Avenger Sebring Coupe Stratus Coupe 1999 2006
Any diagnosis of the power top system should begin with the use of a scan tool and the appropriate Diagnostic Procedures Information. The scan tool can confirm that the Programmable Communications Interface (PCI) data bus is functional, that all electronic modules are sending and receiving the correct messages on the PCI data bus, and that the power top motor is receiving the correct hard-wired output from the Body Control Module (BCM). A 12-volt test light should be placed between the fused B+ and the power top UP relay control terminals on the harness side of the connector. With the ignition switch in the RUN position, operating the power top switch in the UP direction should illuminate the test light. The same procedure should be followed for the power top DOWN relay control terminals. With the ignition switch still in the RUN position, operating the power top switch in the DOWN direction should also illuminate the test light. After turning the ignition switch to the OFF position, the BCM should be disconnected. An ohmmeter should be used to check for continuity on the power top UP and DOWN circuits between the BCM and the power top relay assembly, ensuring continuity is present. The power top system allows the convertible top to be raised and lowered electrically by actuating a switch located in the center floor console. The system receives battery feed through a fuse in the Power Distribution Center (PDC) when the ignition switch is in the ON position. The power top motor is part of the motor/hydraulic pump assembly and cannot be serviced separately. If the motor is inoperative, the entire assembly must be replaced. The power top switch is hard-wired to the BCM through the Power Top Switch Mux circuit. The BCM supplies a multiplexed voltage of approximately 90 percent of the ignition voltage to the power top switch. A series of resistors allows the power top switch to switch the circuit to ground, varying the circuit resistance depending on the switch position. When a top operation input is received by the BCM, it grounds the respective power top relay control circuit, which then operates the power top motor. If the power top switch is pressed and held in the down position (second detent), the BCM commands the window drop relay assembly to lower all windows fully. This second detent position lowers the convertible top while simultaneously dropping all four windows. The switch must be held in this position. When the switch is held in the top-up position, it raises the convertible top to the closed position and lowers all four windows approximately three inches to prevent seal damage. The windows must be raised to the full-up position by the vehicle operator. If the hydraulic fluid level is low, the convertible top may raise slowly or produce abnormal noise. It is essential to ensure the hydraulic fluid level is within specifications before component replacement. If diagnosing an inoperative power top switch illumination lamp, but the power top switch functions correctly, the power top switch should be replaced. An ohmmeter can be used to test the resistance between pins 2 and 3 of the power top switch, checking the resistance in each switch position and comparing these readings to the specifications.
The power top system utilizes a combination of electronic and hydraulic components to facilitate the operation of the convertible top. The initial step in diagnosing issues within this system is to utilize a scan tool, which interfaces with the vehicle's onboard diagnostics. This tool assesses the integrity of the PCI data bus, ensuring that communication between the BCM and other electronic modules is intact. If the scan tool indicates that the PCI bus is functioning correctly, further investigation into the power top motor and its associated wiring should be conducted.
The use of a 12-volt test light is critical for verifying the operation of the UP and DOWN relay control circuits. This testing method confirms that the BCM is sending the appropriate signals to the relays, which in turn energize the power top motor. If the test light does not illuminate in either the UP or DOWN positions, it indicates a potential fault in the wiring or the BCM itself.
The power top switch plays a pivotal role in the operation of the convertible top. It is directly connected to the BCM, which interprets the input from the switch and controls the operation of the power top motor through a relay system. The multiplexed signal sent to the switch allows for variable resistance based on the switch position, enabling the BCM to determine the desired action, whether raising or lowering the top.
In the second detent position, the system's design allows for simultaneous operation of the convertible top and all four windows. This feature enhances user convenience and ensures that the windows are lowered sufficiently to avoid damage during the top's operation. The requirement for the operator to raise the windows back to the fully closed position after the top is up is a necessary safety feature to maintain the vehicle's integrity.
Overall, thorough diagnostics of the power top system should include checks for hydraulic fluid levels, electrical continuity, and the operational integrity of all components involved, ensuring a reliable and efficient convertible top operation.Any diagnosis of the power top system should begin with the use of a scan tool and the proper Diagnostic Procedures Information. The scan tool can provide confirmation that the Programmable Communications Interface (PCI) data bus is functional, that all of the electronic modules are sending and receiving the proper messages on the PCI data bus, an
d that the power top motor is being sent the proper hard wired output by the Body Control Module (BCM). Place a 12-volt test light between the fused B+ and power top UP relay control terminals in the harness side of the connector.
With the ignition switch in the RUN position, operate the power top switch in the UP direction. The test light should light. Place a 12-volt test light between the fused B+ and power top DOWN relay control terminals in the harness side of the connector. With the ignition switch in the RUN position operate the power top switch in the DOWN direction. The test light should light. Turn the ignition switch to the OFF position. Disconnect the BCM. Using an ohmmeter, check for continuity on the power top UP and DOWN circuits between the BCM and the power top relay assembly.
Continuity should be present. The power top system allows the convertible top to be raised and lowered electrically by actuating a switch in the center floor console. The power top system receives battery feed through a fuse in the Power Distribution Center (PDC) when the ignition switch is in the ON position.
The power top motor is part of the motor/hydraulic pump assembly and cannot be serviced separately. If the motor is inoperative, the complete assembly must be replaced. The power top switch is hard wired to the Body Control Module (BCM) through the Power Top Switch Mux circuit. The BCM supplies a multiplexed voltage of approximately 90 percent of the ignition voltage to the power top switch.
Through a series of resistors, the power top switch switches the circuit to ground. The circuit resistance is varied depending on the switch position. When a top operation input is received by the BCM, it will ground the respective power top relay control circuit which in turn will operate the power top motor. If the power top switch is pressed and held to the down position second detent, the BCM will command the window drop relay assembly to drop all the windows to the fully down position.
Top Down/4 Window Down -This is the second detent on the switch. Holding the switch in this position lowers the convertible top and commands all 4 windows down simultaneously. The switch must be held in this position. Top Up -Holding the switch in this position raises the convertible top to the closed position. It will also lower all 4 windows approximately 3 inches to prevent seal damage. The windows must be raised to the full-up position by the vehicle operator. The convertible top will raise slowly or make abnormal noise if the hydraulic fluid level is low. Always ensure the hydraulic fluid level is within specifications prior to component replacement. Any diagnosis of the power top system should begin with the use of a scan tool and the proper Diagnostic Procedures Information.
The scan tool can provide confirmation that the Programmable Communications Interface (PCI) data bus is functional, that all of the electronic modules are sending and receiving the proper messages on the PCI data bus, and that the power top motor is being sent the proper hard wired output by the Body Control Module (BCM). If the problem being diagnosed is an inoperative power top switch illumination lamp, but the power top switch operates as designed, replace the power top switch.
Using an ohmmeter, test the resistance measured between pins 2 & 3 of the power top switch. Check the resistance in each switch position and compare these readings to the following chart. If the resistance is according to specification, use a scan tool and the proper Diagnostic Procedures Informatio 🔗 External reference
The power top system utilizes a combination of electronic and hydraulic components to facilitate the operation of the convertible top. The initial step in diagnosing issues within this system is to utilize a scan tool, which interfaces with the vehicle's onboard diagnostics. This tool assesses the integrity of the PCI data bus, ensuring that communication between the BCM and other electronic modules is intact. If the scan tool indicates that the PCI bus is functioning correctly, further investigation into the power top motor and its associated wiring should be conducted.
The use of a 12-volt test light is critical for verifying the operation of the UP and DOWN relay control circuits. This testing method confirms that the BCM is sending the appropriate signals to the relays, which in turn energize the power top motor. If the test light does not illuminate in either the UP or DOWN positions, it indicates a potential fault in the wiring or the BCM itself.
The power top switch plays a pivotal role in the operation of the convertible top. It is directly connected to the BCM, which interprets the input from the switch and controls the operation of the power top motor through a relay system. The multiplexed signal sent to the switch allows for variable resistance based on the switch position, enabling the BCM to determine the desired action, whether raising or lowering the top.
In the second detent position, the system's design allows for simultaneous operation of the convertible top and all four windows. This feature enhances user convenience and ensures that the windows are lowered sufficiently to avoid damage during the top's operation. The requirement for the operator to raise the windows back to the fully closed position after the top is up is a necessary safety feature to maintain the vehicle's integrity.
Overall, thorough diagnostics of the power top system should include checks for hydraulic fluid levels, electrical continuity, and the operational integrity of all components involved, ensuring a reliable and efficient convertible top operation.Any diagnosis of the power top system should begin with the use of a scan tool and the proper Diagnostic Procedures Information. The scan tool can provide confirmation that the Programmable Communications Interface (PCI) data bus is functional, that all of the electronic modules are sending and receiving the proper messages on the PCI data bus, an
d that the power top motor is being sent the proper hard wired output by the Body Control Module (BCM). Place a 12-volt test light between the fused B+ and power top UP relay control terminals in the harness side of the connector.
With the ignition switch in the RUN position, operate the power top switch in the UP direction. The test light should light. Place a 12-volt test light between the fused B+ and power top DOWN relay control terminals in the harness side of the connector. With the ignition switch in the RUN position operate the power top switch in the DOWN direction. The test light should light. Turn the ignition switch to the OFF position. Disconnect the BCM. Using an ohmmeter, check for continuity on the power top UP and DOWN circuits between the BCM and the power top relay assembly.
Continuity should be present. The power top system allows the convertible top to be raised and lowered electrically by actuating a switch in the center floor console. The power top system receives battery feed through a fuse in the Power Distribution Center (PDC) when the ignition switch is in the ON position.
The power top motor is part of the motor/hydraulic pump assembly and cannot be serviced separately. If the motor is inoperative, the complete assembly must be replaced. The power top switch is hard wired to the Body Control Module (BCM) through the Power Top Switch Mux circuit. The BCM supplies a multiplexed voltage of approximately 90 percent of the ignition voltage to the power top switch.
Through a series of resistors, the power top switch switches the circuit to ground. The circuit resistance is varied depending on the switch position. When a top operation input is received by the BCM, it will ground the respective power top relay control circuit which in turn will operate the power top motor. If the power top switch is pressed and held to the down position second detent, the BCM will command the window drop relay assembly to drop all the windows to the fully down position.
Top Down/4 Window Down -This is the second detent on the switch. Holding the switch in this position lowers the convertible top and commands all 4 windows down simultaneously. The switch must be held in this position. Top Up -Holding the switch in this position raises the convertible top to the closed position. It will also lower all 4 windows approximately 3 inches to prevent seal damage. The windows must be raised to the full-up position by the vehicle operator. The convertible top will raise slowly or make abnormal noise if the hydraulic fluid level is low. Always ensure the hydraulic fluid level is within specifications prior to component replacement. Any diagnosis of the power top system should begin with the use of a scan tool and the proper Diagnostic Procedures Information.
The scan tool can provide confirmation that the Programmable Communications Interface (PCI) data bus is functional, that all of the electronic modules are sending and receiving the proper messages on the PCI data bus, and that the power top motor is being sent the proper hard wired output by the Body Control Module (BCM). If the problem being diagnosed is an inoperative power top switch illumination lamp, but the power top switch operates as designed, replace the power top switch.
Using an ohmmeter, test the resistance measured between pins 2 & 3 of the power top switch. Check the resistance in each switch position and compare these readings to the following chart. If the resistance is according to specification, use a scan tool and the proper Diagnostic Procedures Informatio 🔗 External reference
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