Power Relay Test

Use this chart to identify the type of relay, then do the test listed for it.
Relay
Test
ACC cut relay
Normally-open type
A/C compressor clutch relay
A/C condenser fan relay
Blower motor relay
Cigarette lighter relay
Front accessory power socket relay
Front fog light relay
Fuel heater relay
Headlight washer relay
Horn relay
IG2 cut relay
Intake shutter valve relay
PGM-FI main relay 1, 2
PTC heater A, B, C relay
Power mirror defogger relay
Radiator fan relay
Rear accessory power socket relay
Rear window defogger relay
Seat heater relay (high)
Starter cut relay
Driver's super locking relay
Five-terminal type
Fan control relay
Inhibiter relay
Passenger's super locking relay
Seat heater relay (low)

Normally-open type (Except PGM-FI main relay 1, 2, Rear window defogger relay, Radiator fan relay, A/C condenser fan relay and blower motor relay, Fuel heater relay, Intake shutter valve relay, PTC heater A, B, C relay)
Check for continuity between the terminals.
  • There should be continuity between terminals No. 1 and No. 2 when power and ground are connected to terminals No. 4 and No. 3.
  • There should be no continuity between terminals No. 1 and No. 2 when power is disconnected.