Wiper Motor: Testing and Inspection

Fig 9 Liftgate Wiper Motor Electrical Connector:

1. Disconnect electrical connector at wiper motor.
2. Place ignition switch in On position, then check for battery voltage at blue wire.
3. Place wiper switch in On position and check battery voltage between blue and brown wires.
4. If battery voltage was not present in preceding steps, proceed as follows:
a. Check fuse, liftgate wiper switch and wiring.
b. With ignition switch in On position and wiper switch in Off position, check for battery voltage between blue and brown wires. If battery voltage is not present, check ground wire to liftgate switch.
5. If battery voltage was present in preceding steps, replace motor.