I/P Switch Assembly (W49)
- Ignition OFF, disconnect the harness I/P switch assembly.
- Rear wiper switch in the OFF position, test for infinite resistance between the ignition terminal 6 and the signal terminal 5.
- If not the specified value, replace the I/P switch assembly.
- Rear wiper switch in the ON position, test for less than 5 ohms between the ignition terminal 6 and the signal terminal 5.
- If not within the specified range, replace the I/P switch assembly.