Meter / Gauge System

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

DTC U0100 - Lost Communication with ECM / PCM "A"

DESCRIPTION

The combination meter assembly communicates with the hybrid vehicle control ECU via the CAN communication lines (CAN No. 1 Bus).





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CONFIRM DTC OUTPUT
(a) Connect the intelligent tester to the DLC3.
(b) Turn the power switch on (READY).
(c) Turn the tester on.
(d) Clear the stored DTCs by selecting the following menu items on the tester: DIAGNOSIS / OBD/MOBD / METER / DTC INFO / CLEAR CODES.
(e) Drive the vehicle at more than 5 km/h (3.1 mph) for at least 60 seconds.
(f) Stop the vehicle.
(g) Check for DTCs Diagnosis System.

Result:





B -- USE SIMULATION METHOD TO CHECK
A -- GO TO CAN COMMUNICATION SYSTEM