Toyota 84652-47040
Wiper Switch

Service on the wiper switch must start by disconnecting the negative battery terminal cable followed by waiting a minimum of 90 seconds to avoid Air Bag and seat belt pretensioner activation. Service of the wiper switch requires removing the No. 2 and No. 3 steering wheel cover lowers in addition to the steering pad assembly and steering wheel assembly and the tilt lever bracket and steering column cover. The wiper and washer switch assembly removal process begins with disconnecting the connector along with gentle pushing to release the claw until the assembly is free so avoid damaging the claw. You should use the claw to secure the wiper switch installation before reconnecting its connector. The installation order begins with the steering wheel assembly along with the spiral cable sub-assembly and tilt lever bracket followed by the steering column cover and concluding with both No. 2 and No. 3 steering wheel cover lowers while ending with the steering pad assembly. The last steps include connecting the cable to the negative terminal then inspecting the steering pad assembly and checking the SRS warning light before initiating system initialization due to system dependency on this procedure.

The first step for repairing or servicing the wiper switch involves disconnecting the negative battery cable and waiting for at least 90 seconds for Air Bag and seat belt pretensioner safety features to deactivate. Proceed by directing the front wheels straight forward then unpigrate the steering pad assembly and steering wheel assembly with both upper and lower steering column covers. Begin service on the wiper and washer switch assembly by disconnecting its connectors while unhooking the claw to access the wiper switch using gentle methods to prevent damage. The callback mechanism should go first when installing the wiper switch while you reconnect all connectors by using a gentle touch. Put back the full set of lower and upper steering column covers followed by the steering wheel assembly and check the front wheel alignment. After inspecting the center point of the steering wheel you should reinstall the steering pad assembly while connecting the cable to the negative battery terminal. In the final stage, examine the steering pad assembly before validating sequence of the SRS warning light for correct functionality.

The first step requires attachment of the claw to keep the windshield wiper switch assembly stable before connecting its two connectors. After attaching the lower steering column cover, install the upper steering column cover as the final step.

Disconnect the 2 connectors from the windshield wiper switch assembly.

Disconnect the cable from the negative battery terminal and wait at least 90 seconds to prevent airbag and seat belt pretensioner activation.

To prevent airbag and seat belt pretensioner activation.

Disconnect the 2 connectors.

Remove the steering wheel cover lower No.2 and lower No.3, followed by the horn button assembly and the steering wheel assembly.

Center the spiral cable, install the steering wheel assembly, and the horn button assembly.