Circuit Description
The circuit for the passenger window switch on the driver 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 power window switches, as the switch contains an internal microprocessor. The LH front power window switch assembly reports all switch activity as SBI messages to the DDM. The actual diagnostic software for DTC B2213 is contained in the DDM. This program is run once every 300 milliseconds. Faults involving the DDM or the SBI may set other DTCs and affect the operation of the power door locks and the outside rearview mirrors.
Conditions for Setting the DTC
DTC B2213 is set current if the SBI messages from the LH front power window switch indicates that the passenger window switch has been in the DOWN 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 DOWN input cycles off or when the power mode changes from OFF to RUN. |
| • | The 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 fault. |
| • | If DTC B2213 is current, cycle the ignition switch from OFF to RUN. If the DTC is still current, perform the following diagnostic system check. |
Test Description
The numbers below refer to the step numbers on the diagnostic table.
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Perform the Power Door Diagnostic System Check prior to continuing the diagnosis of this DTC.
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This step tests for other set DTCs.
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This step verifies the operation of all of the power windows.
-
This step tests the LH front power window switch.
Step | Action | Value(s) | Yes | No | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Did you perform the Power Door Diagnostic System Check? | -- | Go to Step 2 | ||||||||||||||||||
Inspect the scan tool for the following DTCs:
Are all of the above DTCs set? | -- | Go to Step 6 | Go to Step 3 | |||||||||||||||||
Do all of the windows function properly? | -- | Go to Step 5 | Go to Step 6 | |||||||||||||||||
4 | Replace the LH front power window switch. Refer to Front Side Door Window Switch Replacement . Is the repair complete? | -- | Go to Step 7 | -- | ||||||||||||||||
Do windows function properly? | -- | Go to Step 4 | ||||||||||||||||||
6 | Replace the DDM. Refer to Front Door Module Replacement Is the repair complete? | -- | Go to Step 7 | -- | ||||||||||||||||
7 |
Are all of the DTCs cleared? | -- | -- |
