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Home >> Chevrolet >> 2007 >> Optra LT, Automatic >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Theft Deterrent >> Diagnostic Information and Procedures >> Content Theft Deterrent (CTD) Does Not Disarm with Key Lock

Content Theft Deterrent (CTD) Does Not Disarm with Key Lock

Step Action Yes No
Schematic Reference:  Theft Deterrent System Schematics  
Connector End View Reference:  Theft Deterrent System Connector End Views  
DEFINITION: The content theft deterrent (CTD) alarm does not disarm when using a key in any door or rear compartment lock cylinder.
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2
  1. Disconnect the remote control door lock receiver (RCDLR).
  2. Probe the inoperative lock tamper switch circuit at the RCDLR with a test light to B+.
Does the test light illuminate?
Go to Step 6  Go to Step 3 
3 With the test light still connected, unlock the inoperative lock tamper switch with a key.
Does the test light illuminate?
Go to Step 8  Go to Step 4 
4
  1. Disconnect the inoperative tamper switch connector.
  2. Test for an open in the tamper switch ground circuit. Refer to Testing for Continuity and Wiring Repairs .
Did you find and correct the condition?
Go to Step 11  Go to Step 5 
5 Test for an open in the door lock tamper switch signal circuit. Refer to Testing for Continuity and Wiring Repairs .
Did you find and correct the condition?
Go to Step 11  Go to Step 7 
6 Test for a short to ground in the inoperative lock tamper switch circuit. Refer to Testing for Short to Ground and Wiring Repairs .
Did you find and correct the condition?
Go to Step 11  Go to Step 7 
7 Test for a poor connection at the inoperative door lock tamper switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 11  Go to Step 9 
8 Test for a poor connection at the RCDLR. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 11  Go to Step 10 
9 Replace the inoperative lock tamper switch. Refer to Front Side Door Lock Replacement or Rear Compartment Lid Lock Cylinder Replacement .
Did you complete the replacement?
Go to Step 11  -
10
IMPORTANT: Perform the program procedure for the ISU.
Replace the RCDLR. Refer to Remote Control Door Lock Receiver Replacement .Did you complete the replacement?
Go to Step 11  -
11 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 2