Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Left Side Restraints Sensor 5 Signal Above Allowable Range (B009B85)

Toyota Corolla Cross (2022-2024) Service Manual / Vehicle Interior / Supplemental Restraint Systems / Airbag System / Left Side Restraints Sensor 5 Signal Above Allowable Range (B009B85)

DESCRIPTION

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Warning Indicate

Test Mode / Check Mode

B009B85

Left Side Restraints Sensor 5 Signal Above Allowable Range

Either condition is met:

  • Side airbag pressure sensor LH malfunction
  • Airbag ECU assembly malfunction
  • Side airbag pressure sensor LH
  • Airbag ECU assembly

Comes on

Not applicable
DTC Detection Conditions:
 

Vehicle Condition

Pattern 1

Pattern 2

Diagnosis Condition

Ignition switch ON

○

○

Malfunction Status

Side airbag pressure 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

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

  • After replacing the airbag ECU assembly, refer to initialization.

    Click here

PROCEDURE

1.

CHECK SIDE AIRBAG PRESSURE SENSOR LH

(a) Turn the ignition switch off.

*1

Side Airbag Pressure 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 side airbag pressure 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
NEXT

2.

CHECK SIDE AIRBAG PRESSURE SENSOR LH

(a) Turn the ignition switch off.

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

(c) Check for DTCs.

Body Electrical > SRS Airbag > Trouble Codes
Result

Proceed to

B009B85 is output

A

B009E85 is output

B

B009B85 and B009E85 are not output

C

HINT:

Codes other than DTCs B009B84 and B009E84 may be output at this time, but they are not related to this check.

(d) Turn the ignition switch off.

(e) 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.

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

A

REPLACE AIRBAG ECU ASSEMBLY

B

REPLACE SIDE AIRBAG PRESSURE SENSOR LH

C

USE SIMULATION METHOD TO CHECK

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