Engine General Information and Diagnosis: 1A-37
1 6) Disconnect the ECM coupler. Refer to “ECM Removal
and Installation in Section 1C (Page 1C-2)”.
7) Insert the needle pointed probes to the lead wire coupler.
8) Check the continuity between the G/B wire and terminal
“9”.
If OK, then check the continuity between the B/Br wire
and terminal “29”.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity test ( )
ECM couplers (Harness side)
Is the continuity OK?
Go to Step 3. G/B wire shorted to
VCC, or B/Br wire open.
Step Action Yes No
(Black)
(Gray)
“9”
(A)
(B)
“29”
I823H1110018-04