Diesel Data: Automotive Repair

Tachometer Malfunction

Tachometer Malfunction

DESCRIPTION

The meter CPU receives engine revolution signals from the ECM via the CAN communication lines. The meter CPU displays engine revolution data that is calculated based on the data received from the ECM.

Wiring Diagram:






Step 1-2:




Step 2 (Continued)-4:




Step 4 (Continued)-5:




INSPECTION PROCEDURE