B2216

DTC B2216 RR Switch on LF Door Stuck Up Position:

CIRCUIT DESCRIPTION
The circuit for the passenger window switch on the LF door consists of the following components:
^ The LH front power window switch assembly.
^ The Simple Bus Interface (SBI).
^ The Driver Door Module (DDM).

The LH front power window switch is different from the other window switches. This switch contains an internal microprocessor. The LH front power window switch assembly reports all switch activity to the DDM. The diagnostic software for DTC B2216 is contained in the DDM. This diagnostic program runs once every 300 milliseconds. Faults involving the DDM or the SBI may set other DTCs and affect the operation of the power door locks or the outside rearview mirrors.

CONDITIONS FOR SETTING THE DTC
DTC B2216 will be set current if the SBI messages from the LH front power window switch indicates that the switch has been in the UP position for 15 consecutive seconds. This diagnostic will not run if either DTC B1982 (battery voltage high) or DTC B1983 (battery voltage low) are set current.

ACTION TAKEN WHEN THE DTC SETS
This DTC is current only when the fault is present. While this DTC is current, the DDM will ignore actuation of the LH front power window switch.

CONDITIONS FOR CLEARING THE DTC
^ This DTC will set from current to history when the window UP input cycles off or when the power mode changes from OFF to RUN.
^ A history DTC will clear after 50 cycles of the ignition switch.
^ Use a scan tool in order to clear a history DTC.

DIAGNOSTIC AIDS
^ A history DTC is evidence of an intermittent condition.
^ If DTC B2216 is current, cycle the ignition switch from OFF to RUN. If the DTC is still current, perform the following diagnostic.

TEST DESCRIPTION
The number(s) below refer to the step number(s) on the diagnostic table.
1. Perform the power door diagnostic system check before diagnosing DTC B2216.
2. This test step checks for other set DTCs.
3. This test step tests the operation of all the power windows.
5. This test step tests the function of the LH front power window switch.