Dtc U010E/A2 Lost Communication With Reductant Control Module


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (UREA PUMP CONTROL ECU - BATTERY AND BODY GROUND)

DTC U010E/A2 Lost Communication with Reductant Control Module


DESCRIPTION


DTC Code
DTC Detection Condition
Trouble Area
U010E/A2
There is no communication from the urea pump control ECU.
  1. Power source or inside of urea pump control ECU
  2. Urea pump control ECU
  1. For vehicle with a urea SCR system.

WIRING DIAGRAM


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Networking.Lin Communication System.
Dtc
  U010E/A2  Lost Communication With Reductant Control Module


INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
1.CHECK HARNESS AND CONNECTOR (UREA PUMP CONTROL ECU - BATTERY AND BODY GROUND)


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Networking.Lin Communication System.
Dtc
  U010E/A2  Lost Communication With Reductant Control Module
  1. Disconnect the urea pump control ECU connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    s4-52 (E01) - Body ground
    Always
    Below 1 Ω
    s4-51 (E02) - Body ground
    Always
    Below 1 Ω
    s4-50 (E03) - Body ground
    Always
    Below 1 Ω
  1. Measure the voltage according to the value(s) in the table below.

    Standard Voltage:
    Tester Connection
    Condition
    Specified Condition
    s4-30 (BATT) - Body ground
    Always
    11 to 14 V
    s4-11 (+BU1) - Body ground
    Battery positive (+) voltage applied to terminal s4-9 (UREL)
    11 to 14 V
    s4-10 (+BU2) - Body ground
    Battery positive (+) voltage applied to terminal s4-9 (UREL)
    11 to 14 V
    s4-19 (+BU3) - Body ground
    Battery positive (+) voltage applied to terminal s4-9 (UREL)
    11 to 14 V
    s4-1 (+BU4) - Body ground
    Battery positive (+) voltage applied to terminal s4-9 (UREL)
    11 to 14 V
    s4-2 (+BU5) - Body ground
    Battery positive (+) voltage applied to terminal s4-9 (UREL)
    11 to 14 V
    s4-18 (IGSW) - Body ground
    Engine switch on (IG)
    11 to 14 V
Text in Illustration
*a
Front view of wire harness connector
(to Urea Pump Control ECU)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE UREA PUMP CONTROL ECU (LandCruiser RM000005UL6000X.html)