Seat Temperature Relay: Testing and Inspection
Normally open type A:1. 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.4 terminals.
^ There should be no continuity between the No.1 and No.2 terminals when power is disconnected.
^ Seat heater relay
Type 1:
Type 2: