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Blower Motor Relay: Testing and Inspection

Power Relay Test

Normally-open type B:




Blower Motor Relay, Type 1::




Blower Motor Relay, Type 2::




Blower Motor High Relay:




1. Turn the battery module switch OFF, and measure the voltage.
2. 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.