Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001HSIS
Model Year Start: 2020 Model: GR Corolla Prod Date Range: [03/2019 - 09/2022]
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for TMMMS Made): B162A; Side Airbag Sensor Assembly No.2 (RH); 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 09/2022]

DTC

B162A

Side Airbag Sensor Assembly No.2 (RH)

DESCRIPTION

The side collision sensor RH circuit (bus 2) consists of the airbag sensor assembly and side No. 1 airbag sensor RH.

The side No. 1 airbag sensor RH detects impacts to the vehicle and sends signals to the airbag sensor assembly to determine if the airbags and pretensioners should be deployed.

DTC B162A is stored when a malfunction is detected in the side No. 1 airbag sensor RH.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Warning Indicate

Test Mode / Check Mode

B162A

Side Airbag Sensor Assembly No.2 (RH)
  • Side No. 1 airbag sensor RH malfunction
  • Airbag sensor assembly malfunction
  • Side No. 1 airbag sensor RH
  • Airbag sensor assembly

Comes on

Does not apply to test/check mode

WIRING DIAGRAM

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CAUTION / NOTICE / HINT

NOTICE:

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

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PROCEDURE

1.

CHECK SIDE NO. 1 AIRBAG SENSOR RH

(a) Turn the ignition switch off.

*1

Side No. 1 Airbag Sensor LH

*2

Airbag Sensor Assembly

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

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(c) Interchange the side No. 1 airbag sensor RH with LH 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.

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

(i) Check for DTCs.

Body Electrical > SRS Airbag > Trouble Codes

HINT:

Codes other than DTCs B162A and B163A may be output at this time, but they are not related to this check.

Result

Proceed to

DTC B162A is output.

A

DTC B163A is output.

B

DTCs B162A and B163A are not output.

C

(j) Turn the ignition switch off.

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

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(l) Return the side No. 1 airbag sensor RH and LH to their original positions and connect the connectors.

A

REPLACE AIRBAG SENSOR ASSEMBLY

B

REPLACE SIDE NO. 1 AIRBAG SENSOR RH

C

USE SIMULATION METHOD TO CHECK