Body Rear End System Diagnostic System Check
NOTE:
Remote Control Door Lock Receiver (RCDLR) module may as be referred to as Remote Function Actuator (RFA) module.
- Turn ignition off. Connect scan tool to Data Link Connector (DLC). DLC is located below left side of instrument panel, to right of steering column. See Figure . Turn ignition on. If scan tool powers up, go to next step. If scan tool does not power up, go to TEST D: SCAN TOOL DOES NOT POWER UP under SYSTEM TESTS.
- Turn ignition on. Try to establish scan tool communication with Body Control Module (BCM) and Remote Control Door Lock Receiver (RCDLR) module. If communication is established, go to next step. If communication is not established, go to TEST C: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE under SYSTEM TESTS.
- Using scan tool, select DISPLAY DTC function for BCM and RCDLR. Record all displayed DTCs and status of displayed DTCs. If any DTCs are displayed, go to next step. If no DTCs are displayed, repair trunk release system as necessary. See appropriate POWER DOOR LOCKS & TRUNK RELEASE article.
- If scan tool does not display any DTCs that begin with "U", go to next step. If scan tool displays any DTCs that begin with "U", go to TEST C: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE under SYSTEM TESTS.
- If scan tool does not display DTC B1000, B1652, B1656, B1657, and B1658, go to next step. If scan tool displays DTC B1000, B1652, B1656, B1657, or B1658, perform appropriate test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS .
- If scan tool displays DTC B1982 or B1983, perform appropriate test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS . If scan tool does not display DTC B1982 or B1983, perform appropriate test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS .