Clearing Diagnostic Trouble Codes/DTC Check / Clear.
(g) Turn the engine switch off.
(h) Turn the engine switch on (IG), and wait for at least 60 seconds.
(i) Check for DTCs See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Reading and Clearing Diagnostic
Trouble Codes/DTC Check / Clear.
Result:
Text in Illustration
HINT
Codes other than DTC B1620/21 and B1625/22 may be output at this time, but they are not related to this check.
C -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY See: Relays and Modules/Relays and Modules - Restraints and Safety
Systems/Air Bag Control Module/Service and Repair/Removal
B -- REPLACE SIDE AIRBAG SENSOR RH
A -- USE SIMULATION METHOD TO CHECK See: Accessories and Optional Equipment/Antitheft and Alarm
Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting
From 08/2009
SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: B1620/21: Side Airbag Sensor RH Circuit Malfunction
B1620/21 - Side Airbag Sensor RH Circuit Malfunction
DESCRIPTION
The side collision sensor RH circuit (to determine deployment of the front seat side airbag assembly RH, rear seat side airbag assembly RH and
curtain shield airbag assembly RH) is composed of the center airbag sensor assembly, side airbag sensor RH (for rear side), rear airbag sensor RH
and side airbag sensor RH (for front side).
The side airbag sensor RH (for rear side) detect impacts to the vehicle and send signals to the center airbag sensor assembly to determine if the
airbag should be deployed.
DTC B1620/21 is recorded when a malfunction is detected in the side airbag sensor RH (for rear side).
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