Circuit / System Verification

Ignition ON, while opening and closing each vehicle door, verify that the applicable scan tool door ajar switch parameter cycles between Closed and Ajar.
- If the scan tool parameter does not cycle between the specified values, refer to DOOR AJAR INDICATOR MALFUNCTION .
With the rear compartment lid open, verify the GATE AJAR indicator is illuminated on the DIC.
- If the message is not displayed, refer to REAR HATCH / GATE AJAR INDICATOR INOPERATIVE .
With the rear compartment lid closed, verify the Gate AJAR indicator is not illuminated on the DIC.
- If the message is displayed, refer to REAR HATCH / GATE AJAR INDICATOR ALWAYS ON .
Completely lower the driver door window.
Ignition OFF, arm the CTD system using the keyless entry system by pressing the transmitter LOCK button twice. Verify the scan tool CTD Status parameter displays Armed.
- If the parameter does not equal the specified value, refer to KEYLESS ENTRY SYSTEM INOPERATIVE .
Without disarming the system, reach in through the open driver window, unlock and open the driver door. Verify the scan tool CTD Status parameter displays Alarm Active.
- If the parameter does not equal the specified value, replace the BCM.
With the door open, verify the vehicle horn is pulsing and the exterior lamps are flashing.
- If the horn is not pulsing, refer to HORNS MALFUNCTION .
- If the exterior lights are not flashing, refer to TURN SIGNAL LAMPS AND / OR INDICATORS INOPERATIVE .