Lexus GS300/400 (2000 year). Service manual - part 25

AT05V–01

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AUTOMATIC TRANSMISSION

AUTOMATIC TRANSMISSION SYSTEM

AT–1

1949

AUTOMATIC TRANSMISSION SYSTEM

PRECAUTION

If the vehicle is equipped with a mobile communication system, refer to the precautions in the IN sec-
tion.

AT060–01

D01091

Shift Lock Control ECU

Shift Lock Override Button

Key Interlock Solenoid

Stop Light Switch

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AUTOMATIC TRANSMISSION

SHIFT LOCK SYSTEM

AT–11

1959

SHIFT LOCK SYSTEM

LOCATION

AT061–01

D01925

ACC

E

P1

KLS

+

SLS

+

Z16909

4 (+)

3 (–)

Z16910

4 (+)

3 (–)

AT–12

–

AUTOMATIC TRANSMISSION

SHIFT LOCK SYSTEM

1960

INSPECTION

1.

INSPECT SHIFT LOCK CONTROL ECU

Using a voltmeter, measure the voltage at each terminal.
HINT:
Do not disconnect the ECU connector.

Terminal

Measuring  Condition

Specified Condition

(1) IG SW ACC and shift lever P position

0 V

1 – 10 (KLS

 

– E)

(2) IG SW ACC and shift lever except P position

7.5 – 11V (about I second)

after 6 – 9 V

4

10 (ACC

E)

(1) IG SW ON

10 – 14 V

4 – 10 (ACC – E)

(2) IG SW ACC

10 – 14 V

7

10 (P1

E)

(1) Shift lever P position

0 V

7 – 10 (P1 – E)

(2) Shift lever except P position

10 – 14 V

(1) IG SW ON and shift lever P position

0 V

8

10 (SLS

E)

(2) IG SW ON and depress brake pedal or shift lever N position

3 – 6 V

8 – 10 (SLS

 

– E)

(3) IG SW ON and release brake pedal or shift lever except P position

0 V

(4) IG SW ACC and shift lever except P position

3 – 6 V

10 – Ground (E – Ground)

Constant

Continuity

2.

INSPECT KEY INTERLOCK SOLENOID

(a)

Disconnect the solenoid connector.

(b)

Using an ohmmeter, measure the resistance between ter-
minals 3 and 4.
Standard resistance: 12 – 17 

Ω

If the resistance value is not as specified, replace the solenoid.

(c)

Touch the solenoid with your finger and check that the so-
lenoid operation can be felt when battery voltage is ap-
plied intermittently to terminals 3 and 4.

If the operation is not as specified, replace the solenoid.

AT062–01

D01037

No.1 Safety Pad

End Pad

Finish Plate

Glove Compartment Panel Assembly

No.2 Under Cover

Box Plate

Ash Receptacle

No.1 Under Cover

Cluster Finish Panel

Shift Lever Assembly

Rear Console Armrest

Console Box

No.3 Console Box Mounting Bracket

No.1 Console Box Duct

Lower Rear Console Box

8.3 (85, 74 in.·lbf)

N·m (kgf·cm, ft·lbf) : Specified torque

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AUTOMATIC TRANSMISSION

FLOOR SHIFT ASSEMBLY

AT–13

1961

FLOOR SHIFT ASSEMBLY

COMPONENTS