Can Communication System (For Lhd Without Entry And Start System) Ecm Communication Stop Mode


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (ECM - BATTERY AND BODY GROUND)

CAN COMMUNICATION SYSTEM (for LHD without Entry and Start System) - ECM Communication Stop Mode


DESCRIPTION


Detection Item
Symptom
Trouble Area
ECM Communication Stop Mode
Either condition is met:
  1. "ECM (Engine)" is not displayed on "Bus Check".
  2. "ECM Communication Stop Mode" in "DTC Combination Table" applies.
  1. Power source or inside ECM
  2. ECM

WIRING DIAGRAM


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Networking.Lin Communication System.Can Communication System (For Lhd Without Entry And Start System) Ecm Communication Stop Mode


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Networking.Lin Communication System.Can Communication System (For Lhd Without Entry And Start System) Ecm Communication Stop Mode


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Networking.Lin Communication System.Can Communication System (For Lhd Without Entry And Start System) Ecm Communication Stop Mode


INSPECTION PROCEDURE

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


  1. for 1KD-FTV:



    1. Disconnect the C93, G57 and G58 ECM connectors.


      Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Networking.Lin Communication System.Can Communication System (For Lhd Without Entry And Start System) Ecm Communication Stop Mode


      Text in Illustration
      *a
      		Front view of wire harness connector
      (to ECM)
      		-
      		-

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      C93-1 (E1) - Body ground
      		Always
      		Below 1 Ω
      C93-12 (E01) - Body ground
      		Always
      		Below 1 Ω
      C93-13 (E02) - Body ground
      		Always
      		Below 1 Ω
      C93-8 (ME01) - Body ground
      		Always
      		Below 1 Ω
      G57-11 (EC) - Body ground
      		Always
      		Below 1 Ω

    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage:
      Tester Connection
      		Condition
      		Specified Condition
      G57-23 (BATT) - Body ground
      		Always
      		11 to 14 V
      G57-17 (+B2) - Body ground
      		Battery positive (+) voltage applied to terminal G58-11 (MREL)
      		11 to 14 V
      G57-24 (+B) - Body ground
      		Battery positive (+) voltage applied to terminal G58-11 (MREL)
      		11 to 14 V


  1. for 2TR-FE:



    1. Disconnect the C153, G180 and C181 ECM connectors.


      Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Networking.Lin Communication System.Can Communication System (For Lhd Without Entry And Start System) Ecm Communication Stop Mode


      Text in Illustration
      *a
      		Front view of wire harness connector
      (to ECM)
      		-
      		-

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      C153-3 (E1) - Body ground
      		Always
      		Below 1 Ω
      C153-1 (E01) - Body ground
      		Always
      		Below 1 Ω
      C153-2 (E02) - Body ground
      		Always
      		Below 1 Ω
      C153-4 (ME01) - Body ground
      		Always
      		Below 1 Ω
      G180-18 (EC) - Body ground
      		Always
      		Below 1 Ω

    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage:
      Tester Connection
      		Condition
      		Specified Condition
      G180-3 (BATT) - Body ground
      		Always
      		11 to 14 V
      G180-1 (+B) - Body ground
      		Battery positive (+) voltage applied to terminal G181-6 (MREL)
      		11 to 14 V
      G180-2 (+B2) - Body ground
      		Battery positive (+) voltage applied to terminal G181-6 (MREL)
      		11 to 14 V


  1. for 5L-E:



    1. Disconnect the C161 and C183 ECM connectors.


      Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Networking.Lin Communication System.Can Communication System (For Lhd Without Entry And Start System) Ecm Communication Stop Mode


      Text in Illustration
      *a
      		Front view of wire harness connector
      (to ECM)
      		-
      		-

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

      Standard Resistance:
      Tester Connection
      		Condition
      		Specified Condition
      C161-5 (E1) - Body ground
      		Always
      		Below 1 Ω
      C161-7 (E01) - Body ground
      		Always
      		Below 1 Ω
      C161-6 (E02) - Body ground
      		Always
      		Below 1 Ω
      G183-7 (EC) - Body ground
      		Always
      		Below 1 Ω

    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage:
      Tester Connection
      		Condition
      		Specified Condition
      G183-2 (BATT) - Body ground
      		Always
      		11 to 14 V
      G183-1 (+B) - Body ground
      		Battery positive (+) voltage applied to terminal G183-10 (MREL)
      		11 to 14 V
Result
Result
Proceed to
OK (for 1KD-FTV)
A
OK (for 2TR-FE)
B
OK (for 5L-E)
C
NG
D


B
REPLACE ECM (LandCruiser RM000000VW203EX.html)

C
REPLACE ECM (LandCruiser RM000000VW203FX.html)

D
REPAIR OR REPLACE HARNESS OR CONNECTOR
A

REPLACE ECM (LandCruiser RM0000013Z002CX.html)