Combination Switch
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2001 Lexus RX 300, 2001 Lexus LX 470, 2001 Lexus LS 430, 2001 Lexus IS 300, and 2001 Lexus GS 430. However, it is still accessible from the selected car via links, so may be relevant.
Remove steering column covers. Disconnect electrical connectors from combination switch. Using an ohmmeter, check for continuity between specified terminals of combination switch with specified switch in specified position. See appropriate COMBINATION SWITCH CONTINUITY table. See Fig 1 or Fig 2 . If continuity does not exist, replace combination switch.
COMBINATION SWITCH CONTINUITY (ES300, IS300, LX470 & RX300)
| Switch Position | Check Continuity Between Terminals No. | |||
|---|---|---|---|---|
| Light Control (Headlight/Taillight) Switch | ||||
| Off | (1) | |||
| Tail | 14 & 16 | |||
| Head | 13, 14 & 16 | |||
| Auto | 12 & 16 | |||
| Dimmer Switch | ||||
| Flash-To-Pass | 7, 8 & 16 | |||
| High Beam | 7 & 16 | |||
| Low Beam | 16 & 17 | |||
| Foglight Switch | ||||
| Off | (1) | |||
| On | 10 & 11 | |||
| Turn Signal Switch | ||||
| Left | 1 & 2 | |||
| Neutral | (1) | |||
| Right | 2 & 3 | |||
|
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COMBINATION SWITCH CONTINUITY (GS300 & GS430)
| Switch Position | Check Continuity Between Terminals No. | |||
|---|---|---|---|---|
| Light Control (Headlight/Taillight) Switch | ||||
| Off | (1) | |||
| Tail | 15 & 16 | |||
| Head | 14, 15 & 16 | |||
| Auto | 13 & 16 | |||
| Dimmer Switch | ||||
| Flash-To-Pass | 8, 9 & 17 | |||
| Low Beam | 17 & 18 | |||
| High Beam | 8 & 17 | |||
| Foglight Switch | ||||
| Off | (1) | |||
| On | 11 & 12 | |||
| Turn Signal Switch | ||||
| Left | 1 & 2 | |||
| Neutral | (1) | |||
| Right | 2 & 3 | |||
|
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