Engine General Information and Diagnosis: 1A-102
2 1) Disconnect the ECM coupler. Refer to “ECM Removal
and Installation in Section 1C (Page 1C-1)”.
2) Insert the needle pointed probes to the lead wire coupler.
3) Check there is continuity between the W/B wire “A” and
ECM terminal “17”.
NOTE
Battery voltage can be detected only before
starting the engine.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity ( )
Is there continuity?
Go to Step 3. Open circuit in the W/B
wire.
Step Action Yes No
“A”
(B)
(A)
(B)
“17”
I944H1110153-01
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