B1900

DTC B1900 SHORT IN FRONT P/T SQUIB (RH) CIRCUIT

CIRCUIT DESCRIPTION

DTC Detecting Condition:

The front P/T squib RH circuit consists of the airbag sensor assembly center and the front seat outer belt assembly RH.

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

DTC B1900 is recorded when a short circuit is detected in the front P/T squib RH circuit.

Wiring Diagram:

Step 1 - 2:

Step 3:

Step 4:

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. Disconnect the connector from the instrument panel airbag assembly lower No.1.
g. Disconnect the connector from the instrument panel airbag assembly lower No.2.
h. Disconnect the connector from the front seat airbag assembly LH.
i. Disconnect the connector from the front seat airbag assembly RH.
j. Disconnect the connector from the curtain shield airbag assembly LH.
k. Disconnect the connector from the curtain shield airbag assembly RH.
l. Disconnect the connector from the front seat outer belt assembly LH.
m. Disconnect the connector from the front seat outer belt assembly RH.
n. Disconnect the connectors from the rear seat 3 point type outer belt assembly.