1A-63 Engine General Information and Diagnosis:
2 1) Insert the needle pointed probes to the lead wire coupler.
2) Check the continuity between the B/W wire “A” and
terminal “20”.
Special tool
(A): 09900–25008 (Multi circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity ( )
ECM coupler (Harness side)
Is the continuity?
Go to Step 3. Open circuit in the Br/W
wire.
Step Action Yes No
(A)
“A”
“20”
(B)
I944H1110138-01
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