1995 TOYOTA SUPRA Service Repair Manual

gas mileage hood release fuel additives key fob maintenance reset instrument cluster

Page 513 of 2543

TOYOTA SUPRA 1995 Service Repair Manual ELECTRIC CONTROL COMPONENTS
INSPECTION
1. INSPECT SHIFT LOCK CONTROL ECU
Using a voltmeter, measure the voltage at each terminal.
Connector Terminal

ELECTRIC CONTROL COMPONENTS
INSPECTION
1. INSPECT SHIFT LOCK CONTROL ECU
Using a voltmeter, measure the voltage at each terminal.
Connector Terminal Measuring condition Voltage (v)
ACC ± E IG SW ACC 10 ± 14
IG ± E IG SW ON 10 ± 14
A
STP ± E Depress brake pedal 10 ± 14

A

(1) IG SW ACC and P position

0
KLS ± E (2) R, N, D, 2, L position 7.5 ± 11
(3) R, N, D, 2, L position (after one second) 6 ± 9.5
(1) IG SW ON and P position 0

B

SLS(+)SLS( )
(2) Depress brake pedal 8 ± 13.5
B SLS(+)± SLS(±) (3) Depress brake pedal (after 20 seconds) 6 ± 8.5
(4) R,N,D,2,L position 0
PP

(1) IG SW ON, P position and depress brake pedal
0 P1±P (1) IG SW ON, P osition and de ress brake edal

C
P1 ± P (2) R,N,D,2,L position 9 ± 13.5
C
PP
(1) IG SW ACC and P position 9 ± 13.5
P2±P(1) IG SW ACC and P osition

P2 ± P
(2) R,N,D,2,L position

0
2. INSPECT SHIFT LOCK SOLENOID
(a) Disconnect the solenoid connector.
(b) Usin g an oh mme te r, me a su re th e re sista n ce be twe e n
terminals 1 and 2.
Standard resistance:
20±28
If resistance value is not as specified, replace the solenoid.
(c) Apply the battery positive voltage between terminals 1 and
2. At this time, confirm that the solenoid operates.
If the solenoid does not operated, replace the solenoid.
± A340E (2JZÐGTE) AUTOMATIC TRANSMISSIONSHIFT LOCK SYSTEMAT2±29

Page 514 of 2543

TOYOTA SUPRA 1995 Service Repair Manual 3. INSPECT KEY INTERLOCK SOLENOID
(a) Disconnect the solenoid connector.
(b) Usin g an oh mme te r, me a su re th e re sista n ce be twe e n
terminals 1 and 2.
Standard resistance:
12±17
If resi

Page 515 of 2543

TOYOTA SUPRA 1995 Service Repair Manual TROUBLESHOOTING
± A340E (2JZÐGTE) AUTOMATIC TRANSMISSIONTROUBLESHOOTINGAT2±31

Page 516 of 2543

TOYOTA SUPRA 1995 Service Repair Manual Vehicle Brought to Workshop
Customer Problem Analysis
P. AT2±33
Check and Clear Diagnostic Trouble Codes (Precheck)
P. AT2±34 ~AT2±35
Problem Symptom Confirmation
P. AT2±37
Symptom Simulation
P

Page 517 of 2543

TOYOTA SUPRA 1995 Service Repair Manual CUSTOMER PROBLEM ANALYSIS

Electronically Controlled
Transmission Check Sheet
Inspector s

CUSTOMER PROBLEM ANALYSIS

Electronically Controlled
Transmission Check Sheet
Inspector 's
Name:

Registration No.

Customer 's Name

Registration Year
//

Frame No.

Date Vehicle
Brought In

//

Odometer Reading

km
Miles

Date Problem
Occurred

//
How often Does ContinuousIntermittent ( times a day)
How often Does
Problem Occur? Continuous Intermittent (times a day)
Vehicle does not move. (Any position Particular position)

No up±shift ( 1st " 2nd 2nd " 3rd 3rd " O/D)
No down±shift ( O/D " 3rd 3nd " 2rd 2rd " 1st)

Lock±up malfuction
Symptoms Shift point too high or too low.

Harsh engagement ( N " D Lock±up Any drive position)
Slip or shudder

No Kick±down
No pattern select

Others
()

Check Item

Malfunction
Indicator Lamp
Normal Remains ON
Diagnostic
Trouble Code 1st Time Normal CodeMalfunction Code (Code )

Trouble Code
(O/D OFF Indi-
cator LIght)
2nd Time

Normal CodeMalfunction Code (Code )
± A340E (2JZÐGTE) AUTOMATIC TRANSMISSIONTROUBLESHOOTINGAT2±33

Page 518 of 2543

TOYOTA SUPRA 1995 Service Repair Manual DIAGNOSIS SYSTEM
The automatic transmission has built±in self±diagnostic
functions. If a malfunction occurs in the system, the ECM
stores the diagnostic trouble code in memory and the O/D
OFF (Over

Page 519 of 2543

TOYOTA SUPRA 1995 Service Repair Manual The trouble code is indicated as shown in the illustration at
left (Diagnostic trouble code º42º is shown as an example).
HINT: When 2 or more trouble codes are stored in memory,
the lower±numbered

Page 520 of 2543

TOYOTA SUPRA 1995 Service Repair Manual CHECK TERMINAL TT OUTPUT
VOLTAGE
When a voltmeter is connected to the DLC2, the following
items can be checked.
1. Throttle position sensor signal
2. Brake signal
3. Shift position signal
1. VOLTMETE

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