Power Relays Test

Power Relays Test

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

NOTE: See page 22-102 for the turn signal/hazard flasher control circuit input test.

Relay	Test
A/C compressor clutch relay	Normally-open type A
A/T reverse relay
Blower motor relay
Condensor fan relay
Headlight relay
Horn relay
PGM-FI main relay 1
PGM-FI main relay 2
Power mirror defogger relay
Power window relay
Radiator fan relay
Starter cut relay
Taillight relay
EPS motor relay	Normally-open type B
Power door lock/fuel lid lock relay	Five terminal type
Power door unlock/fuel lid unlock relay
Sunroof open relay
Sunroof close relay
Left super locking relay
Right super locking relay

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.
  

 

type 1: 

type 2: 

· PGM-FI main relay 1
· PGM-FI main relay 2

type 1: 

type 2: 

Normally-open type B:

Check for continuity between the terminals.

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

 

 

Five terminal type

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. 5 terminals.
  
• There should be continuity between the No. 1 and No. 4 terminals when power is disconnected.