B1660

DTC B1660 PASSENGER AIRBAG ON/OFF INDICATOR LIGHT CIRCUIT MALFUNCTION

CIRCUIT DESCRIPTION

DTC Detecting Conditions:

The passenger airbag ON/OFF indicator light circuit consists of the airbag sensor assembly center and the passenger seat belt warning lamp assembly.

This circuit indicates the operation condition of the front passenger airbag assembly, the front seat airbag assembly RH and passenger side seat belt pretensioner.

DTC B1660/43 is set when a malfunction is detected in the passenger airbag ON/OFF indicator circuit.

Wiring Diagram:

Step 1 - 2:

Step 3 - 5:

Step 6 - 7:

Step 8 - 10:

Step 11 - 12:

Step 13 - 14:

Step 15 - 16:

Step 17:

INSPECTION PROCEDURE

CAUTION: In order to prevent unexpected airbag deployment, disconnect the following connectors before inspecting parts such as wire harnesses, if the application of tester probes to the airbag sensor assembly center connector is necessary.

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.

HINT: Skip steps (f) to (i) if side and curtain shield airbags are not fitted.

f. Disconnect the connector from the front seat airbag assembly LH.
g. Disconnect the connector from the front seat airbag assembly RH.
h. Disconnect the connector from the curtain shield airbag assembly LH.
i. 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.