Suzuki Swift Sport 2004 Service & Repair Manual page 101

Step
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?
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?
8 Oil control valve electrical circuit check
1) Disconnect connector from oil control valve with ignition
switch turned OFF.
2) Measure resistance between "C37-60" terminal of ECM
connector and "YEL/RED" wire terminal of oil control
valve connector and between "C37-59" terminal of ECM
connector and "YEL/GRN" wire terminal of oil control
valve connector.
Is resistance below 1
9 Oil control valve check
Check oil control valve referring to "Oil Control Valve
Inspection in Section 1D".
Is resistance within specified value?
Action
Ω
?
Engine General Information and Diagnosis:
Yes
Go to Step 9.
Go to Step 9.
Go to Step 9.
Substitute a known-
good ECM and recheck.
1A-51
No
"YEL/GRN" wire is
shorted to ground
circuit.
"YEL/RED" wire is
shorted to "YEL/GRN"
wire.
"YEL/RED" or "YEL/
GRN" wire circuit is
open or high resistance.
Faulty oil control valve.