RM38N0EC _58 Vehicle Interior _111838 SUPPLEMENTAL RESTRAINT SYSTEMS _0499714 AIRBAG SYSTEM C

SUPPLEMENTAL RESTRAINT SYSTEMS AIRBAG SYSTEM B009087 Left Frontal Restraints Sensor Missing Message

DESCRIPTION

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	DTC Output from	Priority	Test Mode / Check Mode
B009087	Left Frontal Restraints Sensor Missing Message	· The airbag sensor assembly detects a line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to +B signal in the front airbag sensor LH circuit for 2 seconds. · Front airbag sensor LH malfunction · Airbag sensor assembly malfunction	· Harness or connector · Front airbag sensor LH · Airbag sensor assembly	Comes on	SRS Airbag	A	Does not apply to test/check mode

WIRING DIAGRAM

4.781,2.906 6.854,3.375 2.073,0.469 10 false Airbag Sensor Assembly 4.781,2.74 5.25,2.938 0.469,0.198 10 false E64 4.583,1.021 5.042,1.323 0.458,0.302 10 false 30 4.583,1.698 5.333,2.073 0.75,0.375 10 false 31 4.833,1.021 5.292,1.323 0.458,0.302 10 false +SL 4.844,1.698 5.594,2.073 0.75,0.375 10 false -SL 5.479,1.448 6.156,1.74 0.677,0.292 10 false Interface 1.771,1.448 2.344,1.781 0.573,0.333 10 false Interface 0.76,1.448 1.323,1.76 0.563,0.313 10 false Element 3.042,1.021 3.5,1.323 0.458,0.302 10 false 2 3.042,1.708 3.5,2.01 0.458,0.302 10 false 1 2.677,1.021 3.135,1.323 0.458,0.302 10 false +SL 2.708,1.708 3.458,2.083 0.75,0.375 10 false -SL 0.563,2.344 0.948,2.552 0.385,0.208 10 false A50 0.573,2.51 2.646,2.979 2.073,0.469 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 BATTERY202303,202406,_V1,_111780,_0504976,RM100000002AJR4,202406,999999,_V1,_111780,_0504976,RM100000002MNUD,

When disconnecting and reconnecting the auxiliary battery.

Click hereGeneral>SETUP>WHEN DISCONNECTING OR RECONNECTING BATTERY TERMINAL>WORK PROCEDURE202203,202406,_V1,_111780,_0504976,RM1000000022CKY,202406,999999,_V1,_111780,_0504976,RM100000002MNUE,

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 CHART202111,999999,_V1,_111780,_0504976,RM100000001ZKRU,

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

Click hereGeneral>SETUP>WHEN REPLACING OR REMOVING/INSTALLING PARTS>WORK PROCEDURE202303,202406,_V1,_111780,_0504977,RM100000002AA1Y,202406,202409,_V1,_111780,_0504977,RM100000002MO96,202409,999999,_V1,_111780,_0504977,RM100000002OMBP,

PROCEDURE

1.CHECK CONNECTION OF CONNECTORS

Pre-procedure1

Turn the ignition switch off.

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

Procedure1

Check that the connectors are properly connected to the airbag sensor assembly and front airbag sensor LH.

OK:: The connectors are properly connected.

Result:

Proceed to
OK
NG

Post-procedure1

None

2.CHECK CONNECTORS

CONNECT CONNECTORS PROPERLY

2.CHECK CONNECTORS

Pre-procedure1

1.729,1.479 1.729,1.135 false 0.719,1 1.031,1.198 0.313,0.198 10 false *1 2.729,0.99 3.042,1.188 0.313,0.198 10 false *2 1.656,1.5 1.885,1.656 0.229,0.156 10 false *3

*1	Front Airbag Sensor LH
*2	Airbag Sensor Assembly
*3	Wire Harness

Disconnect the airbag sensor assembly connector.

Disconnect the front airbag sensor LH connector.

Procedure1

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

None

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

REPAIR OR REPLACE HARNESS OR CONNECTOR

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

0.531,2.24 0.948,2.521 0.417,0.281 1.531,1.198 1.531,0.854 false 2.094,2.885 1.813,2.396 true 1.281,2.896 1.531,2.406 true 2.75,0.698 3.063,0.854 0.313,0.156 10 false *2 0.313,0.698 0.625,0.854 0.313,0.156 10 false *1 1.469,1.219 1.781,1.375 0.313,0.156 10 false *3 0.448,1.771 0.76,1.927 0.313,0.156 10 false *a 2.344,0.708 2.5,0.906 0.156,0.198 10 false A 2.021,0.708 2.177,0.906 0.156,0.198 10 false B 0.969,0.708 1.125,0.906 0.156,0.198 10 false C 0.667,0.698 0.823,0.896 0.156,0.198 10 false D 0.625,2.323 1.083,2.521 0.458,0.198 10 false A50 1.156,2.917 1.615,3.115 0.458,0.198 10 false -SL 2,2.906 2.458,3.104 0.458,0.198 10 false +SL

*1	Front Airbag Sensor LH
*2	Airbag Sensor Assembly
*3	Wire Harness
*a	Front view of wire harness connector (to Front Airbag Sensor LH)

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(A50)Location & Routingewd_type=routing;type=c;code=A50 Click Connector(A50)Engine Compartment>Engine Room Main Wire / Transmission Wire>Airbag Sensor Front LHewd_type=component;type=c;code=A50;pinno=2,1
A50-2 (+SL) - A50-1 (-SL)	Always	1 MΩ or higher

Tester Connection

Condition

Specified Condition

Click Location & Routing(A50)Location & Routingewd_type=routing;type=c;code=A50

Click Connector(A50)Engine Compartment>Engine Room Main Wire / Transmission Wire>Airbag Sensor Front LHewd_type=component;type=c;code=A50;pinno=2,1

A50-2 (+SL) - A50-1 (-SL)

Always

1 MΩ or higher

Result:

Proceed to
OK
NG

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

REPAIR OR REPLACE HARNESS OR CONNECTOR

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

Pre-procedure1

0.323,0.833 0.74,1.083 0.417,0.25 1.219,3.729 1.635,3.979 0.417,0.25 0.792,1.5 1.042,1.5 1.042,1.5 1.208,0.958 true 1.917,1.51 1.667,1.51 1.667,1.51 1.469,0.979 true 1.5,3.5 1.667,3.5 1.667,3.5 2.083,4 true 2.969,3.219 2.781,3.219 2.781,3.219 2.198,4.01 true 1.646,4.406 1.979,4.406 true 1.563,2.604 1.563,2.271 false 0.365,2.135 0.552,2.302 0.188,0.167 10 false *1 1.021,2.135 1.208,2.302 0.188,0.167 10 false C 2.063,2.125 2.25,2.292 0.188,0.167 10 false B 2.396,2.125 2.583,2.292 0.188,0.167 10 false A 2.802,2.135 2.99,2.302 0.188,0.167 10 false *2 0.417,0.896 0.719,1.052 0.302,0.156 10 false A50 0.25,0.26 0.438,0.427 0.188,0.167 10 false *a 1.469,4.344 1.688,4.51 0.219,0.167 10 false *4 0.542,1.438 1.052,1.615 0.51,0.177 10 false -SL 1.958,1.438 2.438,1.604 0.479,0.167 10 false +SL 1.313,3.781 1.615,3.938 0.302,0.156 10 false E64 1.177,3.135 1.365,3.302 0.188,0.167 10 false *b 1.49,2.625 1.719,2.781 0.229,0.156 10 false *3 0.708,2.135 0.896,2.302 0.188,0.167 10 false D 1.26,3.438 1.74,3.604 0.479,0.167 10 false +SL 3.021,3.156 3.385,3.354 0.365,0.198 10 false -SL

*1	Front Airbag Sensor LH
*2	Airbag Sensor 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 Sensor 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.

Procedure1

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(A50)Location & Routingewd_type=routing;type=c;code=A50 Click Connector(A50)Engine Compartment>Engine Room Main Wire / Transmission Wire>Airbag Sensor Front LHewd_type=component;type=c;code=A50;pinno=2,1
A50-2 (+SL) - A50-1 (-SL)	Always	Below 1 Ω

Tester Connection

Condition

Specified Condition

Click Location & Routing(A50)Location & Routingewd_type=routing;type=c;code=A50

Click Connector(A50)Engine Compartment>Engine Room Main Wire / Transmission Wire>Airbag Sensor Front LHewd_type=component;type=c;code=A50;pinno=2,1

A50-2 (+SL) - A50-1 (-SL)

Always

Below 1 Ω

Result:

Proceed to
OK
NG

Post-procedure1

Disconnect the service wire from connector B.

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

REPAIR OR REPLACE HARNESS OR CONNECTOR

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

*1	Front Airbag Sensor LH
*2	Airbag Sensor Assembly
*3	Wire Harness
*a	Front view of wire harness connector (to Front Airbag Sensor LH)

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
Click Location & Routing(A50)Location & Routingewd_type=routing;type=c;code=A50 Click Connector(A50)Engine Compartment>Engine Room Main Wire / Transmission Wire>Airbag Sensor Front LHewd_type=component;type=c;code=A50;pinno=2,1
A50-2 (+SL) - Body ground	Always	1 MΩ or higher
A50-1 (-SL) - Body ground	Always	1 MΩ or higher

Tester Connection

Condition

Specified Condition

Click Location & Routing(A50)Location & Routingewd_type=routing;type=c;code=A50

Click Connector(A50)Engine Compartment>Engine Room Main Wire / Transmission Wire>Airbag Sensor Front LHewd_type=component;type=c;code=A50;pinno=2,1

A50-2 (+SL) - Body ground

Always

1 MΩ or higher

A50-1 (-SL) - Body ground

Always

1 MΩ or higher

Result:

Proceed to
OK
NG

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

REPAIR OR REPLACE HARNESS OR CONNECTOR

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

Pre-procedure1

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

Turn the ignition switch to ON.

Procedure1

*1	Front Airbag Sensor LH
*2	Airbag Sensor Assembly
*3	Wire Harness
*a	Front view of wire harness connector (to Front Airbag Sensor LH)

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

Standard Voltage:

Tester Connection	Condition	Specified Condition
Click Location & Routing(A50)Location & Routingewd_type=routing;type=c;code=A50 Click Connector(A50)Engine Compartment>Engine Room Main Wire / Transmission Wire>Airbag Sensor Front LHewd_type=component;type=c;code=A50;pinno=2,1
A50-2 (+SL) - Body ground	Ignition switch ON	Below 1 V
A50-1 (-SL) - Body ground	Ignition switch ON	Below 1 V

Tester Connection

Condition

Specified Condition

Click Location & Routing(A50)Location & Routingewd_type=routing;type=c;code=A50

Click Connector(A50)Engine Compartment>Engine Room Main Wire / Transmission Wire>Airbag Sensor Front LHewd_type=component;type=c;code=A50;pinno=2,1

A50-2 (+SL) - Body ground

Ignition switch ON

Below 1 V

A50-1 (-SL) - Body ground

Ignition switch ON

Below 1 V

Result:

Proceed to
OK
NG

Post-procedure1

Turn the ignition switch off.

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

7.CLEAR DTC

REPAIR OR REPLACE HARNESS OR CONNECTOR

7.CLEAR DTC

Pre-procedure1

1.656,1.313 1.656,0.938 false 0.885,0.802 1.198,1 0.313,0.198 10 false *1 2.417,0.802 2.729,1 0.313,0.198 10 false *2 1.594,1.333 1.906,1.531 0.313,0.198 10 false *3

*1	Front Airbag Sensor RH
*2	Airbag Sensor Assembly
*3	Wire Harness

Connect the airbag sensor assembly connector.

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

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

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

Procedure1

Clear the DTCs stored in memory.

Body Electrical > SRS Airbag > Clear DTCs: 50002 444

Result:

Proceed to
NEXT

Post-procedure1

Turn the ignition switch off.

8.CHECK FRONT AIRBAG SENSOR LH

Pre-procedure1

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

Procedure1

Check for DTCs.

Body Electrical > SRS Airbag > Trouble Codes: 50001 444

Result:

Result	Proceed to
B009087 is output	A
B009587 is output	B
B009087 and B009587 are not output	C

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

Post-procedure1

Turn the ignition switch off.

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

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

REPLACE AIRBAG SENSOR ASSEMBLY

Click hereVehicle Interior>SUPPLEMENTAL RESTRAINT SYSTEMS>CENTER AIRBAG SENSOR ASSEMBLY>REMOVAL202303,202406,_58,_111838,_0502526,RM100000002AQNS,202406,999999,_58,_111838,_0502526,RM100000002MS8F,

REPLACE FRONT AIRBAG SENSOR LH

Click hereVehicle Interior>SUPPLEMENTAL RESTRAINT SYSTEMS>FRONT AIRBAG SENSOR>REMOVAL202303,202406,_58,_111838,_0502527,RM100000002AQNT,202406,999999,_58,_111838,_0502527,RM100000002MS8M,

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING202111,999999,_V1,_111779,_0504974,RM100000001ZKRQ,