B1638

DTC B1638/86 Short to B+ in Rear Curtain Shield Squib LH Circuit

DESCRIPTION

DTC Detecting Condition:

The rear curtain shield squib LH circuit consists of the center airbag sensor assembly and the curtain shield airbag assembly LH.

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

DTC B1638/86 is recorded when a short to B+ is detected in the rear curtain shield squib LH circuit.

Wiring Diagram:

INSPECTION PROCEDURE

HINT:
- Perform the simulation method by selecting the "check mode" (signal check) with the intelligent tester.
- After selecting the "check mode" (signal check), perform the simulation method by wiggling each connector of the airbag system or driving the vehicle on a city or rough road.

Step 1:

Step 2-3:

Step 3 (Continued):