RM3660EC _58 Vehicle Interior _080741 SUPPLEMENTAL RESTRAINT SYSTEMS _0584471 AIRBAG SYSTEM(except NR Series Engine) C

SUPPLEMENTAL RESTRAINT SYSTEMS  AIRBAG SYSTEM(except NR Series Engine)  B00281A  Right Side Airbag Deployment Control Circuit Resistance Below Threshold  


DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate DTC Output from Priority Test Mode / Check Mode
B00281A Right Side Airbag Deployment Control Circuit Resistance Below Threshold
·

The airbag sensor with ECU assembly detects a line short in the front side squib RH circuit for 2 seconds during the primary check.

·

Front seat airbag assembly RH malfunction

·

Airbag sensor with ECU assembly malfunction


·

Harness or connector

·

Front seat airbag assembly RH

·

Airbag sensor with ECU assembly


Comes on SRS Airbag A Applies to check mode

WIRING DIAGRAM

B665395E66
5.052,3.083 6.24,3.521 1.188,0.438 10 false Airbag Sensor with ECU Assembly 5.042,2.917 6.708,3.438 1.667,0.521 10 false O165 4.781,1.333 5.583,1.979 0.802,0.646 10 false 9 4.719,1.896 5.521,2.542 0.802,0.646 10 false 10 4.958,1.333 5.76,1.979 0.802,0.646 10 false SFR+ 4.958,1.896 5.76,2.542 0.802,0.646 10 false SFR- 0.875,2.406 2.542,2.927 1.667,0.521 10 false O198*1, Od1*2 0.875,2.573 2.948,2.844 2.073,0.271 10 false Front Seat Airbag Assembly RH 2.083,1.333 2.885,1.979 0.802,0.646 10 false 1 2.083,1.885 2.885,2.531 0.802,0.646 10 false 2 1.635,1.333 2.438,1.979 0.802,0.646 10 false SFR+ 1.646,1.885 2.448,2.531 0.802,0.646 10 false SFR- 0.25,3.156 5.906,3.354 5.656,0.198 10 false *1: for TFTM Made (M15B-FKS, 8ZR-FXE) 0.26,3.458 5.917,3.656 5.656,0.198 10 false *2: except TFTM Made (M15B-FKS, 8ZR-FXE)

CAUTION / NOTICE / HINT

NOTICE:
·

After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.

Click hereGeneral>SETUP>WHEN DISCONNECTING OR RECONNECTING BATTERY TERMINAL>BEFORE DISCONNECTING BATTERY

HINT:

When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.

Click hereGeneral>SETUP>WHEN DISCONNECTING OR RECONNECTING BATTERY TERMINAL>AUTOMATIC LEARNING CHART


·

After replacing the airbag sensor with ECU assembly, refer to work procedure.

Click hereGeneral>SETUP>WHEN REPLACING OR REMOVING/INSTALLING PARTS>WORK PROCEDURE



HINT:
·

To perform the simulation method, enter check mode (signal check) with the GTS.

Click hereVehicle Interior>SUPPLEMENTAL RESTRAINT SYSTEMS>AIRBAG SYSTEM (except NR Series Engine)>CHECK MODE PROCEDURE

·

Perform the simulation method while checking the Data List.

Click hereVehicle Interior>SUPPLEMENTAL RESTRAINT SYSTEMS>AIRBAG SYSTEM (except NR Series Engine)>DATA LIST / ACTIVE TEST



PROCEDURE

1.CLEAR DTC

Pre-procedure1

a.

Turn the ignition switch to ON, and wait for at least 60 seconds.


Procedure1

b.

Clear the DTCs stored in memory.

Body Electrical > SRS Airbag > Clear DTCs
50002 444
Result:
Proceed to
NEXT



Post-procedure1

c.

Turn the ignition switch off.



NEXT

2.CHECK DTC
2.CHECK DTC

Pre-procedure1

a.

Turn the ignition switch to ON, and wait for at least 60 seconds.


Procedure1

b.

Check for DTCs.

Body Electrical > SRS Airbag > Trouble Codes
50001 444
Result:
Result Proceed to
B00281A is output A
B00281A is not output B



Post-procedure1

c.

None



A

3.CHECK CONNECTION OF CONNECTORS

B

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


3.CHECK CONNECTION OF CONNECTORS

Pre-procedure1

a.

Turn the ignition switch off.


b.

Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.


Procedure1

c.

Check that the connectors are properly connected to the front seat airbag assembly RH and airbag sensor with ECU assembly.

OK:

The connectors are properly connected.


Result:
Proceed to
OK
NG



Post-procedure1

d.

None



OK

4.CHECK CONNECTORS

NG

CONNECT CONNECTORS PROPERLY

4.CHECK CONNECTORS

Pre-procedure1

a.
C400937C08
0.656,1.531 0.969,1.729 0.313,0.198 10 false *1 1.26,1.531 1.573,1.729 0.313,0.198 10 false *3 2.198,1.635 2.51,1.833 0.313,0.198 10 false *2
*1 Front Seat Airbag Assembly RH
*2 Airbag Sensor with ECU Assembly
*3 Wire Harness


Disconnect the airbag sensor with ECU assembly connector.


b.

Disconnect the front seat airbag assembly RH connector.


Procedure1

c.

Check that the terminals of the connectors are not deformed or damaged.

OK:

The terminals are not deformed or damaged.


Result:
Proceed to
OK
NG



Post-procedure1

d.

None



OK

5.CLEAR DTC

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.CLEAR DTC

Pre-procedure1

a.
C395623C51
0.344,2.198 0.781,2.479 0.438,0.281 0.365,2.542 0.771,2.823 0.406,0.281 2.104,2.573 2.26,2.75 2.26,2.75 2.427,2.75 true 2.469,2.688 2.927,2.885 0.458,0.198 10 false *4 0.406,2.25 0.802,2.604 0.396,0.354 10 false O198 0.427,1.667 0.823,2.021 0.396,0.354 10 false *a 0.604,1.135 1,1.49 0.396,0.354 10 false *1 2.458,1.24 2.854,1.594 0.396,0.354 10 false *2 0.729,0.906 1.125,1.26 0.396,0.354 10 false D 1.115,0.906 1.51,1.26 0.396,0.354 10 false C 1.865,0.906 2.26,1.26 0.396,0.354 10 false B 2.021,0.906 2.417,1.26 0.396,0.354 10 false A 1.458,1.083 1.917,1.281 0.458,0.198 10 false *3 0.438,2.594 0.833,2.948 0.396,0.354 10 false Od1 0.823,2.26 1.135,2.458 0.313,0.198 10 false *A 0.833,2.594 1.146,2.792 0.313,0.198 10 false *B
*A for TFTM Made (M15B-FKS, 8ZR-FXE)
*B except TFTM Made (M15B-FKS, 8ZR-FXE)
*1 Front Seat Airbag Assembly RH
*2 Airbag Sensor with ECU Assembly
*3 Wire Harness
*4 SST
*a Front view of wire harness connector
(to Front Seat Airbag Assembly RH)


Connect the airbag sensor with ECU assembly connector.


b.

Connect SST (resistance: 2.1 Ω) to connector C.

CAUTION:

Never connect the tester to the front seat airbag assembly RH for measurement, as this may lead to a serious injury due to airbag deployment.


NOTICE:
·

Do not forcibly insert SST into the terminals of the connector when connecting SST.

·

Insert SST straight into the terminals of the connector.




SST
09843-18061  

c.

Connect the cable to the negative (-) auxiliary battery terminal, and wait for at least 2 seconds.


d.

Turn the ignition switch to ON, and wait for at least 60 seconds.


Procedure1

e.

Clear the DTCs stored in memory.

Body Electrical > SRS Airbag > Clear DTCs
50002 444
Result:
Proceed to
NEXT



Post-procedure1

f.

Turn the ignition switch off.



NEXT

6.CHECK FRONT SEAT AIRBAG ASSEMBLY RH
6.CHECK FRONT SEAT AIRBAG ASSEMBLY RH

Pre-procedure1

a.

Turn the ignition switch to ON, and wait for at least 60 seconds.


Procedure1

b.

Check for DTCs.

Body Electrical > SRS Airbag > Trouble Codes
50001 444
Result:
Result Proceed to
B00281A is not output A
B00281A is output B


HINT:

Codes other than DTC B00281A may be output at this time, but they are not related to this check.



Post-procedure1

c.

Turn the ignition switch off.


d.

Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.


e.

Disconnect SST from connector C.



A

REPLACE FRONT SEAT AIRBAG ASSEMBLY RH

Click hereVehicle Interior>SUPPLEMENTAL RESTRAINT SYSTEMS>FRONT SEAT SIDE AIRBAG ASSEMBLY>REMOVAL


B

7.CHECK HARNESS AND CONNECTOR
7.CHECK HARNESS AND CONNECTOR

Pre-procedure1

a.

Disconnect the airbag sensor with ECU assembly connector.


Procedure1

b.
E439478C13
0.646,2.375 1.031,2.625 0.385,0.25 0.615,2.052 1.052,2.313 0.438,0.26 1.323,2.917 1.583,2.917 1.583,2.917 1.677,2.469 true 2.198,2.875 1.948,2.875 1.948,2.875 1.823,2.479 true 0.313,1.073 0.625,1.229 0.313,0.156 10 false *1 2.365,1.115 2.677,1.271 0.313,0.156 10 false *2 1.094,1 1.406,1.156 0.313,0.156 10 false *3 0.552,1.688 0.865,1.844 0.313,0.156 10 false *a 1.969,0.823 2.281,0.979 0.313,0.156 10 false A 1.552,0.833 1.865,0.99 0.313,0.156 10 false B 0.74,0.833 1.052,0.99 0.313,0.156 10 false C 0.438,0.833 0.75,0.99 0.313,0.156 10 false D 0.719,2.417 1.094,2.635 0.375,0.219 10 false Od1 0.938,2.833 1.5,3.021 0.563,0.188 10 false SFR+ 2.24,2.802 2.771,3 0.531,0.198 10 false SFR- 0.667,2.104 1.042,2.323 0.375,0.219 10 false O198 1.094,2.104 1.406,2.302 0.313,0.198 10 false *A 1.073,2.417 1.385,2.615 0.313,0.198 10 false *B
*A for TFTM Made (M15B-FKS, 8ZR-FXE)
*B except TFTM Made (M15B-FKS, 8ZR-FXE)
*1 Front Seat Airbag Assembly RH
*2 Airbag Sensor with ECU Assembly
*3 Wire Harness
*a Front view of wire harness connector
(to Front Seat Airbag Assembly RH)


Measure the resistance according to the value(s) in the table below.

Standard Resistance:
for TFTM Made (M15B-FKS, 8ZR-FXE)
Tester Connection Condition Specified Condition
O198-1 (SFR+) - O198-2 (SFR-) Always 1 MΩ or higher

except TFTM Made (M15B-FKS, 8ZR-FXE)
Tester Connection Condition Specified Condition
Od1-1 (SFR+) - Od1-2 (SFR-) Always 1 MΩ or higher


Result:
Proceed to
OK
NG



Post-procedure1

c.

None



OK

8.CLEAR DTC

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

8.CLEAR DTC

Pre-procedure1

a.
C400942C08
0.896,1.531 1.208,1.688 0.313,0.156 10 false *1 2.24,1.594 2.552,1.75 0.313,0.156 10 false *2 1.365,1.521 1.677,1.677 0.313,0.156 10 false *3
*1 Front Seat Airbag Assembly RH
*2 Airbag Sensor with ECU Assembly
*3 Wire Harness


Connect the airbag sensor with ECU assembly connector.


b.

Connect the front seat airbag assembly RH connector.


c.

Connect the cable to the negative (-) auxiliary battery terminal, and wait for at least 2 seconds.


d.

Turn the ignition switch to ON, and wait for at least 60 seconds.


Procedure1

e.

Clear the DTCs stored in memory.

Body Electrical > SRS Airbag > Clear DTCs
50002 444
Result:
Proceed to
NEXT



Post-procedure1

f.

Turn the ignition switch off.



NEXT

9.CHECK DTC
9.CHECK DTC

Pre-procedure1

a.

Turn the ignition switch to ON, and wait for at least 60 seconds.


Procedure1

b.

Check for DTCs.

Body Electrical > SRS Airbag > Trouble Codes
50001 444
Result:
Result Proceed to
B00281A is not output A
B00281A is output B


HINT:

Codes other than DTC B00281A may be output at this time, but they are not related to this check.



Post-procedure1

c.

None



A

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


B

REPLACE AIRBAG SENSOR WITH ECU ASSEMBLY

Click hereVehicle Interior>SUPPLEMENTAL RESTRAINT SYSTEMS>CENTER AIRBAG SENSOR ASSEMBLY>REMOVAL