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− − − − 07 S0X4A00J00050600000FAAT23 Inputs monitored by Passenger’s Multiplex Control Unit Switch/Circuit Note: YES NO BRN Wire Communication Line Test YES NO Communication Line Test 22-248 22-248 Multiplex Control System Troubleshooting (cont’d) DRIVER’S UNDER-DASH FUSE/RELAY BOX SOCKET DOOR MULTIPLEX CONTROL UNIT CONNECTOR A (20P) BRN Front passenger’s key Front passenger’s door 1: The multiplex system should flash the ignition key light and sound the beeper each time when the The multiplex system is OK. If the symptom is still present, go to the input test for the system • Power door locks (see page 22-267) operation) (see page 22-208) • (see page 22-140) • (see page 22-226) • (see page 22-110) • (see page 22-110) • Dash lights brightness control (see page 22-154) Find the open or short in the circuit that was not confirmed by the multiplex control system. If 1. Remove the driver’s multiplex control unit from the driver’s under-dash fuse/relay box. 2. Carefully pry off driver’s door switch trim (see page 20-7). 3. Disconnect door multiplex connector A (20P). 4. Check for continuity between No. 2 terminal of the driver’s under-dash fuse/relay box socket and Replace the multiplex control unit most closely related to failure. Repair an open in the wire between the door multiplex connector and the driver’s under-dash 1 Turn the key two times Test by disconnecting then Entry light control, Key light timer Automatic lights off (EX models) Windshield wiper controls (front and rear) Reminder chimes (Key-in, seat belt, lights-on) Did the multiplex contr ol system conf ir m all the Is ther e continuity? 03/07/29 10:24:34 61S0X050_220_0250 |