DTC B2005: Short to B+ in Seat Belt Motor LH Circuit: Procedure

1. Disconnect the Q13 connector of the front seat outer belt assembly LH.
   Fig 1: Identifying Q13 Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Turn the engine switch to on (IG).
3. Measure the voltage according to the value(s) in the table below.

   Standard voltage

   Tester Connection	Condition	Specified Condition
   Q13-1 - Body ground	Engine switch on (IG)	Below 1 V
   Q13-2 - Body ground	Engine switch on (IG)	Below 1 V

4. Reconnect the Q13 connector of the front seat outer belt assembly LH.

NG → See step   4 

OK: Go to next step 

1. Disconnect the negative (-) battery terminal.
   WARNING:

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

2. Disconnect the Q13 connector of the front seat outer belt assembly LH.
3. Disconnect the Q58 connector of the seat belt control ECU.
4. Connect the negative (-) battery terminal.
5. Turn the engine switch to on (IG).
   Fig 2: Identifying Seat Belt Control ECU Q38 Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Measure the voltage according to the value(s) in the table below.

   Standard voltage

   Tester Connection	Condition	Specified Condition
   Q13-1 - Body ground	Engine switch on (IG)	Below 1 V
   Q13-2 - Body ground	Engine switch on (IG)	Below 1 V

7. Disconnect the negative (-) battery terminal.
8. Reconnect the Q13 connector of the front seat outer belt assembly LH and Q58 connector of the seat belt control ECU.
9. Connect the negative (-) battery terminal.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (FRONT SEAT OUTER BELT ASSEMBLY LH - SEAT BELT CONTROL ECU) 

OK → See step   3