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
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)