1A-55 Engine General Information and Diagnosis:
Step Action Yes No
1 8) Disconnect the ECM coupler. Refer to “ECM Removal
and Installation in Section 1C (Page 1C-1)”.
9) Check there is no continuity between the Dg wire “A”
and ground, B/Br wire “B” and ground, Dg wire “A” and
B/Br wire “B”.
Special tool
(A): 09900–25008 (Multi circuit tester set)
Tester knob indication
Continuity ( )
Is there no continuity?
Go to Step 2. Short circuit in the Dg
wire or B/Br wire.
(A)
“A”
“B”
I944H1110129-01
(A)
“A”
“B”
I944H1110130-01
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