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
ETCS relay
Front accessory power socket relay
Front fog light relay
Headlight washer relay
Horn relay
IG2 cut relay
Ignition coil relay
PGM-FI main relay 1, 2
PGM-FI subrelay
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)

*:
KE model

Normally-open type (Except PGM-FI main relay 1, Ignition coil relay, PGM-FI subrelay ETCS relay, Rear window defogger relay, Radiator fan relay, Condenser fan relay and blower motor 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.