- Front seat outer belt assembly RH
- Harness or connector
- Seat belt control ECU
| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VJSP |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - 11/2017] |
| Title: PRE-COLLISION: PRE-COLLISION SYSTEM: B2000; Short to B+ in Seat Belt Motor RH Circuit; 2016 - 2017 MY Sienna [12/2015 - 11/2017] | ||
|
DTC |
B2000 |
Short to B+ in Seat Belt Motor RH Circuit |
DESCRIPTION
The seat belt control ECU receives information from the driving support ECU using CAN communication and tightens the seat belt by operating the motor in the front seat outer belt assembly RH.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B2000 |
Short to B+ in the seat belt motor RH circuit continues for 1 second or more. |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
CAUTION:
The pretensioner is built into the front seat outer belt assembly RH. Be sure to follow the correct inspection procedure, as failure to follow the correct procedure (such as inspection of incorrect connectors) may deploy the pretensioner.
PROCEDURE
|
1. |
INSPECT FRONT SEAT OUTER BELT ASSEMBLY RH |
|
(a) Disconnect the L1 front seat outer belt assembly RH connector. |
|
(b) Turn the ignition switch to ON.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
L1-1 - Body ground |
Ignition switch ON |
Below 1 V |
|
L1-2 - Body ground |
Ignition switch ON |
Below 1 V |
Text in Illustration
|
*1 |
Component without harness connected (Front Seat Outer Belt Assembly RH) |
(d) Reconnect the front seat outer belt assembly RH connector.
| NG |
|
|
|
2. |
CHECK HARNESS AND CONNECTOR (FRONT SEAT OUTER BELT ASSEMBLY RH - SEAT BELT CONTROL ECU) |
|
(a) Disconnect the cable from the negative (-) battery terminal. CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system. |
|
(b) Disconnect the L1 front seat outer belt assembly RH connector.
(c) Disconnect the D84 seat belt control ECU connector.
(d) Connect the cable to the negative (-) battery terminal.
(e) Turn the ignition switch to ON.
(f) Measure the voltage according to the value(s) in the table below.
Standard Voltage :
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
L1-1 - Body ground |
Ignition switch ON |
Below 1 V |
|
L1-2 - Body ground |
Ignition switch ON |
Below 1 V |
Text in Illustration
|
*1 |
Front view of wire harness connector (to Front Seat Outer Belt Assembly RH) |
(g) Disconnect the cable from the negative (-) battery terminal.
(h) Reconnect the seat belt control ECU and front seat outer belt assembly RH connectors.
(i) Connect the cable to the negative (-) battery terminal.
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|