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

SUPPLEMENTAL RESTRAINT SYSTEMS  AIRBAG SYSTEM  SRS Warning Light does not Come ON  


DESCRIPTION

The SRS warning light is located in the combination meter assembly.

When the SRS is normal, the SRS warning light comes on for approximately 6 seconds after the ignition switch is turned from off to ON, and then turns off automatically.

If there is a malfunction in the SRS, the SRS warning light comes on to inform the driver of a problem.

WIRING DIAGRAM

E516241E01
4.688,0.813 5.531,1.146 0.844,0.333 10 false A/BAG-IGR 3.604,3.01 3.99,3.302 0.385,0.292 10 false ES 3.375,1.729 3.604,1.979 0.229,0.25 10 false 6 3.396,2.906 3.573,3.219 0.177,0.313 10 false 2 6.021,0.615 6.438,0.938 0.417,0.323 10 false IGR 6.021,2.542 6.438,2.844 0.417,0.302 10 false E1 6.021,3.031 6.438,3.323 0.417,0.292 10 false E2 5.99,3.625 6.656,3.823 0.667,0.198 10 false I47 3.354,3.542 3.938,3.75 0.583,0.208 10 false I4 5.969,3.813 6.719,4.615 0.75,0.802 10 false Airbag ECU Assembly 3.333,3.771 4.552,4.521 1.219,0.75 10 false Combination Meter Assembly 5.76,0.5 6.042,0.844 0.281,0.344 10 false 36 5.75,2.438 6.031,2.76 0.281,0.323 10 false 33 5.75,2.896 6.031,3.219 0.281,0.323 10 false 32 3.615,1.823 3.99,2.073 0.375,0.25 10 false IG+ 0.76,4.302 2.76,4.677 2,0.375 10 false : CAN Communication Line 2.813,0.594 4.281,1.052 1.469,0.458 10 false from IGR NO. 1 Relay 0.604,1.063 1.958,1.583 1.354,0.521 10 false from Engine Stop and Start ECU*1 3.396,2.438 3.573,2.75 0.177,0.313 10 false 1 3.604,2.542 3.99,2.833 0.385,0.292 10 false EP 0.51,1.833 2.344,2.25 1.833,0.417 10 false from IGR NO. 1 Relay*2 2.344,2.01 3.313,2.344 0.969,0.333 10 false METER-IGR 0.24,3.646 2.24,4.021 2,0.375 10 false *1: w/ Stop and Start System 0.24,3.948 2.24,4.323 2,0.375 10 false *2: w/o Stop and Start System 2.625,0.969 2.906,1.292 0.281,0.323 10 false *1 2.625,1.677 2.906,2 0.281,0.323 10 false *2

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


·

Inspect the fuses for circuits related to this system before performing the following procedure.

·

When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.



PROCEDURE

1.CHECK AUXILIARY BATTERY VOLTAGE
a.

Measure the voltage of the auxiliary battery with the ignition switch off.

Standard Voltage:

11 to 14 V



Result:
Proceed to
OK
NG



OK

2.CHECK CONNECTION OF CONNECTOR

NG

REPLACE OR RECHARGE AUXILIARY BATTERY

2.CHECK CONNECTION OF CONNECTOR
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 connector is properly connected to the combination meter assembly.

OK:

The connector is properly connected.



Result:
Proceed to
OK
NG



OK

3.CHECK CONNECTOR

NG

CONNECT CONNECTOR PROPERLY

3.CHECK CONNECTOR
a.

Disconnect the connector from the combination meter assembly.


b.

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

OK:

The terminals are not deformed or damaged.



Result:
Proceed to
OK
NG



OK

4.CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - AUXILIARY BATTERY AND BODY GROUND)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - AUXILIARY BATTERY AND BODY GROUND)
a.
E436104
1.469,0.219 1.885,0.469 0.417,0.25 2.656,0.958 2.99,0.625 true 1.104,1.844 0.927,1.01 true 0.354,1.031 0.708,1.031 true 0.083,0.052 0.51,0.406 0.427,0.354 10 false *a 3.042,0.5 3.375,0.719 0.333,0.219 10 false IG+ 1.042,1.854 1.344,2.125 0.302,0.271 10 false ES 1.615,0.25 1.948,0.427 0.333,0.177 10 false I4 0.125,0.927 0.427,1.198 0.302,0.271 10 false EP
*a Front view of wire harness connector
(to Combination Meter Assembly)


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


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
I4-6 (IG+) - Body ground Ignition switch ON 10.5 to 16 V*1
11 to 14 V*2


*1: w/ Stop and Start System

*2: w/o Stop and Start System



d.

Turn the ignition switch off.


e.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I4-1 (EP) - Body ground Always Below 1 Ω
I4-2 (ES) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

5.CHECK SRS WARNING LIGHT

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.CHECK SRS WARNING LIGHT
a.
C414927C09
1.719,1.594 1.719,1.146 false 0.802,0.99 1.073,1.24 0.271,0.25 10 false *1 2.688,1 3.052,1.26 0.365,0.26 10 false *2 1.656,1.604 2.021,1.865 0.365,0.26 10 false *3
*1 Combination Meter Assembly
*2 Airbag ECU Assembly
*3 Wire Harness


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.



b.

Connect the connector to the combination meter assembly.


c.

Disconnect the connector from the airbag ECU assembly.


d.

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


e.

Turn the ignition switch to ON and check the SRS warning light condition.

OK:

After the primary check period, the SRS warning light turns off for approximately 10 seconds and then turns back on.


HINT:

The primary check period is approximately 6 seconds after the ignition switch is turned to ON.



Result:
Proceed to
OK
NG



OK

REPLACE AIRBAG ECU ASSEMBLY

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


NG

REPLACE COMBINATION METER ASSEMBLY

Click hereVehicle Interior>METER / GAUGE / DISPLAY>COMBINATION METER>REMOVAL