Circuit Description
The Security Indicator Inoperative check is designed to find out the reason the Security indicator is not illuminating. However, the Theft Deterrent System Diagnostic System Check must always be the starting point for all Passlock™ system troubleshooting.
The diagnostics in this table are designed to troubleshoot non DTC troubles. For example battery power, ignition 1 input, ground, and shorted or open SECURITY indicator circuit.
Diagnostic Aids
Perform a visual inspection of the wiring and the connectors. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
Step | Action | Yes | No |
|---|---|---|---|
1 | Did you perform the VTD Diagnostic System Check? | Go to Step 2 | |
2 |
Did the SECURITY lamp turn on and off? | Go to Step 3 | Go to Diagnostic System Check - Instrument Cluster in Instrument Panel, Gages and Console |
3 |
Did the SECURITY lamp illuminate? | Go to Step 4 | Go to Step 5 |
4 | Inspect for poor connections at the harness connector of the Passlock module. 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 7 | Go to Step 6 |
5 | Repair the open or high resistance in the security lamp signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 7 | Go to Step 6 |
6 | Replace the Passlock™ Module. Refer to Theft Deterrent Module Replacement . Is the repair complete? | -- | |
7 | Operate the system in order to verify the repair. Did you find and correct the condition? | System OK | Go to Step 2 |
