Preliminary Information
Remove relay from engine compartment relay box. Determine which one of the following test procedures to perform. See RELAY TYPE & TEST PROCEDURE NUMBER table. See Fig 1. Replace relay if it does not test as specified.
Test Procedure No. 1
* Continuity should exist between terminals No. 1 and 2.
* Continuity should not exist between terminals No. 3 and 5.
* Apply battery voltage across terminals No. 1 and 2. Continuity should exist between terminals No. 3 and 5. Test Procedure No. 2
* Continuity should exist between terminals No. 1 and 3.
* Continuity should not exist between terminals No. 2 and 4.
* Apply battery voltage across terminals No. 1 and 3. Continuity should exist between terminals No. 2 and 4. Test Procedure No. 3
* Continuity should exist between terminals No. 1 and 2.
* Continuity should not exist between terminals No. 3 and 4.
* Apply battery voltage across terminals No. 1 and 2. Continuity should exist between terminals No. 3 and 4.
| Application | (1) Relay Type | Test Procedure No. | |||
|---|---|---|---|---|---|
| ES300 | |||||
| Circuit Opening | 2 | 1 | |||
| EFI Main | 2 | 1 | |||
| Starter | 1 | 1 | |||
|
|||||