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 Descriptors
DTC B3602: Convertible Top Control SwitchDiagnostic Fault Information
Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
Folding Top Control Module Battery Voltage | 1 | 1 | -- | -- |
Folding Top Control Module Control | B1420 | B1420 | -- | -- |
Folding Top Control Module Ground | -- | 1, 2 | -- | -- |
Folding Top Control Switch Battery Voltage | 2 | 2 | -- | -- |
Folding Top Control Switch Close Signal | 2 | 2 | B3602 | -- |
Folding Top Control Switch Open Signal | 2 | 2 | B3602 | -- |
Front Panel Position Sensor 5-Volt Reference | B3665, B3666, B3971 | B3665 | B3665, B3666, B3670, B3971 | -- |
Front Panel Position Sensor Signal | B3665 | B3665 | B3665 | -- |
Front Panel Position Sensor Low Reference | -- | B3665 | -- | -- |
Folding Top Position Sensor 5-Volt Reference | B3665, B3666, B3971 | B3971 | B3665, B3666, B3670, B3971 | -- |
Folding Top Position Sensor Signal | B3971 | B3971 | B3971 | -- |
Folding Top Position Sensor Low Reference | -- | B3971 | -- | -- |
Rear Panel Position Sensor 5-Volt Reference | B3665, B3666, B3971 | B3666 | B3665, B3666, B3670, B3971 | -- |
Rear Panel Position Sensor Signal | B3666 | B3666 | B3666 | -- |
Rear Panel Position Sensor Low Reference | -- | B3666 | -- | -- |
Folding Top Pump Motor Temperature Sensor 5-Volt Reference | B3665, B3666, B3971 | 2, 7 | B3665, B3666, B3971, B3670 | -- |
Folding Top Pump Motor Temperature Sensor Signal | 2, 7 | 2, 7 | B3670 | -- |
Hard Top Connected Signal | B1420 | 4, 7 | B1310 | -- |
Folding Top Closed Switch Control | B1420 | 4, 7 | -- | -- |
Front Latched Position Switch Signal | B1420, 3, 4, 7 | 3, 4, 7 | B1300 | -- |
Front Latched Position Switch Control | B1420 | 3, 4, 7 | -- | -- |
Front Unlatched Position Switch Signal | B1420, 9 | 9 | B1300 | -- |
Front Unlatched Position Switch Control | B1420 | 9 | -- | -- |
Compartment Partition Position Switch Signal | B1420, 2, 7 | 2, 7 | 8 | -- |
Compartment Partition Position Switch Control | B1420 | 2, 7 | -- | -- |
Pump Direction A Control | B1011 | 2 | -- | -- |
Pump Direction B Control | B1011 | 2 | -- | -- |
Rear Compartment Lid Open Switch Signal | B1420, 3, 4 | 3, 4 | B3669 | -- |
Rear Compartment Lid Open Switch Control | B1420 | 3, 4 | -- | -- |
Folding Top Valve 1 Control | 1 | 3 | -- | -- |
Folding Top Valve 1 - Ground | -- | 3 | -- | -- |
Folding Top Valve 2 Control | 1 | 4 | -- | -- |
Folding Top Valve 2 - Ground | -- | 4 | -- | -- |
Folding Top Valve 3 Control | 1 | 3, 4, 6 | -- | -- |
Folding Top Valve 3 - Ground | -- | 3, 4, 6 | -- | -- |
Folding Top Valve 4 Control | 1 | B1297, 3, 4, 5 | -- | -- |
Folding Top Valve 4 - Ground | -- | B1297, 3, 4, 5 | -- | -- |
Folding Top Valve 5 Control | 1 | 2 | -- | -- |
Folding Top Valve 5 - Ground | -- | 2 | -- | -- |
1. No communication with the FTC module 2. Power folding top is inoperative 3. Power folding top does not open or complete the top opening procedure 4. Power folding top does not close or complete the top closing procedure 5. Rear Compartment lid will not open 6. Rear compartment lid will not close 7. DIC warning message displayed 8. Folding top will operate with the rear compartment partition removed 9. No effect on power folding top operation | ||||
Circuit/System Description
The folding top control (FTC) module checks the integrity of the signal circuits from the folding top control switch at least once every 300 milliseconds. Battery voltage from the 10A TILT/TELE SW/MEM SEAT MOD fuse is supplied to the folding top control switch. When either the top open or top close switch is pressed, battery voltage is applied through the switch contacts and the signal circuit to the FTC module. The FTC module then moves the folding top to the requested open or closed position.
Conditions for Running the DTC
The FTC module must be powered and can not have B1327 or B1328 set as active DTCs for this DTC to set. The battery voltage is between 9-16 volts.
Conditions for Setting the DTC
| • | When the FTC module detects inputs on both the folding top control switch open and close signal circuits at the same time. |
| • | When the FTC module detects either of the folding top control switch open or close signal circuits active for 3 minutes or more. |
Action Taken When the DTC Sets
| • | The folding top operation is suspended. |
| • | The FTC module stores B3602 as a current and history DTC. |
Conditions for Clearing the DTC
| • | This 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. |
Diagnostic Aids
The Rear Compartment Lid is also referenced as the Deck Lid for this vehicle.
Reference Information
Schematic Reference
Connector End View Reference
Description and Operation
Power Folding Top Description and Operation
Electrical Information Reference
Scan Tool Reference
Control Module References for Scan Tool Information
Circuit/System Testing
- Ignition OFF, disconnect the harness connector at the folding top control switch.
- Ignition ON, verify the scan tool Top Control Switch parameter reading is Idle.
- If all circuits test normal, test or replace the folding top control switch.
| ⇒ | If not the specified value, test the signal circuits terminal 1 and terminal 2 for a short to voltage. If the circuits test normal, replace the FTC module. |
Component Testing
Folding Top Control Switch
- Ignition OFF, disconnect the harness connector at the folding top control switch.
- Test for infinite resistance between the signal terminal 1 and the B+ terminal 4 with the switch in the open position.
- Test for less than 1 ohm between the signal terminal 1 and the B+ terminal 4 with the switch in the closed position.
- Test for infinite resistance between the signal terminal 2 and the B+ terminal 4 with the switch in the open position.
- Test for less than 1 ohm between the signal terminal 2 and the B+ terminal 4 with the switch in the closed position.
| ⇒ | If not the specified value, replace the folding top control switch. |
| ⇒ | If not the specified value, replace the folding top control switch. |
| ⇒ | If not the specified value, replace the folding top control switch. |
| ⇒ | If not the specified value, replace the folding top control switch. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
| • | Control Module References for FTC module replacement, setup, and programming |
