Power Relay Test: Notes

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

NOTE: The turn signal/hazard relay input test (see TURN SIGNAL/HAZARD RELAY INPUT TEST ).

RELAY TESTING SPECIFICATION

Relay	Test
A/C compressor clutch relay	Normally-open type A
Air fuel ratio (A/F) sensor relay
A/C condenser fan relay
Headlight relay
Horn relay
Power window relay
Radiator fan relay
Reverse relay (A/T)
Rear accessory power socket relay
Starter cut relay
Taillight relay
Daytime running lights relay (Canada)
PGM-FI main relay 1
Blower motor relay	Normally-open type B
Rear window defogger relay	Normally-open type B
PGM-FI main relay 2	Five terminal type
Low beam cut relay (Canada)	Five terminal type

Normally-open type A

Check for continuity between the terminals.

There should be continuity between the No. 1 and No. 2 terminals when power and ground are connected to the No. 3 and No. 4 terminals.
There should be no continuity between the No. 1 and No. 2 terminals when power is disconnected.

Fig 1: Measuring Continuity Between The No. 1 And No. 2 Terminals
Courtesy of AMERICAN HONDA MOTOR CO., INC.

type 1:

Fig 2: Identifying Relay Terminal (Type 1)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

type 2:

Fig 3: Identifying Relay Terminal (Type 2)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

PGM-FI main relay 1

type 1:

Fig 4: Identifying PGM-FI Main Relay 1 (Type 1)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

type 2:

Fig 5: Identifying PGM-FI Main Relay 1 (Type 2)

Courtesy of AMERICAN HONDA MOTOR CO., INC.