B1662

DTC B1662/45 Indicator Light Circuit Malfunction

DESCRIPTION

DTC Detecting Conditions:

The indicator lamp circuit consists of the center airbag sensor assembly and the combination meter. DTC B1662/45 is set when a malfunction is detected in the indicator light circuit.

Wiring Diagram:

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 center airbag sensor assembly 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 center airbag sensor assembly.
d. Disconnect the connectors from the steering pad.
e. Disconnect the connector from the front passenger airbag assembly.
f. Disconnect the connector from the front seat outer belt assembly LH.
g. Disconnect the connector from the front seat outer belt assembly RH.

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

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.

Step 1-3:

Step 3(Continued)-5:

Step 5(Continued)-7:

Step 7(Continued):