Power Relay Test

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

NOTE: Turn signal/hazard relay input test.

Relay Test 
A/C compressor clutch relay Normally-open type A 
A/C condenser fan relay 
Fuel heater relay 
Front fog light relay 
Headlight relay 1 
Headlight relay 2 
Horn relay 
Left activation indicator relay 
PGM-FI main relay 1 
Power window relay 
Power mirror defogger relay 
Radiator fan relay 
Rear accessory power socket relay 
Right activation indicator relay 
Seat heater main relay 
Security horn relay 
Taillight relay 
Blower motor relay Normally-open type B 
Rear window defogger relay 
Fan control relay Five terminal type 
PGM-FI main relay 2 
Sunroof open relay 
Sunroof close relay 

Normally-open type A


Check for continuity between the terminals.

 

type 1: 

type 2: 

PGM-FI main relay 1

type 1: 

type 2: 

Normally-open type B


Check for continuity between the terminals.

 

Rear window defogger relay

 

Blower motor relay

type 1: 

type 2: 

Five terminal type


Check for continuity between the terminals.

 

 

PGM-FI main relay 2

type 1: 

type 2: