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Use this chart to identify the type of relay, then do the test listed for it.
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Relay
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Test
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A/C compressor clutch relay
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Normally-open type
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A/C condenser fan relay
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A/F sensor relay
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Blower motor relay
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ETCS control relay
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Horn relay
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Ignition coil relay
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Lighting relay 1
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Lighting relay 2
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PGM-FI main relay 1 (FI MAIN)
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PGM-FI main relay 2 (FUEL PUMP)
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Power window relay (P/W)
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Radiator fan relay
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Rear window defogger relay
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Starter cut relay (Starter relay 1)
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Starter cut relay (Starter relay 2)
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Front fog light relay
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Rear fog light relay
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Driver's seat heater relay (high)
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Front passenger's seat heater relay (high)
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Driver's seat heater relay (low)
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Five-terminal type
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Front passenger's seat heater relay (low)
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Front super locking relay
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Rear super locking relay
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Daytime running lights relay
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Driver's door unlock relay
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Normally-open type
Check for continuity between the terminals:
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There should be continuity between the No. 1 and No. 2 terminals when battery power is connected to the No. 4 terminal, and body ground is connected to the No. 3 terminal.
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There should be no continuity between the No. 1 and No. 2 terminals when power is disconnected.
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