For 1990-2009 cars only
Diagnostic Instructions
| • | Perform the Diagnostic System Check - Vehicle prior to using the 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 B2961: Key In Ignition CircuitDiagnostic Fault Information
Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
Key In Ignition Switch Signal | 1 | B2961 | B2961 | -- |
1. Chime Malfunction | ||||
Circuit Description
The body control module (BCM) monitors the ignition key alarm switch. When the key is in the ignition, the ignition key alarm switch is closed and the signal circuit is low. When the key is not in the ignition, the ignition key alarm switch is open and the signal circuit is high.
Conditions for Running the DTC
The ignition is ON.
Conditions for Setting the DTC
| • | The ignition 1 input is active and the key in ignition switch signal circuit is inactive (signal circuit is high). |
| • | The above conditions must be present for more than 5 seconds. |
Action Taken When the DTC Sets
The BCM stores DTC B2961 in memory.
Conditions for Clearing the DTC
| • | The DTC becomes history when the fault is no longer present. |
| • | A history DTC will clear after 100 consecutive ignition cycles if the condition for the malfunction is no longer present. |
| • | The BCM receives the clear code command from the scan tool. |
Reference Information
Schematic Reference
Connector End View Reference
Electrical Information Reference
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Testing
- Ignition OFF, disconnect the harness connector X201.
- Ignition ON, verify the scan tool Key In Ignition parameter is Key Out.
- Install a 3A fused jumper wire between the signal circuit terminal E6 and ground. Verify the scan tool Key In Ignition parameter is Key In.
- If all circuits test normal, test or replace the ignition switch.
| ⇒ | If not the specified value, test the signal circuit terminal E6 for a short to ground. If the circuit tests normal, replace the BCM |
| ⇒ | If not the specified value, test the signal circuit E6 for a short to voltage or an open/high resistance. If the circuit tests normal, replace the BCM. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
| • | Control Module References for BCM replacement, setup, and programming |
