Operation CHARM: Car repair manuals for everyone.

Power Relay Test

Normally-open type B:




Blower Motor Relay Type 1, 2:




ABS Pump Motor Relay:




Rear A/C Blower High Relay:




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