- The center airbag sensor receives a line short circuit signal, an open circuit signal, a short circuit to ground signal or a short circuit to B+ signal in the seat belt buckle switch LH circuit for 2 seconds.
- Front seat inner belt LH malfunction
- Center airbag sensor malfunction
| Last Modified: 11-29-2007 | 1.6 C | |
| Service Category: Vehicle Interior | Section: Supplemental Restraint Systems | |
| Model Year: 2008 | Model: Sequoia | Doc ID: RM000002P5G00DX |
| Title: SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: DESCRIPTION (2008 Sequoia) | ||
|
DTC |
B1655/37 |
Driver Side Seat Belt Buckle Switch Circuit Malfunction |
DESCRIPTION
The seat belt buckle switch LH circuit consists of the center airbag sensor and the front seat inner belt LH.
DTC B1655/37 is stored when a malfunction is detected in the seat belt buckle switch LH circuit.
|
DTC Code |
Detection Condition |
Trouble Area |
|---|---|---|
|
B1655/37 |
When one of following conditions is met: |
|
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
CHECK CONNECTION OF CONNECTORS |
(a) Turn the ignition switch off.
(b) Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
(c) Check that the connectors are properly connected to the center airbag sensor and front seat inner belt LH.
OK:
The connectors are properly connected.
|
|
2. |
CHECK CONNECTORS |
(a) Disconnect the connectors from the center airbag sensor and the front seat inner belt LH.
(b) Check that the connectors (on the center airbag sensor side and front seat inner belt LH side) are not damaged
.
OK:
The connectors are not deformed or damaged.
|
|
3. |
CHECK FLOOR WIRE (CENTER AIRBAG SENSOR - FRONT SEAT INNER BELT LH) |
(a) Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
(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 |
|---|---|---|
|
O4-1 (LBE+) - Body ground |
Ignition switch ON |
Below 1 V |
|
O4-3 (LBE-) - Body ground |
Ignition switch ON |
Below 1 V |
(d) Turn the ignition switch off.
(e) Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
(f) Using a service wire, connect terminals 11 (DBE+) and 12 (DBE-) of connector B.
NOTICE:
Do not forcibly insert a service wire into the terminals of the connector when connecting the wire.
(g) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
O4-1 (LBE+) - O4-3 (LBE-) |
Always |
Below 1 Ω |
(h) Disconnect the service wire from connector B.
(i) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
O4-1 (LBE+) - O4-3 (LBE-) |
Always |
1 MΩ or higher |
|
O4-1(LBE+) - Body ground |
Always |
1 MΩ or higher |
|
O4-3 (LBE-) - Body ground |
Always |
1 MΩ or higher |
|
|
4. |
CHECK FRONT SEAT INNER BELT LH |
|
(a) Connect the connector to the center airbag sensor and the front seat inner belt LH. |
(b) Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
(c) Turn the ignition switch to ON, and wait for at least 60 seconds.
(d) Clear the DTCs
.
(e) Turn the ignition switch off.
(f) Turn the ignition switch to ON, and wait for at least 60 seconds.
(g) Check for DTCs
.
OK:
DTC B1655/37 is not output.
HINT:
Codes other than DTC B1655/37 may be output at this time, but they are not related to this check.
|
|
5. |
REPLACE FRONT SEAT INNER BELT LH |
(a) Turn the ignition switch off.
(b) Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
(c) Replace the front seat inner belt LH
.
HINT:
Perform inspection using parts from a normal vehicle if possible.
|
|
6. |
CHECK CENTER AIRBAG SENSOR |
|
|
(a) Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds. |
(b) Turn the ignition switch to ON, and wait for at least 60 seconds.
(c) Clear the DTCs
.
(d) Turn the ignition switch off.
(e) Turn the ignition switch to ON, and wait for at least 60 seconds.
(f) Check for DTCs
.
OK:
DTC B1655/37 is not output.
HINT:
Codes other than DTC B1655/37 may be output at this time, but they are not related to this check.
|
|
|