Toyota Corolla Cross: Passenger Seat Occupant Classification Sensor "A" Missing Message (B00C087)
DESCRIPTION
|
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
Warning Indicate | Test Mode / Check Mode |
|---|---|---|---|---|---|
|
B00C087 | Passenger Seat Occupant Classification Sensor "A" Missing Message |
Either of following conditions is met:
|
| Comes on |
Does not apply to test/check mode |
- *: The front occupant classification sensor LH is built into the front seat cushion spring sub-assembly RH.
|
Vehicle Condition | ||||
|---|---|---|---|---|
|
Pattern 1 | Pattern 2 |
Pattern 3 | ||
|
Diagnosis Condition | Ignition switch ON |
○ | ○ |
○ |
|
Malfunction Status | The airbag ECU assembly detects an open in the front occupant classification sensor LH circuit. |
○ | - |
- |
| Front occupant classification sensor LH malfunction |
- | ○ |
- | |
| Airbag ECU assembly malfunction |
- | - |
○ | |
|
Detection Time | 5 seconds |
5 seconds | 5 seconds | |
|
Number of Trips | 1 trip |
1 trip | 1 trip | |
HINT:
DTC will be output when conditions for either of the patterns in the table above are met.
WIRING DIAGRAM
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CAUTION / NOTICE / HINT
NOTICE:
After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) battery terminal.
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HINT:
When disconnecting and reconnecting the battery, there is an automatic learning function that completes learning when the respective system is used.
Click here
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 for DTCs.
Body Electrical > SRS Airbag > Trouble Codes| Result |
Proceed to |
|---|---|
| B00C087 and B00C287 are output |
A |
| B00C087 is output |
B |
| B00C087 is not output |
C |
HINT:
Codes other than DTC B00C087 and B00C287 may be output at this time, but they are not related to this check.
| B |
.gif) | GO TO STEP 5 |
| C |
| USE SIMULATION METHOD TO CHECK |
|
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| 2. |
CHECK CONNECTION OF CONNECTORS |
(a) Turn the ignition switch off.
(b) Disconnect the cable from the negative (-) battery terminal.
CAUTION:
Wait at least 60 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.
(c) Check that the connectors are properly connected to the airbag ECU assembly, front occupant classification sensor LH and rear occupant classification sensor LH.
OK:
The connectors are properly connected.
| NG | | CONNECT CONNECTORS PROPERLY |
|
| 3. |
CHECK CONNECTORS |
(a) Disconnect the connectors from the airbag ECU assembly, front occupant classification sensor LH and rear occupant classification sensor LH.
| (b) Check that the terminals of the connectors are not deformed or damaged. OK: The terminals of the connectors are not deformed or damaged. |
|
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| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
| 4. |
CHECK HARNESS AND CONNECTOR (OPEN) |
| (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| OK | | REPLACE AIRBAG ECU ASSEMBLY |
| 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 (-) battery terminal.
CAUTION:
Wait at least 60 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.
(c) Check that the connectors are properly connected to the airbag ECU assembly and front occupant classification sensor LH.
OK:
The connectors are properly connected.
| NG | | CONNECT CONNECTORS PROPERLY |
|
| 6. |
CHECK CONNECTORS |
(a) Disconnect the connectors from the airbag ECU assembly and front occupant classification sensor LH.
| (b) Check that the terminals of the connectors are not deformed or damaged. OK: The terminals of the connectors are not deformed or damaged. |
|
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| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
| 7. |
CHECK HARNESS AND CONNECTOR (OPEN) |
| (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| OK | | REPLACE FRONT SEAT CUSHION SPRING SUB-ASSEMBLY RH |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
READ NEXT:
Passenger Seat Occupant Classification Sensor "A" Component Internal Failure (B00C096)
DESCRIPTION
DTC No. Detection Item
DTC Detection Condition Trouble Area
Warning Indicate Test Mode / Check Mode
B00C096 Passenger Seat Occupant Classification Sensor "A
Passenger Seat Occupant Classification Sensor "C" Signal Bias Level Out of Range / Zero Adjustment Failure (B00C228)
DESCRIPTION DTC B00C228 is also stored when the front seat assembly RH is subjected to a strong impact, even if an actual accident did not occur.
DTC No. Detection Item
DTC Detection Cond
Passenger Seat Occupant Classification Sensor "C" Signal (some circuit quantity, reported via serial data) Invalid (B00C286)
DESCRIPTION
DTC No. Detection Item
DTC Detection Condition Trouble Area
Warning Indicate Test Mode / Check Mode
B00C286 Passenger Seat Occupant Classification Sensor "C
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