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switch input, key-in-switch and driver’s door input (3) Check key-in switch. wires for proper connection. (5) Remove Body Control Module from Junction Block. Check for battery voltage at terminal JB-12 (6) If voltage not OK, repair as necessary. CHIMES CONTINUE WHEN HEADLAMPS ARE (1) Use DRB lll t scan tool to perform CCD diag- nostics on Body Control Module for headlamp or key- (2) Check wiring for a grounded condition between key-in switch and Body Control Module. Check head- (3) Inspect Body Control Module connectors and wires for proper connection. EXTERIOR LAMPS LEFT ON To test the headlamps left on function, turn igni- tion off, turn exterior lamps on with driver’s door FASTEN SEAT BELTS To test, the ignition switch must be in the off posi- tion before testing the fasten seat belts. Turn the seat belt unbuckled and fully retracted. The seat belt KEY LEFT IN IGNITION SWITCH To test the key left in ignition function: with key in ignition. • Driver’s door open. • Chime should sound until key is removed from ignition or drivers door is closed. REMOVAL AND INSTALLATION BODY CONTROL MODULE (BCM) Refer to Group 8E, Instrument Panel and Systems for Removal and Installation. HEADLAMP SWITCH Refer to Group 8E, Instrument Panel and Systems. JUNCTION BLOCK (JB) Refer to Group 8O, Power Distribution Systems for Removal and Installation. KEY-IN SWITCH The Key-in switch is built into the ignition switch assembly. Should the Key-in switch require service, SEAT BELT BUCKLE Refer to Group 23, Body for service procedures. JX CHIME/BUZZER WARNING SYSTEMS 8U - 3 DIAGNOSIS AND TESTING (Continued) |