Lexus ES manuals

Lexus ES: Inspection

Lexus ES (XZ10) Service Manual / Drivetrain / Ua80e (automatic Transmission / Transaxle) / Combination Switch / Inspection

INSPECTION

PROCEDURE

1. INSPECT DRIVE MODE SELECT SWITCH (COMBINATION SWITCH ASSEMBLY)

(a) Inspect the "Normal" or "Normal/Custom" mode switch:

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

2 (B) - 7 (GND)

"Normal" or "Normal/Custom" mode switch being pushed and held

Below 1 Ω

"Normal" or "Normal/Custom" mode switch not pushed

10 kΩ or higher

If the result is not as specified, replace the drive mode select switch (combination switch assembly).

*a

Component without harness connected

(Drive Mode Select Switch (Combination Switch Assembly))

(b) Inspect the "Sport" or "S/S+" mode switch:

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

3 (P) - 7 (GND)

Combination switch assembly knob turned and held at "Sport" or "S/S+" position

Below 1 Ω

Combination switch assembly knob not turned to "Sport" or "S/S+" position

10 kΩ or higher

If the result is not as specified, replace the drive mode select switch (combination switch assembly).

*a

Component without harness connected

(Drive Mode Select Switch (Combination Switch Assembly))

(c) Inspect the "Eco" mode switch:

(1) Measure the resistance according to the value(s) in the table below.

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).

*a

Component without harness connected

(Drive Mode Select Switch (Combination Switch Assembly))

(d) Inspect the illumination:

(1) Apply battery voltage to the drive mode select switch (combination switch assembly) and check that the switch illuminates.

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).

*a

Component without harness connected

(Drive Mode Select Switch (Combination Switch Assembly))

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