Circuit Description
The body control module (BCM) monitors the voltage input of the hood ajar switch open signal circuit and the hood ajar switch closed signal circuit. The 2 separate voltage signals should never be the same voltage with the hood opened or closed. If the 2 voltage signal should have the same voltage value DTC B3006 will set.
DTC Descriptor
This diagnostic procedure supports the following DTC.
DTC B3006 Hood Ajar Circuit.
This vehicle has DTCs which include DTC Symptoms. For more information on DTC Symptoms, refer to Symptoms - Vehicle in Vehicle DTC Information.
DTC Symptom | DTC Symptom Descriptor |
|---|---|
01 | Short to Battery |
02 | Short to Ground |
Conditions for Running the DTC
This DTC shall run when the Run/Crank Relay is enabled.
Conditions for Setting the DTC
B3006 01
Sets if both signal circuits are at a high voltage state.
B3006 02
Sets if both signal circuits are at a low voltage state.
Action Taken When the DTC Sets
The BCM will disable the remote start function.
Conditions for Clearing the DTC
The DTC will clear when conditions for setting the DTC have been repaired.
Test Description
The number below refers to the step number on the diagnostic table.
Step | Action | Value(s) | Yes | No | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Starting and Charging Schematics Connector End View Reference: Engine Electrical Connector End Views | ||||||||||
1 | Did you perform the Vehicle Diagnostic System Check? | -- | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information | ||||||
2 |
Does the voltage measure greater than the specified value? | 10 V | Go to Step 3 | Go to Step 4 | ||||||
Measure the voltage from the hood ajar switch closed signal circuit to a good ground. Does the voltage measure greater than the specified value? | 10 V | Go to Step 8 | Go to Step 6 | |||||||
4 | Measure the voltage from the hood ajar switch open signal circuit of the hood ajar switch to a good ground. Does the voltage measure greater than the specified value? | 10 V | Go to Step 7 | Go to Step 5 | ||||||
5 | Test the hood ajar switch open signal circuit of the hood ajar switch for the following:
Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 12 | Go to Step 9 | ||||||
6 | Test the hood ajar switch closed signal circuit of the hood ajar switch for the following:
Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 12 | Go to Step 9 | ||||||
7 | Repair the ground circuit of the hood ajar switch. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 12 | -- | ||||||
8 | Inspect for poor connections at the harness connector of the hood ajar switch. 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 12 | Go to Step 10 | ||||||
9 | Inspect for poor connections at the harness connector of the body control module (BCM). 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 12 | Go to Step 11 | ||||||
10 | Replace the hood ajar switch. Refer to Hood Primary and Secondary Latch Replacement in Body Front End. Did you complete the replacement? | -- | Go to Step 12 | -- | ||||||
11 |
Important: Perform the setup procedure for the BCM. Replace the BCM. Refer to Body Control Module Replacement in Computer/Integrating Systems. Did you complete the replacement? | -- | Go to Step 12 | -- | ||||||
12 |
Does the DTC reset? | -- | Go to Step 2 | System OK | ||||||
