Airbag System

DTC 35 SEAT POSITION SENSOR ASSEMBLY MALFUNCTION

CIRCUIT DESCRIPTION

DTC Detecting Condition:

The seat position sensor assembly circuit consists of the airbag ECU assy and the seat position airbag sensor.
DTC B1653 is recorded when a malfunction is detected in the seat position sensor assembly circuit.

Wiring Diagram:

Step 1:

Step 2 - 3:

Step 4 - 5:

Step 6 - 7:

Step 8:

INSPECTION PROCEDURE

CAUTION: Be sure to perform the following procedures before troubleshooting to avoid unexpected airbag deployment.
a. Turn the power 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 ECU assy.
d. Disconnect the connectors from the horn button assy.
e. Disconnect the connectors from the front passenger airbag assy.
f. Disconnect the connector from the front seat airbag assy LH.
g. Disconnect the connector from the front seat airbag assy RH.
h. Disconnect the connector from the curtain shield airbag assy LH.
i. Disconnect the connector from the curtain shield airbag assy RH.
j. Disconnect the connector from the front seat outer belt assy LH.
k. Disconnect the connector from the front seat outer belt assy RH.