Dtc B2036 Power Supply Relay Malfunction Open


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (SEAT BELT CONTROL ECU - BATTERY AND BODY GROUND)

DTC B2036 Power Supply Relay Malfunction Open


DESCRIPTION

This DTC is stored during the seat belt control ECU self-diagnosis or when power is not supplied to the seat belt control ECU.

DTC Code
DTC Detection Condition
Trouble Area
B2036
An open in the power supply circuit.
  1. Harness or connector
  2. Seat belt control ECU

WIRING DIAGRAM


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Pre-Crash Safety.Pre-Crash Safety System. Dtc B2036 Power Supply Relay Malfunction Open


INSPECTION PROCEDURE

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


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Pre-Crash Safety.Pre-Crash Safety System. Dtc B2036 Power Supply Relay Malfunction Open

  1. Disconnect the G118 ECU connector.

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

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Condition
    G118-7 (+B) - Body ground
    		Always
    		11 to 14 V

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    G118-8 (PGND) - Body ground
    		Always
    		Below 1 Ω
Text in Illustration
*a
Front view of wire harness connector
(to Seat Belt Control ECU)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE SEAT BELT CONTROL ECU (LandCruiser RM000003UX700KX.html)