Prelude L4-2157cc 2.2L DOHC (VTEC) MFI (2001)
Seat Heater Relay: Testing and Inspection
Normally open type A:
1. Check for continuity between the terminals.
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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.
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There should be no continuity between the No.1 and No.2 terminals when power is disconnected.
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Seat heater relay
Type 1:
Type 2: