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Test 16A - Repairing Liftgate Key Cylinder Circuit

NOTE: For connector terminal identification, refer to CONNECTOR IDENTIFICATION  . For appropriate wiring diagram, see appropriate chassis wiring diagram in the WIRING DIAGRAMS article.
  1. Using DRB-II, read DOOR KEY CYLINDER SWITCH (DR KEY CYL:) status. If DRB-II status screen displays CIRCUIT CLOSED (CLSD), go to TEST 15B  . If screen does not display CIRCUIT CLOSED (CLSD), disconnect liftgate key cylinder switch connector.
  2. Connect jumper wire across terminals No. 1 and 3 of connector. Using DRB-II, read DOOR KEY CYLINDER SWITCH (DR KEY CYL:) status. If status screen displays CIRCUIT CLOSED (CLSD), replace liftgate key cylinder switch. Perform TEST VER-1  .
  3. If DRB-II screen does not display CIRCUIT CLOSED (CLSD), connect jumper wire between right terminal No. 3 (Light Green/Orange wire) of liftgate key cylinder switch connector and vehicle ground. Using DRB-II, read DOOR KEY CYLINDER SWITCH (DR KEY CYL:) status.
  4. If screen displays CIRCUIT CLOSED (CLSD), repair switch ground wire for open to ground. Perform TEST VER-1  . If DRB-II screen does not display CIRCUIT CLOSED (CLSD), connect jumper wire between terminal No. 7 (Light Green/Orange wire) of VTA module connector and vehicle ground. DO NOT  disconnect VTA module connector.
  5. Using DRB-II, read DOOR KEY CYLINDER SWITCH (DR KEY CYL:) status. If screen displays CIRCUIT CLOSED (CLSD), repair open disarm sense wire (Light Green/Orange). Perform TEST VER-1  . If DRB-II screen does not display CIRCUIT CLOSED (CLSD), replace VTA module. Perform TEST VER-1  .
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