Circuit Description
Battery positive voltage is supplied to the folding top control (FTC) module from the BAT MAIN 2 fuse. When commanded, this voltage is used by the FTC module to power the folding top pump motor through the motor control circuits. When an over current condition is detected, the FTC module disables the folding top pump motor in order to protect the internal FTC module circuitry.
DTC Descriptor
This diagnostic procedure supports the following DTC:
DTC B1011 System Disabled Information Stored
Conditions for Running the DTC
The FTC module monitors for over current only when the power folding top pump motor is active.
Conditions for Setting the DTC
The FTC module looks for the following 3 possible over current conditions independently of each other:
| • | High over current-The FTC module will set DTC B1011 when the measured current exceeds 90 amps for 30 milliseconds. This tests runs every 3 milliseconds. |
| • | Medium over current-The FTC module will set DTC B1011 when the measured current exceeds 60 amps for 1 seconds. This tests runs every 3 seconds. |
| • | Low over current-The FTC module will set DTC B1011 when the measured current exceeds 40 amps for 30 seconds. This tests runs every 100 milliseconds. |
Action Taken When the DTC Sets
| • | All folding top functions in progress are aborted, including calibrations of the folding top. |
| • | The FTC module will suspend operation of the folding top pump motor. |
Conditions for Clearing the DTC
| • | The DTC will clear on the current status after the condition for setting the fault is corrected. |
| • | A history DTC will clear after 50 consecutive ignition cycles without a fault present. |
| • | A history and current DTC can be cleared using the scan tool. |
Diagnostic Aids
Perform a visual inspection for loose or poor connections at all related components. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
Test Description
The numbers below refer to the step numbers on the diagnostic table.
-
This test determines if the suspect motor has an internal short to ground.
-
This test verifies the repair.
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Folding Top Schematics Connector End View Reference: Power Roof Systems Connector End Views | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 |
Did the scan tool display DTC B1011? | Go to Step 3 | Go to Diagnostic Aids |
Does the test lamp illuminate with each command? | Go to Step 4 | Go to Step 5 | |
4 | Test the motor control circuits of the folding top pump motor for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 6 |
5 | Inspect for poor connections at the harness connector of the folding top pump motor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 7 |
6 | Inspect for poor connections at the harness connector of the folding top control (FTC) module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 8 |
7 | Replace the folding top pump, valve, and motor assembly. Refer to Folding Top Pump with Motor Replacement . Did you complete the replacement? | Go to Step 9 | -- |
8 | Replace the FTC module. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? | Go to Step 9 | -- |
Does the DTC reset? | Go to Step 2 | System OK | |
