Lexus ES manuals

Lexus ES: Inspection

Lexus ES (XZ10) Service Manual / Drivetrain / Ub80f (automatic Transmission / Transaxle) / Combination Switch / Inspection

INSPECTION

PROCEDURE

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

(a) Inspect the "Normal" 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" 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).

*a

Component without harness connected

(Drive Mode Select Switch (Combination Switch Assembly))

(b) Inspect the "Sport" 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" 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).

*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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 Installation

INSTALLATION PROCEDURE 1. INSTALL DRIVE MODE SELECT SWITCH (COMBINATION SWITCH ASSEMBLY) (a) Install the drive mode select switch (combination switch assembly) to the instrument cluster finish panel a

 Removal

REMOVAL PROCEDURE 1. REMOVE INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY Click here 2. REMOVE DRIVE MODE SELECT SWITCH (COMBINATION SWITCH ASSEMBLY) (a) Disconnect the drive mode select switch (comb

 Differential Case

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 Parts Location

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 Check For Intermittent Problems

CHECK FOR INTERMITTENT PROBLEMS HINT: Inspect the vehicle ECM using check mode. Intermittent problems are easier to detect with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default), which

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