B3292

CIRCUIT DESCRIPTION
The switch that failed and generated this diagnostic trouble code (DTC) is wired to one of the passenger door modules. These modules contain a microprocessor which takes the signal generated by this switch and assigns a digital message to the switch signal. The door module then sends this message over the power door serial data link to the driver door module (DDM).

CONDITIONS FOR RUNNING THE DTC
The DDM and the passenger door modules all must both be powered and can not have B1327- Battery Voltage Low or B1328-Battery Voltage High set for one of these DTCs to set. If one of the DTCs indicating a loss of communications with a door module is set, the setting of DTCs from that module is prohibited.

CONDITIONS FOR SETTING THE DTC
If the driver door module (DDM) receives a message indicating that a window switch is closed for more than 15 continuous seconds from a passenger door module, the DDM sets the DTC.

ACTION TAKEN WHEN THE DTC SETS
The action taken depends on which switch is closed:
^ If an UP switch is closed for more than 15 seconds, both UP and DOWN movement is prohibited.
^ If a DOWN switch is closed for more than 15 seconds, the DOWN movement is prohibited but UP movement is permitted.

CONDITIONS FOR CLEARING THE DTC
The DDM clears this current DTC when the switch message is not received, or when the module power mode changes from OFF to RUN, and stores the DTC as history. The history DTC will clear either after 50 OFF/ON ignition switch cycles without a repeated failure, or in response to a scan tool command.

TEST DESCRIPTION

Steps 1-10:

The number(s) below refer to the step number(s) on the diagnostic table.
2. Check the module input state using the normal input status.
3. Check to see that the input is seen by the module.
4. Check to see that the signal lines to the module are open with the switch removed.
5. Check to see that the signal circuits are not shorted.