Dtc U0100 Lost Communication With Ecm / Pcm A

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Meter Gauge Display. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

INSPECTION PROCEDURE

CHECK FOR DTC

DTC U0100 Lost Communication with ECM / PCM "A"

DTC U0129 Lost Communication with Brake System Control Module

DTC U0130 Lost Communication with VGRS

DTC U0142 Lost Communication with Main Body ECU

DTC U0151 Lost Communication with SRS Airbag ECU

DTC U0163 Last Communication With Navigation ECU

DTC U0182 Lost Communication with AFS ECU

DTC U023A Lost Communication with Front Camera Module

DTC U1104 Lost Communication with Driving Support ECU


DESCRIPTION


DTC Code
DTC Detection Condition
Trouble Area
U0100
  1. IG voltage is 9.5 V to 11.5 V.
  2. No communication with the ECM continues for 2 seconds or more.
  1. ECM
  2. CAN communication system
  3. Combination meter assembly
U0129
  1. IG voltage is 9.5 V to 11.5 V.
  2. No communication with the hydraulic brake booster (skid control ECU) continues for 2 seconds or more.
  1. Hydraulic brake booster (skid control ECU)
  2. CAN communication system
  3. Combination meter assembly
U0130
  1. IG voltage is 9.5 V to 11.5 V.
  2. No communication with the power steering control ECU continues for 3 seconds or more.
  1. Power steering control ECU
  2. CAN communication system
  3. Combination meter assembly
U0142
  1. IG voltage is 9.5 V to 11.5 V.
  2. No communication with the main body ECU (multiplex network body ECU) continues for 3 seconds or more.
  1. Main body ECU (multiplex network body ECU)
  2. CAN communication system
  3. Combination meter assembly
U0151
  1. IG voltage is 9.5 V to 11.5 V.
  2. No communication with the airbag ECU continues for 10 seconds or more.
  1. Airbag ECU
  2. CAN communication system
  3. Combination meter assembly
U0163
  1. IG voltage is 9.5 V to 11.5 V.
  2. No communication with the multi-media module receiver assembly continues for 3 seconds or more.
  1. Multi-media module receiver assembly
  2. CAN communication system
  3. Combination meter assembly
U0182
  1. IG voltage is 9.5 V to 11.5 V.
  2. No communication with the headlight swivel ECU assembly continues for 10 seconds or more.
  1. Headlight swivel ECU assembly
  2. CAN communication system
  3. Combination meter assembly
U023A
  1. IG voltage is 9.5 V to 11.5 V.
  2. No communication with the forward recognition camera continues for 10 seconds or more.
  1. Forward recognition camera
  2. CAN communication system
  3. Combination meter assembly
U1104
  1. IG voltage is 9.5 V to 11.5 V.
  2. No communication with the driving support ECU continues for 10 seconds or more.
  1. Driving support ECU
  2. CAN communication system
  3. Combination meter assembly

INSPECTION PROCEDURE

1.CHECK FOR DTC

  1. Check for DTCs. (Click here).

    Result
    Result
    		Proceed to
    CAN communication system DTC is not output
    		A
    CAN communication system (for LHD with Central Gateway ECU) DTC is output
    		B
    CAN communication system (for LHD without Central Gateway ECU) DTC is output
    		C
    CAN communication system (for RHD with Central gateway ECU) DTC is output
    		D
    CAN communication system (for RHD without Central gateway ECU) DTC is output
    		D

    OK:
    No DTCs are output.


B
GO TO CAN COMMUNICATION SYSTEM (Click here)

C
GO TO CAN COMMUNICATION SYSTEM (Click here)

D
GO TO CAN COMMUNICATION SYSTEM (Click here)

E
GO TO CAN COMMUNICATION SYSTEM (Click here)
A

USE SIMULATION METHOD TO CHECK (Click here)