CHECK INPUT VOLTAGE OF ECM.

1) Turn the ignition switch to OFF.

2) Disconnect the connector from combination meter (i11) and ECM.

3) Turn the ignition switch to ON.

4) Measure the voltage of harness between ECM and chassis ground.

Connector & terminal

(B136) No. 19 (+) — Chassis ground (−):

QUESTION

Is the voltage 4.75 V or more?

Yes No

Repair the short to power supply between ECM and combination meter connector.