Airbag System

DTC B1655/37 SEAT BELT BUCKLE SWITCH (D SEAT SIDE) MALFUNCTION

CIRCUIT DESCRIPTION

DTC Detecting Condition:

The seat belt buckle switch LH circuit consists of the airbag sensor assembly center and the front seat inner belt assembly LH (seat belt buckle switch LH).

DTC B1655/37 is recorded when a malfunction is detected in the seat belt buckle switch (D seat side) circuit.

Wiring Diagram:

Step 1-2:

Step 3-4:

Step 5-6:

Step 7-8:

Step 9:

INSPECTION PROCEDURE

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

a. Turn the ignition switch off.
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 connectors from the front passenger airbag assembly.
f. Disconnect the connector from the instrument panel airbag assembly lower No.1.
g. Disconnect the connectors from the front seat airbag assembly LH and RH.
h. Disconnect the connectors from the curtain shield airbag assembly LH and RH.
i. Disconnect the connectors from the front seat outer belt assembly LH and RH.