Es300, GS300, GS400, LS400, Lx470 & RX300
Turn ignition off. Using DVOM, check continuity by backprobing rear of key unlock warning switch connector between specified terminals and ground with ignition key as specified. See KEY UNLOCK WARNING SWITCH CIRCUIT CONTINUITY (ES300, GS300, GS400, LS400, LX470 & RX300) table. See Fig 1 or Fig 2 . If continuity is not as specified, repair wiring harness or replace components as necessary. If continuity is as specified, check key unlock warning switch. See KEY UNLOCK WARNING SWITCH under COMPONENT TESTS.
KEY UNLOCK WARNING SWITCH CIRCUIT CONTINUITY (ES300, GS300, GS400, LS400, LX470 & RX300)
| Check Continuity Between Ground & Terminal No. | Condition | Continuity |
|---|---|---|
| 1 | All Conditions | Yes |
| 2 | Ignition Key Removed | No |
| 2 | Ignition Key Set | Yes |