Meter / Gauge System

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

DESCRIPTION

The combination meter assembly communicates with the hybrid vehicle control ECU via the CAN communication lines (V1 Bus).





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CONFIRM DTC OUTPUT

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON (READY).

(c) Turn the Techstream on.

(d) Clear the stored DTCs by selecting the following menu items on the tester: Body Electrical / Trouble 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.

w/ Smart Key System: Diagnosis System

w/o Smart Key System: Diagnosis System

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.

C -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting

B -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting

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