Power Relay Test: Test
- Power Relay - Test
Use this chart to identify the types of the relay, then do the test listed for it.
Relay Test A/C main relay Normally-Open four-terminal type Battery fan relay Blower motor relay Console accessory power socket relay Daytime running light relay Driver's seat heater relay (HIGH) (with front seat heater) Electronic throttle control system (ETCS) control relay Front accessory power socket relay Front fog light relay (with front fog light) Front passenger's seat heater relay (HIGH) (with front seat heater) Headlight relay Horn relay IGHLD B relay Ignition coil relay Interior light cut relay Left rear seat heater relay (HIGH) (with rear seat heater) Right rear seat heater relay (HIGH) (with rear seat heater) PGM-FI main relay 1 (FI MAIN) PGM-FI main relay 2 (FUEL PUMP) PGM-FI subrelay* Power window relay PTC heater A relay* PTC heater B relay* Rear window defogger relay RFC relay Brake light relay (with ACC) Five-terminal type Driver's seat heater relay (LOW) (with front seat heater) Front passenger's seat heater relay (LOW) (with front seat heater) Left rear seat heater relay (LOW) (with rear seat heater) Right rear seat heater relay (LOW) (with rear seat heater) *:'14-15
NOTE: Carefully remove all relays using the special relay puller tool. Do not use pliers. Pliers will damage the relay.Normally-Open Four-Terminal Type
Check for continuity between the terminals:
- There should be continuity between terminals No. 1 and No. 2 when battery power is connected to terminal No. 3, and battery ground is connected to terminal No. 4.
- There should be no continuity between terminals No. 1 and No. 2 when battery power is disconnected.
Five-Terminal Type
Check for continuity between the terminals:
- There should be continuity between terminals No. 1 and No. 2 when battery power is connected to terminal No. 3, and battery ground is connected to terminal No. 5.
- There should be continuity between terminals No. 1 and No. 4 when battery power is disconnected.