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Home >> Toyota >> 2020 >> RAV4 XLE, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Airbag System - Diagnostic Codes (1 Of 2)) >> Airbag System >> DTC B162B: Side Airbag Sensor Assembly No. 2 Lost Communication (RH); DTC B162C: Side Airbag Sensor Assembly No. 2 Initialization Error (RH); DTC B1694: No. 2 Side Satellite Sensor Bus RH Initialization Incomplete [08/2020 - ] >> Description

DTC B162B: Side Airbag Sensor Assembly No. 2 Lost Communication (RH); DTC B162C: Side Airbag Sensor Assembly No. 2 Initialization Error (RH); DTC B1694: No. 2 Side Satellite Sensor Bus RH Initialization Incomplete [08/2020 - ]: Description

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The side collision sensor RH circuit consists of the airbag ECU assembly and floor side airbag sensor RH.

The floor side airbag sensor RH detects impacts to the vehicle and send signals to the airbag ECU assembly to determine if the SRS should be deployed.

These DTCs are stored when a malfunction is detected in the No. 2 side collision sensor RH circuit.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode
B162B Side Airbag Sensor Assembly No. 2 Lost Communication (RH) One of the following conditions is met:
  • The airbag ECU assembly detects a line short, short to ground or B+, or an open in the side collision sensor RH circuit.
  • A floor side airbag sensor RH malfunction.
  • An airbag ECU assembly malfunction.
  • Floor wire
  • Floor side airbag sensor RH
  • Airbag ECU assembly
Comes on Not applicable
B162C Side Airbag Sensor Assembly No. 2 Initialization Error (RH) One of the following conditions is met:
  • The airbag ECU assembly detects a line short, short to ground or B+, or an open in the side collision sensor RH circuit.
  • A floor side airbag sensor RH malfunction.
  • An airbag ECU assembly malfunction.
  • Floor wire
  • Floor side airbag sensor RH
  • Airbag ECU assembly
Comes on Not applicable
B1694 No. 2 Side Satellite Sensor Bus RH Initialization Incomplete One of the following conditions is met:
  • The airbag ECU assembly detects a line short, short to ground or B+, or an open in the side collision sensor RH circuit.
  • A floor side airbag sensor RH malfunction.
  • An airbag ECU assembly malfunction.
  • Floor wire
  • Floor side airbag sensor RH
  • Airbag ECU assembly
Comes on Not applicable