DTC B2036: Power Supply Relay Malfunction Open [09/2015 - ]: Procedure

1. Disconnect the negative (-) auxiliary battery terminal.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   WARNING:

   Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

2. Disconnect the S45 connector of the seat belt control ECU.
3. Connect the negative (-) auxiliary battery terminal.
4. Measure the voltage according to the value(s) in the table below.

   Standard voltage

   Tester Connection	Condition	Specified Condition
   S45-7 (+B) - Body ground	Always	11 to 14 V

5. Disconnect the negative (-) auxiliary battery terminal.
6. Reconnect the S45 seat belt control ECU connector.
7. Connect the negative (-) auxiliary battery terminal.

Result:  OK

OK 

REPLACE SEAT BELT CONTROL ECU 

(Refer to REMOVAL [09/2015 - ] )

Result:  NG

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR