Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Front Airbag Sensor (RH) (B1610)

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual / Vehicle Interior / Supplemental Restraint Systems / Airbag System / Front Airbag Sensor (RH) (B1610)

DESCRIPTION

The front airbag sensor RH circuit consists of the airbag sensor assembly and front airbag sensor RH.

The front airbag sensor RH detects impacts to the vehicle and sends signals to the airbag sensor assembly to determine if the airbags, pretensioners and selectable force limiter should be deployed.

DTC B1610 is stored when a malfunction is detected in the front airbag sensor RH.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Warning Indicate

Test Mode / Check Mode

B1610

Front Airbag Sensor (RH)
  • Front airbag sensor RH malfunction
  • Airbag sensor assembly malfunction
  • Front airbag sensor RH
  • Airbag sensor assembly

Comes on

Does not apply to test/check mode

WIRING DIAGRAM

Click here

CAUTION / NOTICE / HINT

NOTICE:

After turning the engine 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 FRONT AIRBAG SENSOR RH

(a) Turn the engine switch off.

*1

Front 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 front airbag sensor RH with LH and connect the connectors.

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

(e) Turn the engine switch on (IG), and wait for at least 60 seconds.

(f) Clear the DTCs stored in memory.

Body Electrical > SRS Airbag > Clear DTCs

(g) Turn the engine switch off.

(h) Turn the engine switch on (IG), and wait for at least 60 seconds.

(i) Check for DTCs.

Body Electrical > SRS Airbag > Trouble Codes

HINT:

Codes other than DTCs B1610 and B1615 may be output at this time, but they are not related to this check.

Result

Proceed to

DTCs B1610 and B1615 are not output.

A

DTC B1610 is output.

B

DTC B1615 is output.

C

(j) Turn the engine 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 front airbag sensor RH and LH to their original positions and connect the connectors.

A

USE SIMULATION METHOD TO CHECK

B

REPLACE AIRBAG SENSOR ASSEMBLY

C

REPLACE FRONT AIRBAG SENSOR RH

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