Power Relay Test (2019 2020 2021): 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 compressor clutch relay Normally-Open four-terminal type A/C condenser fan relay ACC relay (with keyless access system) Blower motor relay Console accessory power socket relay (with center console armrest) Daytime running light relay Electronic throttle control system (ETCS) control relay Front fog light relay (with front fog light) Front seat heater relay (with seat heater) Heated windshield wiper area relay (with heated windshield wiper area) Horn relay Ignition coil relay Interior light cut relay Lighting relay PGM-FI main relay 1 PGM-FI main relay 2 Power window relay Radiator fan relay Rear accessory power socket relay (with rear accessory power socket) Rear window defogger relay Rear wiper motor relay (with keyless access system) Security horn relay Starter cut relay (without keyless access system) Starter cut relay 1 (with keyless access system) Starter cut relay 2 (with keyless access system) Taillight relay Windshield wiper motor relay (with keyless access system) Brake light relay Five-terminal type Fan control relay Windshield wiper high/low relay Windshield wiper intermittent relay Normally-Open Four-Terminal Type
Check for continuity between the terminals:
- There should be continuity between terminals No. 1 and No. 2 when 12 volt battery power is connected to terminal No. 3, and ground is connected to terminal No. 4.
- There should be no continuity between terminals No. 1 and No. 2 when 12 volt 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 12 volt battery power is connected to terminal No. 3, and ground is connected to terminal No. 5.
- There should be continuity between terminals No. 1 and No. 4 when 12 volt battery power is disconnected.