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. |
DTC Descriptor
DTC B3260: Power Sliding Door Secondary Latch CircuitDiagnostic Fault Information
Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
Power Sliding Door Module B+ | B1292, B1395 | B1292, B1395 | -- | -- |
Left/Right Sliding Door Open/Close Switch Signal | 2 | 2 | 2 | -- |
Left/Right Door Enable Switch Signal | 1, 2 | -- | 2 | -- |
Left/Right Sliding Door Latch Motor Control | 1 | 1 | 1 | -- |
Park/Neutral Position Park Signal | -- | 1 | -- | -- |
Left/Right Sliding Door Clutch Control | B1292, B1293, B1294 | B1292, B1293, B1294 | B1293 | -- |
Left/Right Sliding Door Motor Open Control | B1292 | B1292 | B1292 | -- |
Left/Right Sliding Door Motor Close Control | B1292 | B1292 | B1292 | -- |
Left/Right Sliding Door Detent Switch Signal | 1 | B1294 | 1 | -- |
Left/Right Sliding Door Sensor Voltage Reference | 1 | B1395 | 1 | -- |
Left/Right Sliding Door Sensor Low Reference | 1 | B1395 | 1 | -- |
Left/Right Sliding Door Sensor 1 Signal | 1 | B1395 | 1 | -- |
Left/Right Sliding Door Sensor 2 Signal | 1 | B1395 | 1 | -- |
Left/Right Sliding Door Clutch Ground | -- | B1292, B1293, B1294 | 1 | -- |
PSDM Ground | -- | 1 | 1 | -- |
1. Power Sliding Door Malfunction 2. Power Sliding Door Open/Close Switch Inoperative | ||||
Circuit/System Description
The power sliding door (PSD) latch/unlatch motor/actuator is responsible for latching and unlatching the PSD when the power sliding door control module (PSDM) has received a request to open or close the door. The latch/unlatch motor/actuator receives battery positive voltage from the PSDM via the PSD latch/unlatch motor/actuator control circuit. The PSDM monitors the voltage on the latch/unlatch motor/actuator control circuit during latching and unlatching operations in order to determine when a failure has occurred.
Conditions for Running the DTC
Battery voltage must be between 9-16 volts.
Conditions for Setting the DTC
The PSD latch/unlatch motor/actuator circuit is open, short to ground, or short to battery while the PSDM is attempting to latch or unlatch the door.
Action Taken When the DTC Sets
| • | When the door is closed, the PSDM will attempt to open the door and stop if the condition is current. |
| • | When the door is open, the PSDM will attempt to close the door and immediately re-open if the condition is current. |
Conditions for Clearing the DTC
| • | The DTC will be current for as long as the fault is present. |
| • | When the fault is no longer present, the DTC will be a history DTC. |
| • | A history DTC will clear after 50 ignition cycles. |
Diagnostic Aids
DTC B1292, B1293, B1294, B1395, B1420, B3250, B3260 or any combination of these DTCs may be set due to an overcinch condition in which the sliding door motor may continue to run for up to 3 seconds after the door is fully closed. Reference any power sliding door overcinching bulletins first before performing any extensive power sliding door diagnostics.
Inspect the PSD plungers and corresponding B-Pillar pads for the following conditions:
| • | Proper door plunger operation |
| • | Clean electrical contact from the door plungers to the B-pillar pads |
| • | Proper alignment of the door plungers to the B-pillar pads |
Reference Information
Schematic Reference
Connector End View Reference
Power Door Systems Connector End Views
Description and Operation
Power Sliding Door (PSD) Description and Operation
Electrical Information Reference
Scan Tool Reference
Circuit/System Verification
Ignition ON, doors UNLOCKED, command the appropriate power sliding door to UNLATCH with a scan tool. The power sliding door should perform the UNLATCH function.
Circuit/System Testing
- Ignition OFF, disconnect the C1 harness connector at the appropriate door contact plate.
- Test for less than 1 ohm between the ground circuit terminal D and ground.
- Connect a test lamp between the control circuit terminal G and ground.
- Ignition ON, command the sliding door unlatch actuator to UNLATCH with a scan tool. The test lamp should illuminate while commanding the UNLATCH state.
- Ignition OFF, connect the C1 harness connector at the door contact plate. Close the sliding door and disconnect the harness connector at sliding door unlatch actuator.
- Test for less than 1.0 ohm between the ground circuit terminal A and ground.
- Connect a test lamp between the control circuit terminal B and ground.
- Ignition ON, command the sliding door unlatch actuator to UNLATCH with a scan tool. The test lamp illuminate while commanding the UNLATCH state.
- If all circuits test normal, test or replace the sliding door unlatch actuator.
| ⇒ | If greater than the specified range, test the ground circuit for an open/high resistance. |
| ⇒ | If the test lamp is always ON, test the control circuit for a short to voltage. If the circuit tests normal replace the PSDM. |
| ⇒ | If the test lamp is always OFF, test the control circuit for a short to ground or and open/high resistance. If the circuit tests normal, replace the PSDM. |
| ⇒ | If greater than the specified range, test the ground circuit for an open/high resistance. If the circuit tests normal, replace the door contact plate. |
| ⇒ | If the test lamp is always ON, test the control circuit for a short to voltage. If the circuit tests normal, replace the door contact plate. |
| ⇒ | If the test lamp is always OFF, test the control circuit for a short to ground or and open/high resistance. If the circuit tests normal, replace the door contact plate. |
Component Testing
- Ignition OFF, disconnect the harness connector at appropriate sliding door unlatch actuator.
- Install a 15A fused jumper wire between the control terminal B and 12V, install a jumper wire between the ground terminal A and ground. The sliding door unlatch actuator should perform the UNLATCH function.
| ⇒ | If the function does not perform as specified, replace the sliding door unlatch actuator. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
| • | Control Module References for PSDM replacement, programming, and setup |
