Measure the resistance between ECM and combination meter connector.
Connector & terminal
(B136) No. 19 — (i11) No. 1:
Is the resistance less than 10 Ω?
Repair or replace the combination meter.
Repair the harness and connector.
NOTE:
In this case, repair the following item:
• Open circuit between ECM and combination meter connector
• Poor contact of coupling connector