Honda Civic. Manual — part 990

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.

Fig. 1: Checking Continuity Between Terminals For Normally-Open Type

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.

2008 Honda Civic GX

2006-08 ELECTRICAL Relays - Civic GX

Fig. 2: Checking Continuity Between Terminals For Five-Terminal Type

2008 Honda Civic GX

2006-08 ELECTRICAL Relays - Civic GX

2006-08 ELECTRICAL

Relays - Civic (Except Hybrid)

POWER RELAY TEST

Use this chart to identify the type of relay, then do the test listed for it.

RELAY TYPES REFERENCE

NORMALLY-OPEN TYPE

Check for continuity between the terminals.

NOTE:

Refer to the RELAYS (GX) article for additional information
for the GX model.

Relay

Test

A/C compressor clutch relay

Normally-open type

A/C condenser fan relay
Blower motor relay
ETCS control relay
Front accessory power socket relay
Ignition coil relay
PGM-FI main relay 1 (Fl MAIN)
PGM-FI main relay 2 (FUEL PUMP)
PGM-FI subrelay
Power window relay
Radiator fan relay
Rear accessory power socket relay
Rear window defogger relay
Seat Heater (HIGH)
Starter cut relay
Fan control relay

Five-terminal type

Power mirror defogger relay
Seat Heater (LOW)

2008 Honda Civic GX

2006-08 ELECTRICAL Relays - Civic (Except Hybrid)

2008 Honda Civic GX

2006-08 ELECTRICAL Relays - Civic (Except Hybrid)

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 continuity between the No. 1 and No. 2 terminals when power
is disconnected.

Fig. 1: Power Relay Test - Normally-Open Type

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.

2008 Honda Civic GX

2006-08 ELECTRICAL Relays - Civic (Except Hybrid)