Auto Repair 1999–2002 Toyota Sienna Power Sliding Door Diagnostic Procedure

Auto Repair 1999–2002 Toyota Sienna Power Sliding Door Diagnostic Procedure

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Introduction If the Sienna power sliding door becomes inoperative, intermittently inoperative, does not close properly, or returns to the open position while being closed using the power switch or remote control, follow the diagnostic procedure outlined in this bulletin. Since the 2000 – 2002 model year Repair Manuals contain additional diagnostic and repair procedures (compared to the 1999 Repair Manual) it is recommended that only the 2000 – 2002 model year Repair Manual be consulted when making repairs to the Power Sliding Door Assembly(s). Additionally, if the powered operation of the door becomes inoperative, the door may be manually operated only if the main power switch (located on the left side of the steering column) is switched “OFF.” THE POWER DRIVE ASSEMBLY MAY BE DAMAGED INTERNALLY if manual door operation is attempted when the main power switch is in the “ON” position.

Repair Procedure 1. Confirm proper tension of the power drive cables. Adjustment may be necessary only if the cables appear visibly loose or hanging down. If OK, go to step 2. Refer to Technical Service Bulletin BO005–00, “Power Sliding Door Cable Adjustment Procedure.” 2. Confirm that the system has been initialized properly. NOTE: If the 12V battery goes dead or is disconnected or power to the sliding door system is cut, the power sliding door control system must be re–initialized. The re–initialization process must be done carefully and completely or the power portion of the door may not operate properly. RE–INITIALIZATION PROCESS (FOR VEHICLES WITH ONE SLIDING DOOR) NOTE: For Dual Sliding Doors: Refer to TSB BO035–00, “Dual Power Sliding Door Re–Initializing.” A. The Main Power Switch (located on the left side of the steering column) MUST be in the the “OFF” position (red line not showing on the switch button). B. Place the transmission selector in “Park”. C. Make sure the right side sliding door is fully closed (manual operation).

D. Disconnect the 12V negative battery terminal and wait for more than one (1) minute, then reconnect the negative battery terminal. E. Turn the ignition switch to the “ON” position. F. Push the MAIN power switch “ON” (red line on the switch will be showing) and wait for 10 seconds. G. Open the sliding door by pushing either the power sliding door control button (located on the right side of the dash by the radio or on the “B” pillar) or the remote switch on the key ring and allow the door to open all the way. Wait three (3) seconds after the motor stops running before proceeding. H. Close the sliding door by pushing either the power sliding door control button (located on the right side of the dash by the radio or on the “B” pillar) or the remote control button and let the door close all the way. Wait three (3) seconds after the motor stops running before proceeding I. Repeat steps G and H.