DTC B1631/84 Open in Rear Curtain Shield Squib RH Circuit
DESCRIPTION
The rear curtain shield squib RH circuit consists of the center airbag sensor assembly and the curtain shield airbag assembly RH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B1631/84 is recorded when an open circuit is detected in the rear curtain shield squib RH circuit.
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DTC No. |
DTC Detecting Condition |
Trouble Area |
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B1631/84 |
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INSPECTION PROCEDURE
HINT:
1 CHECK CURTAIN SHIELD AIRBAG ASSEMBLY RH (REAR CURTAIN SHIELD SQUIB RH)

CAUTION: Never connect a tester to the curtain shield airbag assembly RH (Rear curtain shield squib RH) for measurement, as this may lead to a serious injury due to airbag deployment.
NOTICE: Do not forcibly insert the SST into the terminals of the connector when connecting.
Insert the SST straight into the terminals of the connector.
SST 09843-18060
OK: DTC B1631/84 is not output.
HINT: Codes other than DTC B1631/84 may be output at this time, but they are not related to this check.
Go to step 2

REPLACE CURTAIN SHIELD AIRBAG ASSEMBLY RH
2 CHECK FLOOR WIRE NO.2 (REAR CURTAIN SHIELD SQUIB RH CIRCUIT)

Standard resistance

REPAIR OR REPLACE FLOOR WIRE
NO.2

3 CHECK CENTER AIRBAG SENSOR ASSEMBLY

OK: DTC B1631/84 is not output. HINT: Codes other than DTC B1631/84 may be output at this time, but they are not related to this check.
REPLACE CENTER AIRBAG SENSOR
ASSEMBLY

USE SIMULATION METHOD TO CHECK
Short in Rear Curtain Shield Squib RH Circuit
Short to GND in Rear Curtain Shield Squib RH
CircuitReassembly
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differential pinion No.2, front differential pinion thrust
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