1A-114 Engine General Information and Diagnosis:
P1658 (Use of SDS)
Step Action Yes No
1 9) Also, check the continuity between R wire and terminal
“7”.
Special tool
(A): 09900–25008 (Multi circuit tester set)
(B): 09900–25009 (Needle-point probe set)
Tester knob indication
Continuity ( )
EXCVA lead wire continuity
Continuity ( )
ECM couplers (Harness side)
Is the continuity OK?
Go to Step 2 and go to
Step 4.
R or Y wire open, or Y
wire shorted to ground.
(Black)
(Gray)
?
(A)
(B)
“7”
“14”
I947H1110089-01
Step Action Yes No
1 1) Turn the ignition switch OFF.
2) Remove the left side cowling. Refer to “Exterior Parts
Removal and Installation” in Section 9D (Page 9D-6).
3) Check the EXCVA coupler (1) for loose or poor contacts.
Is the connection OK?
Go to Step 6. Loose or poor contacts
on the EXCVA coupler.
1
I947H1110090-01
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