B2948

Refer to one of the following Theft Deterrent System Schematics:
^ PASS-key LHD
^ Pass-key RHD

Diagnostic Chart:

CIRCUIT DESCRIPTION
Theft Deterrent (VTD) Module supplies the reader exciter battery voltage at terminal C, CKT 1459 (WHT). The VTD module monitors the input at terminal B, CKT 8136 (YEL) to determine if it is within a valid operating range.

CONDITIONS FOR SETTING THE DTC
The ignition switch is in ON, the Theft Deterrent (VTD) Module has read the key code and has detected that CKT 1459 (WHT) is shorted to battery for approximately 1 seconds or more.

ACTION TAKEN WHEN THE DTC SETS
^ Stores a DTC B2948 in the VTD module memory.
^ SERVICE THEFT SYSTEM driver warning message will be displayed for this DTC.
^ The Security Indicator is illuminated.

CONDITIONS FOR CLEARING THE DTC
^ Theft Deterrent (VTD) Module detects that CKT 1459 (WHT) is no longer shorted to battery for approximately 1 seconds or more.
^ Use the On-Boards clearing DTCs feature.
^ Use a scan tool.

DIAGNOSTIC AIDS
Check CKT 1459 (WHT) for a short to battery.

TEST DESCRIPTION
The numbers refer to the step numbers on the diagnostic table:
1. Perform the Theft Deterrent System Diagnostic System Check before continuing with the diagnosis of this DTC.
2. Determines whether the malfunction is in the VTD module.
3. Determines whether the malfunction is in the circuit or the reader exciter.
7. Clear all DTCs after the repair procedure is complete.