Dtc U0100 Lost Communication With Ecm / Pcm A

Body Electrical. Camry. Acv40 Gsv40
Meter. Camry. Acv40 Gsv40

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CONFIRM DTC OUTPUT

DTC U0100 Lost Communication with ECM / PCM "A"


DESCRIPTION

The combination meter assembly communicates with the ECM via the CAN communication lines (CAN No. 1 Bus).

DTC No.
DTC Detection Conditions
Trouble Areas
U0100
When either of following conditions detected:
  1. Vehicle speed 5 km/h (3.1 mph) or more and IG voltage 10.5 V or more
  2. No communication with ECM continues for 3 seconds or more (No communication to ECM or skid control ECU continues for 60 seconds or more)
  1. CAN communication system
  2. ECM

WIRING DIAGRAM


Camry. Acv40 Gsv40.Meter.Meter / Gauge System. Dtc U0100 Lost Communication With Ecm / Pcm A


INSPECTION PROCEDURE

1.CONFIRM DTC OUTPUT

  1. Connect the intelligent tester to the DLC3.

  1. Turn the ignition switch to the ON position.

  1. Turn the tester on.

  1. Clear the stored DTCs by selecting the following menu items on the tester: Diagnosis / OBD / MOBD / Combination Meter / DTC Info / Clear Codes.

  1. Drive the vehicle at more than 5 km/h (3.1 mph) for at least 60 seconds.

  1. Stop the vehicle.

  1. Check for DTCs (CAMRY_ACV40 RM000000WIB09JX.htmlfor LHD, CAMRY_ACV40 RM000000WIB09KX.html for RHD).

    Result:
    Result
    		Proceed to
    DTC output
    		A (CAMRY_ACV40 RM000000WI608IX.htmlfor LHD, CAMRY_ACV40 RM000000WI608JX.html for RHD)
    DTC not output
    		B


B
USE SIMULATION METHOD TO CHECK
A

GO TO CAN COMMUNICATION SYSTEM