Engine General Information and Diagnosis: 1A-43
DTC Troubleshooting
NOTE:
• Before performed trouble shooting, be sure to read the “Precautions of ECM Circuit Inspection: ”.
• When measuring circuit voltage, resistance and/or pulse signal at ECM connector, connect the
special tool to ECM and/or the ECM connectors referring to “Inspection of ECM and Its Circuits: ”.
• Upon completion of inspection and repair work, perform “DTC Confirmation Procedure” and
confirm that the trouble has been corrected.
Step
Action
Yes
No
1
Was “Engine and Emission Control System Check”
performed?
Go to Step 2.
Go to “Engine and
Emission Control
System Check: ”.
2
Oil control valve electrical circuit check
1) Disconnect connectors from ECM with ignition switch
turned OFF.
2) Check for proper connection at “C37-60” and “C37-59”
terminals of ECM connector.
3) If OK, measure resistance between “C37-60” and “C37-
59” terminals of ECM connector.
Is resistance below 10
:
?
Go to Step 3.
Go to Step 8.
3
Oil control valve electrical circuit check
Was resistance more than 6.5
:
in Step 2?
Go to Step 4.
Go to Step 7.
4
Oil control valve electrical circuit for power short check
1) Turn ON ignition switch.
2) Measure voltage between “C37-60” terminal of ECM
connector and engine ground.
Is voltage below 1 V?
Go to Step 5.
“RED”, “YEL/RED”,
“YEL” or “YEL/GRN”
wire is shorted to power
supply circuit.
5
Oil control valve electrical circuit for ground short
check
1) Disconnect connector from oil control valve with ignition
switch turned OFF.
2) Measure resistance between “C37-60” terminal of ECM
connector and engine ground.
Is resistance infinity?
Go to Step 6.
“YEL/RED” wire is
shorted to ground
circuit.
6
Oil control valve electrical circuit for ground short
check
1) Measure resistance between “C37-59” terminal of ECM
connector and engine ground.
Is resistance infinity?
Go to Step 9.
“YEL/GRN” wire is
shorted to ground
circuit.
7
Oil control valve electrical circuit for short check
1) Disconnect connector from oil control valve with ignition
switch turned OFF.
2) Measure resistance between “C37-60” and “C37-59”
terminals of ECM connector.
Is resistance infinity?
Go to Step 9.
“YEL/RED” wire is
shorted to “YEL/GRN”
wire.
Содержание SWIFT RS415 2017
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