Diagnostic Instructions
| • | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
| • | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
| • | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
DTC Descriptor
DTC B3542: Left Front/Driver Window Obstruction Sensor Control CircuitCircuit/System Description
The driver door module (DDM) and passenger door module (PDM) check for hall sensor pulses of their respective window motors at least once every 50 milliseconds. When the DDM or PDM detects no hall sensor pulses in the window motor, a DTC is set.
Conditions for Running the DTC
Battery voltage must be between 9-16 volts.
Conditions for Setting the DTC
| • | The DDM or PDM detects no hall sensor pulses from the power window motor. |
| • | A RAM memory check error has been detected. |
| • | A window lifter motor error has been detected. |
| • | Under/overrun of position counter detected. |
Action Taken When the DTC Sets
No window express modes are possible.
Conditions for Clearing the DTC
| • | The condition responsible for setting the DTC no longer exists. |
| • | You issue a scan tool CLEAR DTCs command. |
Diagnostic Aids
The following conditions may cause an intermittent malfunction:
| • | An intermittent sticking or binding window causing excessive current draw resulting in a critical temperature fault. |
| • | A window motor is shorted internally. |
Reference Information
Schematic Reference
Connector End View Reference
Description and Operation
Power Windows Description and Operation
Electrical Information Reference
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Testing
Ignition ON, install a scan tool, clear all DTCs and operate the windows within the Conditions for Running the DTC.
| ⇒ | If DTC B3542 resets as current, replace the appropriate door control module. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for DDM or PDM replacement, setup, and programming
