For 1990-2009 cars

### 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 B3265 61: Trunk Release Switch Stuck

### Diagnostic Fault Information

Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance
--- | --- | --- | --- | ---
Liftgate Release Switch Signal | B3265 61 | 1 | 1 | --
Liftgate Latch Control | B3130 00, B3135 00 | 2 | 2 | --
Liftgate Latch Assembly Ground | -- | 2 | 2 | --
Liftgate Release Switch Ground | -- | 1 | 1 | --
1. Liftgate Release Switch Malfunction 2. Liftgate Release Malfunction

### Circuit/System Description

Pressing the liftgate release switch closes a contact providing a ground for the liftgate release switch signal circuit. The rear fuse block will detect the voltage drop and command voltage to be supplied to the liftgate latch assembly which releases the liftgate.

### Conditions for Running the DTC

The system voltage is 9-16 volts.

### Conditions for Setting the DTC

The rear fuse block detects a short to ground in the liftgate release switch signal circuit for greater than 60 seconds.

### Action Taken When the DTC Sets

The liftgate latch will malfunction.

### 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.

### Reference Information

#### Schematic Reference

Release Systems Schematics

#### Connector End View Reference

Component Connector End Views

#### Description and Operation

Rear Hatch/Gate Description and Operation

#### Electrical Information Reference

• | Circuit Testing

• | Connector Repairs

• | Testing for Intermittent Conditions and Poor Connections

• | Wiring Repairs

#### Scan Tool Reference

Control Module References for scan tool information

### Circuit/System Verification

Ignition ON, observe the scan tool Trunk Release Switch parameter while pressing and releasing the liftgate release switch. The parameter should change between Active and Inactive.

### Circuit/System Testing

1. Ignition OFF, disconnect the harness connector at the liftgate release switch.
2. Ignition ON, verify the scan tool Trunk Release Switch parameter is Inactive.

⇒ | If not the specified value, test the signal circuit terminal 1 for a short to ground. If the circuit tests normal, replace the rear fuse block.

3. If all circuits test normal, test or replace the liftgate release switch.

### Component Testing

1. Ignition OFF, disconnect the harness connector at the liftgate release switch.
2. Test for infinite resistance between the signal terminal 1 and the ground terminal 3 with the switch in the open position.

⇒ | If not the specified value, replace the liftgate release switch.

3. Test for less than 2 ohms between the signal terminal 1 and the ground terminal 3 with the switch in the closed position.

⇒ | If greater than the specified range, replace the liftgate release switch.

### Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

• | Liftgate Actuator Switch Replacement

• | Control Module References for rear fuse block replacement, setup, and programming