Meter / Gauge System

METER: METER / GAUGE SYSTEM: U0100: Lost Communication with ECM / PCM "A"
U0100 - Lost Communication with ECM / PCM "A"

DESCRIPTION

The No. 1 meter ECU communicates with the ECM via the CAN line.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOR DTC

(a) Check for DTCs and note any codes that are output Reading and Clearing Diagnostic Trouble Codes.

(b) Check the DTC Reading and Clearing Diagnostic Trouble Codes.

(c) Recheck for DTC Reading and Clearing Diagnostic Trouble Codes.

Result





HINT
If the CAN communication system DTC U0100 and another DTC are output at the same time, perform troubleshooting for the CAN communication system DTC U0100 first.

B -- Go to CAN COMMUNICATION SYSTEM CAN Communication System

A -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting