Power Relay Test
Special Tools Required
Relay puller 07AAC-000A1A0
Use this chart to identify the type of relay, then do the test listed for it.
| Relay | Test |
|---|---|
| A/C compressor clutch relay | Normally-open type |
| A/C condenser fan relay | |
| Blower motor relay | |
| Driver's seat heater relay (HIGH) | |
| Electric vacuum pump relay 1, 2 | |
| Electronic throttle control system (ETCS) control relay | |
| Fog light relay | |
| Front accessory power socket relay | |
| Front passenger's seat heater relay (HIGH) | |
| Ignition coil relay | |
| PGM-FI main relay 1, 2* | |
| PGM-FI subrelay | |
| Power mirror defogger relay | |
| Power window relay | |
| Radiator fan relay | |
| Console accessory power socket relay | |
| Rear window defogger relay | |
| SH-AWD relay | |
| Starter cut relay* | |
| Driver's seat heater relay (LOW) | Five-terminal type |
| Fan control relay | |
| Front passenger's seat heater relay (LOW) | |
| Rear window wiper relay | |
| *: Carefully remove the relay from the driver's under-dash fuse/relay box using the relay puller. Do not use pliers. Pliers will damage the relay. |
RELAY CHART
Scheme 1
Normally-open type
Check for continuity between the terminals.
- There should be continuity between the No. 1 and No. 2 terminals when battery positive terminal is connected to the No. 4 terminal, and battery negative terminal is connected to the No. 3 terminal.
- There should be no continuity between the No. 1 and No. 2 terminals when power is disconnected.
Scheme 2
Five-terminal type
Check for continuity between the terminals.
- There should be continuity between the No. 1 and No. 2 terminals when battery positive terminal is connected to the No. 5 terminal, and battery negative terminal is connected to the No. 3 terminal.
- There should be continuity between the No. 1 and No. 4 terminals when power is disconnected.
Scheme 3
See also:
• Normally-open type
• Five-terminal type