SEF093X
Component DescriptionNLEC0295The ECM consists of a microcomputer, and connectors for signal
input and output and for power supply. The ECM controls the
engine.
On Board Diagnosis LogicNLEC0296
DTC No. Malfunction is detected when ... Check Items (Possible Cause)
P0605
0605+ECM calculation function is malfunctioning.+ECM
SEF058Y
DTC Confirmation ProcedureNLEC0297NOTE:
If ªDTC Confirmation Procedureº has been previously conducted,
always turn ignition switch ªOFFº and wait at least 9 seconds
before conducting the next test.
With CONSULT-II
1) Turn ignition switch ªONº.
2) Select ªDATA MONITORº mode with CONSULT-II.
3) Start engine.
4) Run engine for at least 1 second at idle speed.
5) If 1st trip DTC is detected, go to ªDiagnostic Procedureº,
EC-359.
With GST
Follow the procedure ªWith CONSULT-IIº above.
DTC P0605 ECMQG18DE
Component Description
EC-358 
SEF093X
Component DescriptionNLEC1596The ECM consists of a microcomputer, and connectors for signal
input and output and for power supply. The ECM controls the
engine.
On Board Diagnosis LogicNLEC1597
DTC No. Malfunction is detected when ... Check Items (Possible Cause)
P0605+ECM calculation function is malfunctioning.+ECM
SEF058Y
DTC Confirmation ProcedureNLEC1598NOTE:
If ªDTC Confirmation Procedureº has been previously conducted,
always turn ignition switch ªOFFº and wait at least 10 seconds
before conducting the next test.
With CONSULT-II
1) Turn ignition switch ªONº.
2) Select ªDATA MONITORº mode with CONSULT-II.
3) Start engine.
4) Run engine for at least 1 second at idle speed.
5) If 1st trip DTC is detected, go to ªDiagnostic Procedureº,
EC-881.
With GST
Follow the procedure ªWith CONSULT-IIº above.
DTC P0605 ECMSR20DE
Component Description
EC-880