Lexus IS250 IS220d GSE20 ALE20 - MIRROR
OUTER MIRROR SWITCH - INSPECTION
1. INSPECT OUTER MIRROR SWITCH (w/o Seat Position Memory System) |

Inspect the outer mirror switch.
Measure the resistance according to the value(s) in the table below when the switch is operated.
- Resistance:
- Select "L" on the left/right adjustment switch:
Tester Connection Switch Position Specified Condition 4 - 8 UP Below 1 Ω 6 - 7 4 - 7 DOWN 6 - 8 5 - 8 LEFT 6 - 7 5 - 7 RIGHT 6 - 8 - Select "R" on the left/right adjustment switch:
Tester Connection Switch Position Specified Condition 3 - 8 UP Below 1 Ω 6 - 7 3 - 7 DOWN 6 - 8 2 - 8 LEFT 6 - 7 2 - 7 RIGHT 6 - 8
Inspect retract switch.
Measure the resistance according to the value(s) in the table below when the switch is operated.
Tester Connection | Switch Position | Specified Condition |
7 - 9 8 - 10 | Retracts | Below 1 Ω |
7 - 10 8 - 9 | Returns (Driving position) |
2. INSPECT OUTER MIRROR SWITCH (w/ Seat Position Memory System) |

Inspect the outer mirror switch.
Measure the resistance according to the value(s) in the table below when the switch is operated.
- Resistance:
Tester Connection Switch Position Specified Condition 2 - 3 OFF 10 kΩ or higher UP 225 to 275 Ω DOWN 437 to 503 Ω LEFT 744 to 856 Ω RIGHT 437 to 503 Ω 1 - 2 L 90 to 110 Ω R 10 Ω or less 4 - 7
6 - 8Retracts Below 1 Ω 4 - 8
6 - 7Returns (Driving position) Below 1 Ω
LEXUS IS250, IS220d / GSE20 ALE20