Camry, Corolla & Tercel
- Remove relay. See HEADLIGHT DIMMER RELAY LOCATION table. Continuity should exist between relay terminals No. 1 and 4, and 2 and 4 at all times. See Fig 1. For Camry, go to next step. For Corolla, go to step 3. For Tercel, go to step 4.
- Continuity should not exist between relay terminals No. 3 and 4. Apply battery voltage across relay terminals No. 2 and 4. Continuity should now exist between relay terminals No. 3 and 4. If continuity is not as specified, replace relay.
- Continuity should not exist between relay terminals No. 1, 3 and 4. Apply battery voltage across relay terminals No. 2 and 4. Continuity should now exist between relay terminals No. 1, 3 and 4. If continuity is not as specified, replace relay.
- Continuity should not exist between relay terminals No. 2, 3 and 4. Apply battery voltage across relay terminals No. 2 and 4. Continuity should now exist between relay terminals No. 2, 3 and 4. If continuity is not as specified, replace relay.
HEADLIGHT DIMMER RELAY LOCATION
| Application | Location |
|---|---|
| Camry | Behind Left Side Of Dash, In Junction Block No. 1 |
| Corolla | Left Side Of Engine Bay, In Junction Block No. 2 |
| Tercel | Left Side Of Engine Bay, In Relay Block Near Strut Tower |