Preliminary Information
Remove relay from engine compartment fuse/relay box. Determine which one of the following test procedures to perform. See appropriate RELAY TYPE & TEST PROCEDURE NUMBER table under RELAYS . 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.
RELAY TYPE & TEST PROCEDURE NUMBER (ES300)
| Application |
Relay Type |
Test Procedure No. |
| Circuit Opening |
2 |
1 |
| EFI Main |
2 |
1 |
| Starter |
1 |
1 |
RELAY TYPE & TEST PROCEDURE NUMBER (GS300)
| Application |
Relay Type |
Test Procedure No. |
| EFI Main |
2 |
1 |
| IG2 (Ignition Main) |
1 |
1 |
| Starter |
3 |
3 |
RELAY TYPE & TEST PROCEDURE NUMBER (GS400)
| Application |
Relay Type |
Test Procedure No. |
| EFI Main |
2 |
1 |
| IG2 (Ignition Main) |
1 |
1 |
| Starter |
3 |
3 |
RELAY TYPE & TEST PROCEDURE NUMBER (LS400)
| Application |
Relay Type |
Test Procedure No. |
| Circuit Opening |
1 |
1 |
| EFI Main |
1 |
1 |
| Fuel Pump |
5 |
3 |
| Starter |
1 |
1 |
RELAY TYPE & TEST PROCEDURE NUMBER (SC300)
| Application |
Relay Type |
Test Procedure No. |
| EFI Main |
4 |
2 |
| Starter |
1 |
1 |
RELAY TYPE & TEST PROCEDURE NUMBER (SC400)
| Application |
Relay Type |
Test Procedure No. |
| EFI Main |
4 |
2 |
| Starter |
1 |
1 |
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002