/or sub lead
2
3
Malfunction in meter unit
4
Malfunction in ECU
—
—
cause
No signals are received from the ECU within the speci-
fied duration.
—
—
cause
FUEL INJECTION SYSTEM
Check or maintenance job
• 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 it securely.
• Repair or replace if there is an
open or short circuit.
• Between meter coupler and
ECU coupler
(Yellow/Blue–Yellow/Blue)
(Black/White–Black/White)
Replace the meter unit.
Replace the ECU.
Check or maintenance job
• 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 it securely.
• Repair or replace if there is an
open or short circuit.
• Between meter coupler and
ECU coupler
(Yellow/Blue–Yellow/Blue)
(Black/White–Black/White)
Replace the meter unit.
Replace the ECU.
8-55
Reinstate-
ment method
Reinstated
automatically
when it
receives a nor-
mal signal.
Reinstate-
ment method
Reinstated
automatically
when it
receives a nor-
mal signal.
Chapters
Table of Contents
Troubleshooting
