REMOVAL & INSTALLATION
| WARNING | Deactivate air bag system before performing any service operation. See AIR BAG RESTRAINT SYSTEMS. DO NOT apply electrical power to any component on steering column without first deactivating air bag system. Air bag may deploy. |
| CAUTION | When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery. |
Removal (Except Sienna)
Remove wiper arm caps, nuts and arms. Remove cowl louver cover. Disconnect wiper motor electrical connector. Remove 6 bolts and remove wiper linkage assembly. Disconnect wiper link from wiper motor. Remove 4 screws and wiper motor from firewall.
Removal (Sienna)
- Remove wiper arm caps, nuts and arms. Remove cowl top panel cap. Remove driver's and passenger's side ventilator covers. Remove both washer nozzles from ventilator covers. (Scheme 6) Disconnect drain hose and remove 11 bolts from cowl top panel. Disconnect wiper motor electrical connector. Remove cowl top panel. Remove 4 bolts and remove wiper motor and linkage assembly.
- Disconnect wiper link from wiper motor. Remove 3 screws and wiper motor from linkage assembly. Remove both cowl drain hoses.
Installation (All Models)
To install, reverse removal procedure. Adjust wiper blades to appropriate position. See ADJUSTMENTS .
Scheme 6
Disconnect negative battery cable. To access wiper switch, remove steering column upper and lower covers. Remove wiper/washer switch retaining screws. Disconnect wiper/washer switch from combination switch body. (Scheme 7) To install, reverse removal procedure. When installing wiper switch wire terminals to harness connector, push inward on wire terminal until terminal clicks into place.
Scheme 7
Removal (Celica)
Remove rear wiper arm. Pry off back hatch trim panel. Disconnect electrical connector, remove 3 bolts and wiper motor.
Removal (Land Cruiser & LX 470)
Remove assist grip and inside handle bezel. Remove back door window garnish (around window) and back door trim panel. Remove plastic protector cover. Remove wiper arm assembly and disconnect rear wiper motor electrical connector. Remove 3 bolts for motor and 2 bolts for linkage assembly. Remove rear wiper motor and linkage assembly.
Removal (RAV4)
Remove back door upper cover (below window) and back door trim panel. Remove plastic protector cover. Remove wiper arm assembly and disconnect rear wiper motor electrical connector. Remove 3 bolts and remove rear wiper motor assembly.
Remove wiper arm. Remove back door assist grip. Remove pull strap. Remove center garnish above rear door window by prying along window edge. Remove side garnish on each side of window by pulling inward to release clips. Pull rear door trim panel outward and remove. Disconnect rear wiper motor connector and remove bolts attaching rear wiper motor and linkage to rear door.
Removal (4Runner)
Remove back door trim panel. Remove plate and back door glass run channel. Remove outer weatherstrip and remove rear window. Remove wiper arm and wiper shaft nut on outside of door. Disconnect electrical connector, remove 3 bolts and remove wiper motor assembly.
To install, reverse removal procedure. Adjust wiper blades to appropriate position. See ADJUSTMENTS .
Switch is integral part of wiper switch mounted to combination switch on steering column. See FRONT WIPER SWITCH .
Removal
- Ensure front wheels are in straight-ahead position. Place ignition switch in LOCK position and remove key. Disconnect negative battery cable. Remove 2 screw covers from outer sides of steering wheel. Using Torx Wrench (T30), loosen air bag pad retaining Torx screws until screw heads are snug against screw case. (Scheme 8)
- Carefully pull air bag pad away from steering wheel enough to unlock and disconnect air bag electrical connector. DO NOT pull on electrical connector or wiring. Store air bag pad aside with pad facing upward.
- Remove steering wheel lock nut and washer from steering shaft. Make alignment mark on steering shaft and steering wheel for installation reference. Using appropriate steering wheel puller, pull steering wheel from shaft while guiding spiral cable wire through steering wheel opening.
Installation
- Ensure front wheels are in straight-ahead position. Connect and install spiral cable to combination switch. Turn spiral cable counterclockwise by hand until it is hard to turn. Turn spiral cable clockwise about 2 1/2-3 turns and align Red mark at bottom with opening.
- Guide spiral cable through steering wheel opening while installing steering wheel to shaft. Align reference marks on steering shaft and steering wheel. Install steering wheel lock nut and washer. Tighten steering wheel lock nut to 25 ft. lbs. (34 N.m).
- Connect air bag electrical connector and snap down connector lock. Before installing air bag pad, ensure Torx screws are retracted and snug against screw case. (Scheme 8)
- Install air bag pad to steering wheel ensuring all wiring is NOT pinched and DOES NOT interfere with moving parts. Tighten 4 Torx screws to 78 INCH lbs. (8.8 N.m). Install screw covers. Connect negative battery cable.
