From P. 2-42
Check the indicator light
(P. 15-9, 16-36).
Is it normal?
YES
Check the main wire harness.
Is it normal?
YES
Replace the ECM with a new one and
recheck.
2-43
NO
NO
80
Replace the indicator light
(P. 15-4, 16-18).
Replace the main wire harness.