Dtc U0100 Lost Communication With Ecm / Pcm A

Body Electrical. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
Meter. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CONFIRM DTC OUTPUT

DTC U0100 Lost Communication with ECM / PCM "A"


DESCRIPTION

The combination meter assembly and the ECM exchange signals through the CAN communication system.

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


Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.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 on (IG) and turn the tester ON.

  1. Clear the stored DTCs by selecting the following menu items on the tester: Body / Combination Meter / DTC / Clear.

  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.

    Result
    Result
    		Proceed to
    DTC output
    		A
    DTC not output
    		B


B
SYSTEM IS OK
A

GO TO CAN COMMUNICATION SYSTEM