Symptom:
*HOOD AJAR CIRCUIT OPEN
POSSIBLE CAUSES
HOOD AJAR SWITCH GROUND CIRCUIT OPEN
INTERMITTENT CONDITION
HOOD AJAR SWITCH
HOOD AJAR SWITCH SENSE CIRCUIT OPEN
BODY CONTROL MODULE - HOOD AJAR CIRCUIT OPEN
TEST ACTION APPLICABILITY
1 Open the Hood.
With the DRBIIIt in Inputs/Outputs, read the HOOD AJAR SW state.
Does the DRBIIIt display CLOSED?
All
Yes → The condition that caused this symptom is currently not present.
Inspect the related wiring harness for a possible intermittent
condition. Look for any partially open connectors or broken wires.
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 2
2 Disconnect the Hood Ajar switch connector.
Using a 12-volt Test Light connected to 12-volts, test the Ground circuit for
continuity.
Does the light illuminate?
All
Yes → Go To 3
No → Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
3 Disconnect the Hood Ajar Switch connector.
With the DRBIIIt in Inputs/Outputs, read the HOOD AJAR SW state.
Connect a jumper wire between Sense circuit and the Ground circuit.
Does the DRBIIIt display HOOD AJAR SW: CLOSED?
All
Yes → Replace the Hood Ajar Switch.
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 4
4 Disconnect the Body Control Module C4 harness connector.
Disconnect the Hood Ajar Switch harness connector.
Measure the resistance of the Sense circuit.
Is the resistance below 5.0 ohms?
All
Yes → Go To 5
No → Repair the Hood Ajar Switch Sense circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
5 If there are no possible causes remaining, view repair. All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
179
DOOR AJAR
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