RM38T0EC _58 Vehicle Interior _115188 SUPPLEMENTAL RESTRAINT SYSTEMS _0511913 AIRBAG SYSTEM C

SUPPLEMENTAL RESTRAINT SYSTEMS  AIRBAG SYSTEM  B009B83  Left Side Restraints Sensor 5 Value of Signal Protection Calculation Incorrect  


DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode
B009B83 Left Side Restraints Sensor 5 Value of Signal Protection Calculation Incorrect One of the following conditions is met:
·

The airbag ECU assembly detects a line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to B+ signal in the side collision sensor LH circuit (bus 1) for 2 seconds.

·

Side airbag pressure sensor LH malfunction

·

Airbag ECU assembly malfunction


·

Harness or connector

·

Side airbag pressure sensor LH

·

Airbag ECU assembly


Comes on Not applicable

DTC Detection Conditions:
Vehicle Condition
Pattern 1 Pattern 2 Pattern 3 Pattern 4 Pattern 5 Pattern 6
Diagnosis Condition Ignition switch ON ○ ○ ○ ○ ○ ○
Malfunction Status The airbag ECU assembly detects a line short circuit signal in the side collision sensor LH circuit (bus 1). ○ - - - - -
The airbag ECU assembly detects an open circuit signal in the side collision sensor LH circuit (bus 1). - ○ - - - -
The airbag ECU assembly detects a short circuit to ground signal in the side collision sensor LH circuit (bus 1). - - ○ - - -
The airbag ECU assembly detects a short circuit to B+ signal in the side collision sensor LH circuit (bus 1). - - - ○ - -
Side airbag pressure sensor LH malfunction - - - - ○ -
Airbag ECU assembly malfunction - - - - - ○
Detection Time 2 seconds 2 seconds 2 seconds 2 seconds 2 seconds 2 seconds
Number of Trips 1 trip 1 trip 1 trip 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

C465715E05
4.781,2.917 6.5,3.333 1.719,0.417 10 false Airbag ECU Assembly 4.781,2.74 5.417,2.917 0.635,0.177 10 false O1 4.823,1.01 5.938,1.438 1.115,0.427 10 false BBL+ 5.49,1.458 6.052,1.885 0.563,0.427 10 false Interface 4.552,1.01 4.75,1.25 0.198,0.24 10 false 32 4.823,1.688 5.938,2.115 1.115,0.427 10 false BBL- 4.552,1.688 4.75,2.083 0.198,0.396 10 false 31 2.604,1.01 3.719,1.438 1.115,0.427 10 false BDL+ 2.615,1.698 3.729,2.125 1.115,0.427 10 false BDL- 3.052,1.01 4.167,1.438 1.115,0.427 10 false 2 3.052,1.698 4.167,2.125 1.115,0.427 10 false 1 1.771,1.458 2.354,1.938 0.583,0.479 10 false Interface 0.771,1.458 1.354,1.854 0.583,0.396 10 false Element 0.552,2.344 1.25,2.542 0.698,0.198 10 false L6 0.5,2.521 3.302,2.906 2.802,0.385 10 false Side Airbag Pressure 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

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.

CAUTION:

Wait at least 60 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.



c.

Check that the connectors are properly connected to the airbag ECU assembly and side airbag pressure 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.

Disconnect the connectors from the airbag ECU assembly and side airbag pressure sensor LH.


b.
C208244C56
1.771,0.333 1.615,0.333 1.615,0.333 1.615,0.802 false 2.635,1.115 3,1.333 0.365,0.219 10 false *2 0.583,0.792 0.917,1 0.333,0.208 10 false *1 1.792,0.229 2.094,0.396 0.302,0.167 10 false *3
*1 Side Airbag Pressure Sensor LH
*2 Airbag ECU Assembly
*3 Wire Harness


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 (SHORT)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.CHECK HARNESS AND CONNECTOR (SHORT)
a.
C381826C04
0.5,2.25 0.844,2.479 0.344,0.229 1.063,2.771 1.438,2.323 true 2.115,2.771 1.688,2.323 true 1.625,0.49 1.625,0.167 1.625,0.167 1.792,0.167 false 0.563,0.479 0.833,0.75 0.271,0.271 10 false *1 2.698,0.75 3,1.167 0.302,0.417 10 false *2 1.844,0.063 2.104,0.229 0.26,0.167 10 false *3 0.333,1.75 0.583,2 0.25,0.25 10 false *a 2.26,0.479 2.417,0.667 0.156,0.188 10 false A 1.938,0.479 2.083,0.667 0.146,0.188 10 false B 1.292,0.479 1.417,0.667 0.125,0.188 10 false C 0.938,0.479 1.083,0.667 0.146,0.188 10 false D 0.552,2.281 0.854,2.458 0.302,0.177 10 false L6 2.021,2.792 2.542,3.01 0.521,0.219 10 false BDL+ 0.885,2.792 1.354,3.01 0.469,0.219 10 false BDL-
*1 Side Airbag Pressure Sensor LH
*2 Airbag ECU Assembly
*3 Wire Harness
*a Front view of wire harness connector
(to Side Airbag Pressure Sensor LH)


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

Standard Resistance:
Tester Connection Condition Specified Condition
L6-2 (BDL+) - L6-1 (BDL-) Always 1 MΩ or higher



Result:
Proceed to
OK
NG



OK

4.CHECK HARNESS AND CONNECTOR (SHORT TO GROUND)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.CHECK HARNESS AND CONNECTOR (SHORT TO GROUND)
a.
C381826C04
0.5,2.25 0.844,2.479 0.344,0.229 1.063,2.771 1.438,2.323 true 2.115,2.771 1.688,2.323 true 1.625,0.49 1.625,0.167 1.625,0.167 1.792,0.167 false 0.563,0.479 0.833,0.75 0.271,0.271 10 false *1 2.698,0.75 3,1.167 0.302,0.417 10 false *2 1.844,0.063 2.104,0.229 0.26,0.167 10 false *3 0.333,1.75 0.583,2 0.25,0.25 10 false *a 2.26,0.479 2.417,0.667 0.156,0.188 10 false A 1.938,0.479 2.083,0.667 0.146,0.188 10 false B 1.292,0.479 1.417,0.667 0.125,0.188 10 false C 0.938,0.479 1.083,0.667 0.146,0.188 10 false D 0.552,2.281 0.854,2.458 0.302,0.177 10 false L6 2.021,2.792 2.542,3.01 0.521,0.219 10 false BDL+ 0.885,2.792 1.354,3.01 0.469,0.219 10 false BDL-
*1 Side Airbag Pressure Sensor LH
*2 Airbag ECU Assembly
*3 Wire Harness
*a Front view of wire harness connector
(to Side Airbag Pressure Sensor LH)


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

Standard Resistance:
Tester Connection Condition Specified Condition
L6-2 (BDL+) - Body ground Always 1 MΩ or higher
L6-1 (BDL-) - Body ground Always 1 MΩ or higher



Result:
Proceed to
OK
NG



OK

5.CHECK HARNESS AND CONNECTOR (SHORT TO B+)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.CHECK HARNESS AND CONNECTOR (SHORT TO B+)
a.

Connect the cable to the negative (-) auxiliary battery terminal.


b.

Turn the ignition switch to ON.


c.
C381826C04
0.5,2.25 0.844,2.479 0.344,0.229 1.063,2.771 1.438,2.323 true 2.115,2.771 1.688,2.323 true 1.625,0.49 1.625,0.167 1.625,0.167 1.792,0.167 false 0.563,0.479 0.833,0.75 0.271,0.271 10 false *1 2.698,0.75 3,1.167 0.302,0.417 10 false *2 1.844,0.063 2.104,0.229 0.26,0.167 10 false *3 0.333,1.75 0.583,2 0.25,0.25 10 false *a 2.26,0.479 2.417,0.667 0.156,0.188 10 false A 1.938,0.479 2.083,0.667 0.146,0.188 10 false B 1.292,0.479 1.417,0.667 0.125,0.188 10 false C 0.938,0.479 1.083,0.667 0.146,0.188 10 false D 0.552,2.281 0.854,2.458 0.302,0.177 10 false L6 2.021,2.792 2.542,3.01 0.521,0.219 10 false BDL+ 0.885,2.792 1.354,3.01 0.469,0.219 10 false BDL-
*1 Side Airbag Pressure Sensor LH
*2 Airbag ECU Assembly
*3 Wire Harness
*a Front view of wire harness connector
(to Side Airbag Pressure Sensor LH)


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

Standard Voltage:
Tester Connection Switch Condition Specified Condition
L6-2 (BDL+) - Body ground Ignition switch ON Below 1 V
L6-1 (BDL-) - Body ground Ignition switch ON Below 1 V


Result:
Proceed to
OK
NG



d.

Turn the ignition switch off.


e.

Disconnect the cable from the negative (-) auxiliary battery terminal.

CAUTION:

Wait at least 60 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.




OK

6.CHECK HARNESS AND CONNECTOR (OPEN)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

6.CHECK HARNESS AND CONNECTOR (OPEN)
a.

Using a service wire, connect terminals 32 (BBL+) and 31 (BBL-) of connector B.

NOTICE:

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



b.
C465722C01
0.74,0.833 1.125,1.073 0.385,0.24 0.958,3.729 1.302,3.958 0.344,0.229 2.24,1.708 2.24,1.958 2.24,1.958 2.385,1.958 false 1.677,1.74 2.188,1.302 true 2.573,1.667 2.313,1.313 true 1.667,2.854 1.667,2.604 false 1.479,4.292 1.781,3.865 true 2.354,4.292 2.01,3.865 true 0.625,2.448 0.854,2.719 0.229,0.271 10 false *1 2.552,2.781 2.875,2.958 0.323,0.177 10 false *2 1.615,2.865 1.948,3.115 0.333,0.25 10 false *3 2.427,1.885 2.854,2.281 0.427,0.396 10 false *4 0.677,0.188 1.177,0.688 0.5,0.5 10 false *b 0.708,3.427 1.156,3.813 0.448,0.385 10 false *a 2.177,2.458 2.323,2.667 0.146,0.208 10 false A 1.875,2.458 1.99,2.667 0.115,0.208 10 false B 1.281,2.458 1.49,2.667 0.208,0.208 10 false C 0.979,2.458 1.167,2.667 0.188,0.208 10 false D 1,3.75 1.302,3.958 0.302,0.208 10 false L6 0.781,0.875 1.135,1.094 0.354,0.219 10 false O1 2.594,1.667 3.031,1.938 0.438,0.271 10 false BBL+ 1.469,1.74 1.917,2.125 0.448,0.385 10 false BBL- 2.219,4.333 2.667,4.573 0.448,0.24 10 false BDL+ 1.344,4.333 1.781,4.563 0.438,0.229 10 false BDL-
*1 Side Airbag Pressure Sensor LH
*2 Airbag ECU Assembly
*3 Wire Harness
*4 Service Wire
*a Front view of wire harness connector
(to Side Airbag Pressure 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
L6-2 (BDL+) - L6-1 (BDL-) Always Below 1 Ω


Result:
Proceed to
OK
NG



c.

Disconnect the service wire from connector B.



OK

7.CLEAR DTC

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

7.CLEAR DTC
a.
C238328C01
0.719,0.813 1.073,1.24 0.354,0.427 10 false *1 1.104,0.813 1.354,1.25 0.25,0.438 10 false D 1.26,0.813 1.573,1.167 0.313,0.354 10 false C 1.729,0.813 2.031,1.073 0.302,0.26 10 false B 1.885,0.813 2.135,1.073 0.25,0.26 10 false A 2.323,1.135 2.646,1.385 0.323,0.25 10 false *2
*1 Side Airbag Pressure Sensor RH
*2 Airbag ECU Assembly


Connect the connector to the airbag ECU assembly.


b.

Interchange the side airbag pressure sensor LH with RH and connect the connectors.


c.

Connect the cable to the negative (-) auxiliary battery terminal.


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.


Result:
Proceed to
NEXT



NEXT

8.CHECK SIDE AIRBAG PRESSURE SENSOR LH
8.CHECK SIDE AIRBAG PRESSURE SENSOR LH
a.

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


b.

Check for DTCs.

Body Electrical > SRS Airbag > Trouble Codes
50001 444
Result:
Result Proceed to
B009B83 is output A
B009E83 is output B
B009B83 and B009E83 are not output C


HINT:

Codes other than DTCs B009B83 and B009E83 may be output at this time, but they are not related to this check.



c.

Turn the ignition switch off.


d.

Disconnect the cable from the negative (-) auxiliary battery terminal.

CAUTION:

Wait at least 60 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.



e.

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



A

REPLACE AIRBAG ECU ASSEMBLY

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


B

REPLACE SIDE AIRBAG PRESSURE SENSOR LH

Click hereVehicle Interior>SUPPLEMENTAL RESTRAINT SYSTEMS>SIDE AIRBAG SENSOR (for Front Door)>REMOVAL


C

USE SIMULATION METHOD TO CHECK

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