DTC B2000: Short to B+ in Seat Belt Motor RH Circuit: Procedure

1. Disconnect the P8 connector of the front seat outer belt assembly RH.
   Fig 1: Identifying P8 Connector Terminal

   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
   P8-1 - Body ground	Engine switch on (IG)	Below 1 V
   P8-2 - Body ground	Engine switch on (IG)	Below 1 V

4. Reconnect the P8 connector of the front seat outer belt assembly RH.

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 P8 connector of the front seat outer belt assembly RH.
3. Disconnect the Q58 connector of the seat belt control ECU.
4. Connect the negative (-) terminal to the battery.
5. Turn the engine switch to on (IG).
   Fig 2: Identifying Harness & Connector (Front Seat Outer Belt Assembly RH - Seat Belt Control ECU)

   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
   P8-1 - Body ground	Engine switch on (IG)	Below 1 V
   P8-2 - Body ground	Engine switch on (IG)	Below 1 V

7. Disconnect the negative (-) battery terminal.
8. Reconnect the Q58 connector of the seat belt control ECU and P8 connector of the front seat outer belt assembly RH.
9. Connect the negative (-) battery terminal.

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

OK → See step   3