DTC B2001: Short to GND 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. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   P8-1 - Body ground	Always	1 MΩ or higher
   P8-2 - Body ground	Always	1 MΩ or higher

3. 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.
   Fig 2: Identifying Harness & Connector (Front Seat Outer Belt Assembly RH - Seat Belt Control ECU)

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

   Standard resistance

   Tester Connection	Condition	Specified Condition
   P8-1 - Body ground	Always	1 MΩ or higher
   P8-2 - Body ground	Always	1 MΩ or higher
   P8-1 - P8-2	Always	1 MΩ or higher

5. Reconnect the Q58 connector of the seat belt control ECU and P8 connector of the front seat outer belt assembly RH.
6. 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