1A-59 Engine General Information and Diagnosis:
2 5) Check the continuity between the G/B wire and ground.
Also, check the continuity between the G/B wire and B/
Br wire. If the sound is not heard from the tester, the
circuit condition is OK.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity ( )
6) Disconnect the ECM coupler. Refer to “ECM Removal
and Installation in Section 1C (Page 1C-1)”.
7) Check the continuity between the R wire “A” and
terminal 11. Also, check the continuity between the G/B
wire “C” and terminal 9.
Tester knob indication
Continuity ( )
ECM coupler (Harness side)
Is the continuity OK?
Go to Step 3. R and G/B wire open,
W/Bl wire shorted to the
ground.
Step Action Yes No
(A)
(B)
I718H1110027-04
?
“9”
“11”
(B)
(A)
“A”
“C”
I718H1110028-03
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