Toyota Corolla (E120) 2002–2008 Repair Manual / Wiper & washer / Windshield wiper switch assy
Toyota Corolla (E120): Windshield wiper switch assy
Replacement
1. Remove steering column cover lwr

- Remove 3 screws and steering column cover lwr.
2. Remove windshield wiper switch assy

- Disconnect the connecter of the windshield wiper switch.
- release the claw and pull out the windshield wiper switch assy as shown in the illustration.
Notice
: pressing the claw hard breaks the claw.
Other materials:
Inspection procedure
1 Check security indicator light
Remove the security indicator.
check the indicator light, as shown in the illustration and
table.
Standard:
2 Check wire harness (tvip ecu security indicator)
Disconnect the tvip ecu and security indicator connectors.
  ...
Precaution
1. Work precautions
(A) vehicle protection
(1) when welding, cover glass, seats, carpets, etc. With
heat resistant fireploof covers to protect them.
(B) safety
(1) never stand in the path of the chain when using a puller
on the body or frame, and be sure to attach a safety
cable.
...
Circuit description
The vehicle equipped with abs detects a vehicle speed using the stability
control ecu and wheel speed
sensor. This sensor monitors a wheel rotation speed and sends the signal to the
ecu.
The stability control ecu converts these wheel speed signals into a 4–pulse
signal and outputs it to ...


