Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Left Frontal Restraints Sensor Signal Below Allowable Range (B009084)

Toyota Corolla Cross (2022-2024) Service Manual / Vehicle Interior / Supplemental Restraint Systems / Airbag System / Left Frontal Restraints Sensor Signal Below Allowable Range (B009084)

DESCRIPTION

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Warning Indicate

Test Mode / Check Mode

B009084

Left Frontal Restraints Sensor Signal Below Allowable Range

One of the following conditions is met:

  • Front airbag sensor LH malfunction
  • Airbag ECU assembly malfunction
  • Front airbag sensor LH
  • Airbag ECU assembly

Comes on

Does not apply to test/check mode

DTC Detection Conditions:
 

Vehicle Condition

Pattern 1

Pattern 2

Diagnosis Condition

Ignition switch ON

Malfunction Status

Front airbag sensor LH malfunction

-

Airbag ECU assembly malfunction

-

Detection Time

-

-

Number of Trips

1 trip

1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.

WIRING DIAGRAM

Click here

CAUTION / NOTICE / HINT

NOTICE:

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

Click here

HINT:

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

Click here

PROCEDURE

1.

CLEAR DTC

(a) Turn the ignition switch off.

*1

Front Airbag Sensor RH

*2

Airbag ECU Assembly

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

CAUTION:

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

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

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

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

(f) Clear the DTCs stored in memory.

Body Electrical > SRS Airbag > Clear DTCs

(g) Turn the ignition switch off.

NEXT

2.

CHECK FRONT AIRBAG 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

Result

Proceed to

B009084 is output

A

B009584 is output

B

B009084 and B009584 are not output

C

HINT:

Codes other than DTCs B009084 and B009584 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 (-) battery terminal.

CAUTION:

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

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

A

REPLACE AIR BAG ECU ASSEMBLY

B

REPLACE FRONT AIRBAG SENSOR LH

C

USE SIMULATION METHOD TO CHECK

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