B1630

DTC B1630/23 CURTAIN SHIELD AIRBAG SENSOR (D SEAT SIDE) MALFUNCTION

CIRCUIT DESCRIPTION

DTC Detecting Condition:

The airbag sensor rear LH consists of the safing sensor, the diagnostic circuit, the lateral deceleration sensor, etc.

If the airbag sensor assembly center receives signals from the lateral deceleration sensor, it determines whether or not the SRS should be activated.

DTC B1630/23 is recorded when a malfunction is detected in the curtain shield airbag sensor (D seat side) circuit.

HINT: Troubleshoot DTC B1620/21 first when the DTC B1620/21 and B1630/23 are output simultaneously.

Wiring Diagram:

Step 1:

Step 2-3:

Step 4:

Step 5:

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 center.
d. Disconnect the connectors from the horn button assembly.
e. Disconnect the connector from the front passenger airbag assembly.
f. w/ Side and curtain shield airbag:
Disconnect the connector from the front seat airbag assembly LH.
g. w/ Side and curtain shield airbag:
Disconnect the connector from the front seat airbag assembly RH.
h. w/ Side and curtain shield airbag:
Disconnect the connector from the curtain shield airbag assembly LH.
i. w/ Side and curtain shield airbag:
Disconnect the connector from the curtain shield airbag assembly RH.
j. Disconnect the connector from the front seat outer belt assembly LH.
k. Disconnect the connector from the front seat outer belt assembly RH.