Wiper Relay: Testing and Inspection

Power Relay Test




Use this chart to identify the type of relay, then do the test listed for it.

NOTE: Refer to turn signal/hazard relay input test.

Five-terminal type B:




Check for continuity between the terminals.

- There should be continuity between the No.1 and No.2 terminals when power and ground are connected to the No.3 and No.5 terminals.
- There should be continuity between the No.1 and No.4 terminals when power is disconnected.
- Intermittent wiper relay ('00-01 models)
- Rear window defogger relay ('02-03 models)




- Rear window defogger change relay ('02-03 models)

Five-terminal type A:







Check for continuity between the terminals.

- There should be continuity between the No.1 and No.2 terminals when power and ground are connected to the No.3 and No.5 terminals.
- There should be continuity between the No.2 and No.4 terminals when power is disconnected.