| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM10000000289WC |
| Model Year Start: 2023 | Model: GR Corolla | Prod Date Range: [11/2022 - ] |
| Title: SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM (for TMMMS Made): B00C287; Passenger Seat Occupant Classification Sensor "C" Missing Message; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 - ] | ||
|
DTC |
B00C287 |
Passenger Seat Occupant Classification Sensor "C" Missing Message |
DESCRIPTION
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
B00C287 |
Passenger Seat Occupant Classification Sensor "C" Missing Message |
Either of following conditions is met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.
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![2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - ]; SETUP: WHEN DISCONNECTING OR RECONNECTING BATTERY TERMINAL: BEFORE DISCONNECTING BATTERY](/t3Portal/stylegraphics/info.gif)
HINT:
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.
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-
After replacing the airbag sensor assembly or separate type front seat cushion spring assembly RH, refer to work procedure.
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HINT:
- If it is difficult to perform troubleshooting (wire harness inspection), remove the front passenger seat installation bolts to see under the seat cushion.
- In the above case, lift and hold the seat so that it does not fall down. Hold the seat only as necessary because holding the seat for a long period of time may cause seat rail deformation.
PROCEDURE
|
1. |
CHECK DTC |
(a) Check the DTCs.
Body Electrical > SRS Airbag > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
B00C087 is output |
A |
|
B00C287 is output |
B |
|
B00C087 and B00C287 are output |
C |
|
B00C087 and B00C287 are not output |
D |
HINT:
Codes other than DTCs B00C087 and B00C287 may be output at this time, but they are not related to this check.
| B |
|
| C |
|
| D |
|
|
|
2. |
CHECK CONNECTION OF CONNECTORS |
(a) Turn the ignition switch off.
(b) Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.
(c) Check that the connectors are properly connected to the airbag sensor assembly and separate type front seat cushion spring assembly RH (front occupant classification sensor LH).
OK:
The connectors are properly connected.
| NG |
|
CONNECT CONNECTORS PROPERLY |
|
|
3. |
CHECK CONNECTORS |
|
(a) Disconnect the airbag sensor assembly connector. |
|
(b) Disconnect the separate type front seat cushion spring assembly RH (front occupant classification sensor LH) connector.
(c) Check that the terminals of the connectors are not deformed or damaged.
OK:
The terminals are not deformed or damaged.
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
4. |
CHECK HARNESS AND CONNECTOR (AIRBAG SENSOR ASSEMBLY - SEPARATE TYPE FRONT SEAT CUSHION SPRING ASSEMBLY RH) |
|
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
CHECK CONNECTION OF CONNECTORS |
(a) Turn the ignition switch off.
(b) Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.
(c) Check that the connectors are properly connected to the airbag sensor assembly and separate type front seat cushion spring assembly RH (rear occupant classification sensor LH).
OK:
The connectors are properly connected.
| NG |
|
CONNECT CONNECTORS PROPERLY |
|
|
6. |
CHECK CONNECTORS |
|
(a) Disconnect the airbag sensor assembly connector. |
|
(b) Disconnect the separate type front seat cushion spring assembly RH (rear occupant classification sensor LH) connector.
(c) Check that the terminals of the connectors are not deformed or damaged.
OK:
The terminals are not deformed or damaged.
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
7. |
CHECK HARNESS AND CONNECTOR (AIRBAG SENSOR ASSEMBLY - SEPARATE TYPE FRONT SEAT CUSHION SPRING ASSEMBLY RH) |
|
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
8. |
CHECK CONNECTION OF CONNECTORS |
(a) Turn the ignition switch off.
(b) Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.
(c) Check that the connectors are properly connected to the airbag sensor assembly and separate type front seat cushion spring assembly RH.
OK:
The connectors are properly connected.
| NG |
|
CONNECT CONNECTORS PROPERLY |
|
|
9. |
CHECK CONNECTORS |
|
(a) Disconnect the airbag sensor assembly connector. |
|
(b) Disconnect the separate type front seat cushion spring assembly RH connector.
(c) Check that the terminals of the connectors are not deformed or damaged.
OK:
The terminals are not deformed or damaged.
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
10. |
CHECK HARNESS AND CONNECTOR (AIRBAG SENSOR ASSEMBLY - SEPARATE TYPE FRONT SEAT CUSHION SPRING ASSEMBLY RH) |
|
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|