RELAY INSPECTION

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Relay Type

Connector type

Part name
Type A
•  IG1 relay
•  A/C relay
•  Headlight cleaner relay
•  Electric AT oil pump relay
•  Horn relay
•  Starter relay
•  Electric variable valve timing relay
•  ACC relay
•  Rear window defogger relay
•  Main relay
•  Fuel injector relay
•  Fuel pump relay
Type B
•  Wiper INT relay
•  Wiper HI relay
Type C
•  Blower relay
•  Cooling fan relay


Type A

1.  Remove the relay. (See RELAY LOCATION.)

2.  Verify the continuity between relay terminals C and D.

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•  If it can be verified, replace the relay. (See RELAY LOCATION.)
•  If it cannot be verified, go to the next step.

3.  Verify the continuity between relay terminals E and A.

•  If it can be verified, go to the next step.
•  If it cannot be verified, replace the relay. (See RELAY LOCATION.)

4.  Apply battery voltage to relay terminal E, and connect terminal A to ground.

5.  Verify the continuity between relay terminals C and D.

•  If it cannot be verified, replace the relay. (See RELAY LOCATION.)


Type B

1.  Remove the relay. (See RELAY LOCATION.)

2.  Verify the continuity between relay terminals C and D.

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•  If it can be verified, replace the relay. (See RELAY LOCATION.)
•  If it cannot be verified, go to the next step.

3.  Verify the continuity between the relay terminals E and A.

•  If it can be verified, go to the next step.
•  If it cannot be verified, replace the relay. (See RELAY LOCATION.)

4.  Verify the continuity between the relay terminals B and D.

•  If it can be verified, go to the next step.
•  If it cannot be verified, replace the relay. (See RELAY LOCATION.)

5.  Apply battery voltage to relay terminal E, and connect terminal A to ground.

6.  Verify the continuity between relay terminals C and D.

•  If it cannot be verified, replace the relay. (See RELAY LOCATION.)


Type C

1.  Remove the relay. (See RELAY LOCATION.)

2.  Verify the continuity between the relay terminals C and A.

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•  If it can be verified, replace the relay. (See RELAY LOCATION.)
•  If it cannot be verified, go to the next step.

3.  Verify the continuity between the relay terminals D and B.

•  If it can be verified, go to the next step.
•  If it cannot be verified, replace the relay. (See RELAY LOCATION.)

4.  Apply battery voltage to relay terminal D, and connect terminal B to ground.

5.  Verify the continuity between relay terminals C and A.

•  If it cannot be verified, replace the relay. (See RELAY LOCATION.)