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B1821

DTC B1821 OPEN IN SIDE SQUIB (RH) CIRCUIT

CIRCUIT DESCRIPTION

DTC Detection Condition:




The side squib RH circuit consists of the airbag sensor assembly and the side airbag assembly RH.

The circuit instructs the SRS to deploy when deployment conditions are met.

These DTCs are recorded when a malfunction is detected in the side squib RH circuit.

Wiring Diagram:






Step 1:




Step 2 - 3:




Step 4 - 5:




Step 6:




Step 7:




Step 8:




Step 9:




Step 10:




INSPECTION PROCEDURE

CAUTION: Be sure to perform the following procedures before troubleshooting to avoid unexpected airbag deployment.

a. Turn the ignition switch to the LOCK position.
b. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
c. Disconnect the connectors from the airbag sensor assembly.
d. Disconnect the connectors from the steering wheel pad.
e. Disconnect the connectors from the front passenger airbag assembly.
f. w/ Side and curtain shield airbag:
Disconnect the connectors from the side airbag assembly LH and RH.
g. w/ Side and curtain shield airbag:
Disconnect the connectors from the curtain shield airbag assembly LH and RH.
h. Disconnect the connectors from the front seat outer belt LH and RH.