Step | Action | Yes | No |
|---|---|---|---|
1 | Did you perform the Theft Deterrent Diagnostic System Check? | Go to Step 2 | |
2 |
Does the test lamp illuminate? | Go to Step 3 | Go to Step 4 |
3 |
Does the test lamp illuminate? | Go to Step 7 | Go to Step 5 |
4 | Test the control circuit of the door key cylinder switch input for a short to voltage or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 6 |
5 | Test the ground circuit of the door key cylinder switch for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 7 |
6 | Inspect for a poor connection at the harness connector of the 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 10 | Go to Step 9 |
7 | Inspect for a poor connection at the harness connector of the suspect door key cylinder 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 10 | Go to Step 8 |
8 | Replace the suspect door key cylinder switch. Refer to Door Lock Cylinder Replacement in Doors. Did you complete the repair? | Go to Step 10 | -- |
9 | Replace the BCM. Refer to Body Control Module Replacement in Body Control System. Did you complete the replacement? | Go to Step 10 | -- |
10 |
Did you correct the condition? | System OK |
