RM36D0EC _58 Vehicle Interior _083100 SUPPLEMENTAL RESTRAINT SYSTEMS _0694957 AIRBAG SYSTEM(for SFTM Made) C

SUPPLEMENTAL RESTRAINT SYSTEMS  AIRBAG SYSTEM(for SFTM Made)  B009087  Left Frontal Restraints Sensor Missing Message  


DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode
B009087 Left Frontal Restraints Sensor Missing Message One of the following conditions is met:
·

The airbag ECU assembly detects a line short in the front airbag sensor LH circuit for 2 seconds

·

The airbag ECU assembly detects a short to ground in the front airbag sensor LH circuit for 2 seconds

·

The airbag ECU assembly detects a short to B+ in the front airbag sensor LH circuit for 2 seconds

·

The airbag ECU assembly detects an open in the front airbag sensor LH circuit for 2 seconds

·

Front airbag sensor LH malfunction

·

Airbag ECU assembly malfunction


·

Wire harness

·

Front airbag sensor LH

·

Airbag ECU assembly


Comes on Not applicable

WIRING DIAGRAM

E511531E01
5.427,2.917 7.01,3.167 1.583,0.25 10 false Airbag ECU Assembly 5.417,2.74 5.875,2.906 0.458,0.167 10 false G70 5.292,0.792 5.75,1.094 0.458,0.302 10 false 30 5.302,1.99 6.052,2.365 0.75,0.375 10 false 31 5.615,0.875 6.073,1.177 0.458,0.302 10 false +SL 5.604,2.063 6.354,2.438 0.75,0.375 10 false -SL 1.729,0.802 2.188,1.104 0.458,0.302 10 false 2 1.729,1.948 2.188,2.25 0.458,0.302 10 false 1 1.323,0.917 1.781,1.219 0.458,0.302 10 false +SL 1.323,2.115 2.073,2.49 0.75,0.375 10 false -SL 0.292,2.781 2.365,3.25 2.073,0.469 10 false A47 0.292,2.958 1.969,3.25 1.677,0.292 10 false Front Airbag Sensor LH

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

·

When disconnecting and reconnecting the auxiliary 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 ECU assembly, refer to initialization.

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



PROCEDURE

1.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 ECU assembly and front airbag sensor LH.

OK:

The connectors are properly connected.



Result:
Proceed to
OK
NG



OK

2.CHECK CONNECTORS

NG

CONNECT CONNECTORS PROPERLY

2.CHECK CONNECTORS
a.
C413952C01
0.542,1.458 0.854,1.656 0.313,0.198 10 false *1 2.719,1.563 3.031,1.76 0.313,0.198 10 false *2 1.635,0.792 1.865,0.948 0.229,0.156 10 false *3
*1 Front Airbag Sensor LH
*2 Airbag ECU Assembly
*3 Wire Harness


Disconnect the airbag ECU assembly connector.


b.

Disconnect the front airbag sensor LH connector.


c.

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

OK:

The terminals of the connectors are not deformed or damaged.



Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (CHECK FOR SHORT IN THE CIRCUIT)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.CHECK HARNESS AND CONNECTOR (CHECK FOR SHORT IN THE CIRCUIT)
a.
E441548C01
1.26,3.667 1.677,3.917 0.417,0.25 0.375,0.844 0.792,1.094 0.417,0.25 1.771,4.448 2.021,4.448 2.021,4.448 2.115,4.073 true 2.625,4.448 2.375,4.448 2.375,4.448 2.208,4.073 true 0.854,1.469 1.104,1.469 1.104,1.469 1.24,0.979 true 1.938,1.469 1.688,1.469 1.688,1.469 1.458,0.979 true 0.417,2.615 0.604,2.781 0.188,0.167 10 false *1 0.719,2.125 0.906,2.292 0.188,0.167 10 false D 1.031,2.135 1.219,2.302 0.188,0.167 10 false C 2.073,2.125 2.26,2.292 0.188,0.167 10 false B 2.385,2.125 2.573,2.292 0.188,0.167 10 false A 2.854,2.719 3.042,2.885 0.188,0.167 10 false *2 0.479,0.896 0.781,1.052 0.302,0.156 10 false A47 0.25,0.25 0.438,0.417 0.188,0.167 10 false *a 0.573,1.396 1.083,1.573 0.51,0.177 10 false -SL 1.99,1.396 2.469,1.563 0.479,0.167 10 false +SL 1.531,4.396 1.865,4.583 0.333,0.188 10 false +SL 2.677,4.375 3.063,4.531 0.385,0.156 10 false -SL 1.365,3.719 1.688,3.896 0.323,0.177 10 false G70 1.167,3.146 1.354,3.313 0.188,0.167 10 false *b 1.49,2.302 1.719,2.458 0.229,0.156 10 false *3
*1 Front Airbag Sensor LH
*2 Airbag ECU Assembly
*3 Wire Harness
*a Front view of wire harness connector
(to Front Airbag Sensor LH)
*b Front view of wire harness connector
(to Airbag ECU Assembly)


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

Standard Resistance:
Tester Connection Condition Specified Condition
A47-2 (+SL) - A47-1 (-SL) Always 1 MΩ or higher



Result:
Proceed to
OK
NG



OK

4.CHECK HARNESS AND CONNECTOR (CHECK FOR OPEN IN THE CIRCUIT)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.CHECK HARNESS AND CONNECTOR (CHECK FOR OPEN IN THE CIRCUIT)
a.
E441549C01
0.375,0.833 0.792,1.083 0.417,0.25 1.25,3.75 1.667,4 0.417,0.25 0.833,1.5 1.083,1.5 1.083,1.5 1.25,0.958 true 1.917,1.5 1.667,1.5 1.667,1.5 1.469,0.969 true 1.5,3.5 1.667,3.5 1.667,3.5 2.083,4 true 3,3.208 2.75,3.208 2.75,3.208 2.167,4 true 1.656,4.406 1.99,4.406 true 0.417,2.615 0.604,2.781 0.188,0.167 10 false *1 1.021,2.135 1.208,2.302 0.188,0.167 10 false C 2.073,2.125 2.26,2.292 0.188,0.167 10 false B 2.385,2.125 2.573,2.292 0.188,0.167 10 false A 2.854,2.719 3.042,2.885 0.188,0.167 10 false *2 0.458,0.896 0.76,1.052 0.302,0.156 10 false A47 0.25,0.25 0.438,0.417 0.188,0.167 10 false *a 1.479,4.344 1.698,4.51 0.219,0.167 10 false *4 0.563,1.438 1.073,1.615 0.51,0.177 10 false -SL 1.958,1.427 2.438,1.594 0.479,0.167 10 false +SL 1.354,3.813 1.656,3.969 0.302,0.156 10 false G70 1.167,3.146 1.354,3.313 0.188,0.167 10 false *b 1.469,2.313 1.698,2.469 0.229,0.156 10 false *3 0.708,2.135 0.896,2.302 0.188,0.167 10 false D 1.229,3.427 1.708,3.594 0.479,0.167 10 false +SL 3.042,3.135 3.406,3.333 0.365,0.198 10 false -SL
*1 Front Airbag Sensor LH
*2 Airbag ECU Assembly
*3 Wire Harness
*4 Service Wire
*a Front view of wire harness connector
(to Front Airbag Sensor LH)
*b Front view of wire harness connector
(to Airbag ECU Assembly)


Using a service wire, connect terminals 30 (+SL) and 31 (-SL) of connector B.

NOTICE:

Do not forcibly insert the service wire into the terminals of the connector when connecting a service wire.



b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
A47-2 (+SL) - A47-1 (-SL) Always Below 1 Ω



c.

Disconnect the service wire from connector B.


Result:
Proceed to
OK
NG



OK

5.CHECK HARNESS AND CONNECTOR (CHECK FOR SHORT TO GROUND IN THE CIRCUIT)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.CHECK HARNESS AND CONNECTOR (CHECK FOR SHORT TO GROUND IN THE CIRCUIT)
a.
E441548C01
1.26,3.667 1.677,3.917 0.417,0.25 0.375,0.844 0.792,1.094 0.417,0.25 1.771,4.448 2.021,4.448 2.021,4.448 2.115,4.073 true 2.625,4.448 2.375,4.448 2.375,4.448 2.208,4.073 true 0.854,1.469 1.104,1.469 1.104,1.469 1.24,0.979 true 1.938,1.469 1.688,1.469 1.688,1.469 1.458,0.979 true 0.417,2.615 0.604,2.781 0.188,0.167 10 false *1 0.719,2.125 0.906,2.292 0.188,0.167 10 false D 1.031,2.135 1.219,2.302 0.188,0.167 10 false C 2.073,2.125 2.26,2.292 0.188,0.167 10 false B 2.385,2.125 2.573,2.292 0.188,0.167 10 false A 2.854,2.719 3.042,2.885 0.188,0.167 10 false *2 0.479,0.896 0.781,1.052 0.302,0.156 10 false A47 0.25,0.25 0.438,0.417 0.188,0.167 10 false *a 0.573,1.396 1.083,1.573 0.51,0.177 10 false -SL 1.99,1.396 2.469,1.563 0.479,0.167 10 false +SL 1.531,4.396 1.865,4.583 0.333,0.188 10 false +SL 2.677,4.375 3.063,4.531 0.385,0.156 10 false -SL 1.365,3.719 1.688,3.896 0.323,0.177 10 false G70 1.167,3.146 1.354,3.313 0.188,0.167 10 false *b 1.49,2.302 1.719,2.458 0.229,0.156 10 false *3
*1 Front Airbag Sensor LH
*2 Airbag ECU Assembly
*3 Wire Harness
*a Front view of wire harness connector
(to Front Airbag Sensor LH)
*b Front view of wire harness connector
(to Airbag ECU Assembly)


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

Standard Resistance:
Tester Connection Condition Specified Condition
A47-2 (+SL) - Body ground Always 1 MΩ or higher
A47-1 (-SL) - Body ground Always 1 MΩ or higher



Result:
Proceed to
OK
NG



OK

6.CHECK HARNESS AND CONNECTOR (CHECK FOR SHORT TO +B IN THE CIRCUIT)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

6.CHECK HARNESS AND CONNECTOR (CHECK FOR SHORT TO +B IN THE CIRCUIT)
a.
E441548C01
1.26,3.667 1.677,3.917 0.417,0.25 0.375,0.844 0.792,1.094 0.417,0.25 1.771,4.448 2.021,4.448 2.021,4.448 2.115,4.073 true 2.625,4.448 2.375,4.448 2.375,4.448 2.208,4.073 true 0.854,1.469 1.104,1.469 1.104,1.469 1.24,0.979 true 1.938,1.469 1.688,1.469 1.688,1.469 1.458,0.979 true 0.417,2.615 0.604,2.781 0.188,0.167 10 false *1 0.719,2.125 0.906,2.292 0.188,0.167 10 false D 1.031,2.135 1.219,2.302 0.188,0.167 10 false C 2.073,2.125 2.26,2.292 0.188,0.167 10 false B 2.385,2.125 2.573,2.292 0.188,0.167 10 false A 2.854,2.719 3.042,2.885 0.188,0.167 10 false *2 0.479,0.896 0.781,1.052 0.302,0.156 10 false A47 0.25,0.25 0.438,0.417 0.188,0.167 10 false *a 0.573,1.396 1.083,1.573 0.51,0.177 10 false -SL 1.99,1.396 2.469,1.563 0.479,0.167 10 false +SL 1.531,4.396 1.865,4.583 0.333,0.188 10 false +SL 2.677,4.375 3.063,4.531 0.385,0.156 10 false -SL 1.365,3.719 1.688,3.896 0.323,0.177 10 false G70 1.167,3.146 1.354,3.313 0.188,0.167 10 false *b 1.49,2.302 1.719,2.458 0.229,0.156 10 false *3
*1 Front Airbag Sensor LH
*2 Airbag ECU Assembly
*3 Wire Harness
*a Front view of wire harness connector
(to Front Airbag Sensor LH)
*b Front view of wire harness connector
(to Airbag ECU Assembly)


Connect the cable to the negative (-) auxiliary 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
A47-2 (+SL) - Body ground Ignition switch ON Below 1 V
A47-1 (-SL) - Body ground Ignition switch ON Below 1 V



d.

Turn the ignition switch off.


e.

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


Result:
Proceed to
OK
NG



OK

7.CHECK FRONT AIRBAG SENSOR LH

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

7.CHECK FRONT AIRBAG SENSOR LH
a.
C413953C01
0.646,1.292 0.958,1.49 0.313,0.198 10 false *1 2.365,1.385 2.677,1.583 0.313,0.198 10 false *2 1.552,0.594 1.865,0.792 0.313,0.198 10 false *3
*1 Front Airbag Sensor RH
*2 Airbag ECU Assembly
*3 Wire Harness


Connect the G70 airbag ECU assembly.


b.

Interchange the front airbag sensor LH with RH and connect the connectors.


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.


e.

Clear the DTCs stored in memory.

Body Electrical > SRS Airbag > Clear DTCs
50002 444

f.

Turn the ignition switch off.


g.

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


h.

Check for DTCs.

Body Electrical > SRS Airbag > Trouble Codes
50001 444
Result:
Proceed to
DTC B009087 is output
DTC B009587 is output
DTC B009087 and B009587 are not output


HINT:

Codes other than DTCs B009087 and B009587 may be output at this time, but they are not related to this check.



i.

Turn the ignition switch off.


j.

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


k.

Return the front airbag sensor LH and RH to their original positions and connect the connectors.



DTC B009087 is output

REPLACE AIRBAG ECU ASSEMBLY

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


DTC B009587 is output

REPLACE FRONT AIRBAG SENSOR LH

Click hereVehicle Interior>SUPPLEMENTAL RESTRAINT SYSTEMS>FRONT AIRBAG SENSOR>REMOVAL


DTC B009087 and B009587 are not output

USE SIMULATION METHOD TO CHECK

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