B1630

DTC B1630 CURTAIN SHIELD AIR BAG SENSOR (D SEAT SIDE) MALFUNCTION

CIRCUIT DESCRIPTION

DTC Detecting Condition:

The air bag sensor rear LH consists of the safing sensor, the diagnostic circuit and the lateral deceleration sensor, etc.

If the air bag 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 air bag sensor (D seat side) circuit.

Wiring Diagram:

Step 1:

Step 2 - 3:

Step 4 - 5:

Step 6 - 7:

INSPECTION PROCEDURE

CAUTION: Be sure to perform the following procedures before troubleshooting to avoid unexpected air bag 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 air bag sensor assembly center.
d. Disconnect the connectors from the horn button assembly.
e. Disconnect the connectors from the front passenger air bag assembly.
f. w/ Side air bag: Disconnect the connector from the front seat air bag assembly LH.
g. w/ Side air bag: Disconnect the connector from the front seat air bag assembly RH.
h. w/ Curtain shield air bag: Disconnect the connector from the curtain shield air bag assembly LH.
i. w/ Curtain shield air bag: Disconnect the connector from the curtain shield air bag 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.