Inspection [08/2020 - ]: Procedure
WARNING: This page is about a different car, the 2024 Lexus ES 250, 2023 Lexus ES 250, 2022 Lexus ES 250, and 2021 Lexus ES 250. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT DRIVE MODE SELECT SWITCH (COMBINATION SWITCH ASSEMBLY)
- Inspect the "Normal" mode switch:
- Measure the resistance according to the value(s) in the table below.
*a Component without harness connected
(Drive Mode Select Switch (Combination Switch Assembly))Standard Resistance
Tester Connection Condition Specified Condition 2 (B) - 7 (GND) "Normal" mode switch being pushed and held Below 1 Ω "Normal" mode switch not pushed 10 kΩ or higher If the result is not as specified, replace the drive mode select switch (combination switch assembly).
- Measure the resistance according to the value(s) in the table below.
- Inspect the "Sport" mode switch:
- Measure the resistance according to the value(s) in the table below.
*a Component without harness connected
(Drive Mode Select Switch (Combination Switch Assembly))Standard Resistance
Tester Connection Condition Specified Condition 3 (P) - 7 (GND) Combination switch assembly knob turned and held at "Sport" position Below 1 Ω Combination switch assembly knob not turned to "Sport" position 10 kΩ or higher If the result is not as specified, replace the drive mode select switch (combination switch assembly).
- Measure the resistance according to the value(s) in the table below.
- Inspect the "Eco" mode switch:
- Measure the resistance according to the value(s) in the table below.
*a Component without harness connected
(Drive Mode Select Switch (Combination Switch Assembly))Standard Resistance
Tester Connection Condition Specified Condition 6 (ECU) - 7 (GND) Combination switch assembly knob turned and held at "Eco" position Below 1 Ω Combination switch assembly knob not turned to "Eco" position 10 kΩ or higher If the result is not as specified, replace the drive mode select switch (combination switch assembly).
- Measure the resistance according to the value(s) in the table below.
- Inspect the illumination:
- Apply battery voltage to the drive mode select switch (combination switch assembly) and check that the switch illuminates.
*a Component without harness connected
(Drive Mode Select Switch (Combination Switch Assembly))OK
Condition Specified Condition Battery positive (+) → Terminal 1 (ILL+)
Battery negative (-) → Terminal 8 (ILL-)Illuminates If the result is not as specified, replace the drive mode select switch (combination switch assembly).
- Apply battery voltage to the drive mode select switch (combination switch assembly) and check that the switch illuminates.
- Inspect the "Normal" mode switch: