Toyota Corolla Cross: Passenger Seat Belt Sensor Circuit Undetermined Failure (B005200)
DESCRIPTION
|
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
Warning Indicate | Test Mode / Check Mode |
|---|---|---|---|---|---|
|
B005200 | Passenger Seat Belt Sensor Circuit Undetermined Failure |
When it is determined that the specified number of times or more is not achieved after the ignition switch is turned to ON. |
| Comes on |
Does not apply to test/check mode |
WIRING DIAGRAM
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
PROCEDURE
| 1. |
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 passenger seat buckle switch (front seat inner belt assembly RH).
OK:
The connectors are properly connected.
| NG | .gif) | CONNECT CONNECTORS PROPERLY |
|
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| 2. |
CHECK CONNECTORS |
(a) Disconnect the connectors from the airbag ECU assembly and passenger seat buckle switch (front seat inner belt assembly RH).
| (b) 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 |
|
| 3. |
INSPECT PASSENGER SEAT BUCKLE SWITCH (FRONT SEAT INNER BELT ASSEMBLY RH) |
(a) Remove the passenger seat buckle switch (front seat inner belt assembly RH).
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(b) Connect the battery and a tester to the passenger seat buckle switch (front seat inner belt assembly RH) as shown in the illustration.
(c) Measure the current according to the value(s) in the table below.
|
*1 | Battery |
- | - |
|
*a | Component without harness connected (Passenger Seat Buckle Switch (Front Seat Inner Belt Assembly RH)) |
*b | Tester |
Standard Current:
|
Tester Connection | Condition |
Specified Condition |
|---|---|---|
|
Tester positive (+) - j15-2 Tester negative (-) - Battery negative (-) |
Seat belt fastened | 12.0 to 18.0 mA |
|
Tester positive (+) - j15-2 Tester negative (-) - Battery negative (-) |
Seat belt not fastened |
4.0 to 7.0 mA |
| NG | | REPLACE PASSENGER SEAT BUCKLE SWITCH (FRONT SEAT INNER BELT ASSEMBLY RH) |
|
| 4. |
CHECK HARNESS AND CONNECTOR (SHORT TO GROUND) |
| (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
| 5. |
CHECK HARNESS AND CONNECTOR (SHORT TO B+) |
(a) Connect the cable to the negative (-) battery terminal.
(b) Turn the ignition switch to ON.
| (c) Measure the voltage according to the value(s) in the table below. Standard Voltage:
Result:
|
|
(d) Turn the ignition switch off.
(e) 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.
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
| 6. |
CHECK HARNESS AND CONNECTOR (OPEN) |
(a) Using a service wire, connect terminals 27 (RBE+) and 18 (GNDR) of connector B.
NOTICE:
Do not forcibly insert the service wire into the terminals of the connector when connecting the wire.
| (b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
Result:
|
|
(c) Disconnect the service wire from connector B.
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
| 7. |
CLEAR DTC |
| (a) Connect the connectors to the airbag ECU assembly and passenger seat buckle switch (front seat inner belt assembly RH). |
|
(b) Connect the cable to the negative (-) battery terminal.
(c) Turn the ignition switch to ON, and wait for at least 60 seconds.
(d) Clear the DTCs stored in memory.
Body Electrical > SRS Airbag > Clear DTCs(e) Turn the ignition switch off.
|
| 8. |
CHECK DTC |
(a) Turn the ignition switch to ON, and wait for at least 60 seconds.
(b) Check for DTCs.
Body Electrical > SRS Airbag > Trouble Codes| Result |
Proceed to |
|---|---|
| B005200 is output |
A |
| B005200 is not output |
B |
HINT:
Codes other than DTC B005200 may be output at this time, but they are not related to this check.
| A |
| REPLACE AIRBAG ECU ASSEMBLY |
| B |
| USE SIMULATION METHOD TO CHECK |
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TERMINALS OF ECU CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY
(a) Disconnect the L7 multiplex network master switch assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
HINT: Measure the values on the wire harness side with the connector disc
