Test R: LFC 52/DTC B2439 - Passenger Seat Belt Buckle Switch Circuit Resistance Out of Range

R1:

R1:

R2:

R2 - R4:

R4 - R6:

R6 - R7:

R8 - R9:

Normal Operation
The Restraints Control Module (RCM) checks the passenger seat belt buckle switch circuits for faults. If the RCM detects an short to ground fault, it will store Diagnostic Trouble Code (DTC) B2439 in memory and flash Lamp Fault Code (LFC) 52 (or higher priority code if one exists) on the air bag indicator.

Possible Causes
A passenger seat belt buckle switch current out of range fault can be caused by:
^ Wiring, terminals, or connectors.
^ A faulty passenger seat belt buckle switch.
^ A faulty RCM.