Mitsubishi Eclipse / Eclipse Spyder (2000-2002). Service and repair manual — part 432

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-19

Incomplete
shifting

1st

Gear ratio value which is
sent from the output shaft
speed sensor is not
identical to the output from
the input shaft speed
sensor for one second
after shifting finished.

The diagnostic trouble code is displayed and the
judgement condition occurs once. When the
judgement condition is met four times, the A/T
control relay is turned off and for vehicles with sport
mode "N" range light flashes.

2nd

3rd

4th

Reverse

A/T control relay

A/T control relay voltage is
less than seven volts for
0.1 second after the
ignition switch is turned
"ON."

Switch the A/T control relay off and for vehicles with
sport mode "N" range light flashes.

Abnormality in the PCM

Abnormality has occurred
in the PCM.

Switch the A/T control relay off.

MALFUNCTIONING
ITEM

JUDGEMENT
CONDITION

CONTROL CONTENTS DURING MALFUNCTION

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-20

ROAD TEST

M1231007800065

Check by the following procedures

STEP

CONDITION BEFORE
TEST/OPERATION

TEST/OPERATION

STANDARD

INSPECTION
ITEM

DTC

INSPECTION
PROCEDURE
PAGE

1

Ignition switch:
(LOCK) OFF

Ignition switch
(1) ON

Data list No. 54

(1) Control

Relay Voltage
[V]

A/T Control
relay
output
voltage

54

A/T Control
relay system
(

P.23A-237

.)

2

Ignition switch:
ON
Engine: Stopped
Selector lever
position: P

Selector lever position
<Vehicles without sport
mode>
(1) P, (2) R, (3) N, (4) D, (5)
3, (6) 2, (7) L

Data list No. 61
(1) P, (2) R, (3)
N, (4) D, (5) 3,
(6) 2, (7) L

Park/
Neutral
position
switch

27,
28

Park/Neutral
position switch
system
(

P.23A-135

,

P.23A-163

.)

Selector lever position
<Vehicles with sport
mode>
(1) P, (2) R, (3) N, (4) D

Data list No. 61
(1) P, (2) R, (3)
N, (4) D

Selector lever position
<Vehicles with sport
mode>
(1) D (1st gear)
(2) Select the sport mode
(1st gear)
(3) Upshift and hold the
selector lever in that
position (2nd gear)
(4) Downshift and hold the
selector lever in that
position (1st gear)

Data list No. 67
(1) OFF, (2) ON,
(3) ON, (4) ON
Data list No. 68
(1) OFF, (2) OFF,
(3) ON, (4) OFF
Data list No. 69
(1) OFF, (2) OFF,
(3) OFF, (4) ON

Select
switch
Shift switch

-

Shift switch
assembly
system (

P.23A-

351

.)

Shift indicator
light
(1) "D" or "1"
illuminates
(2) Only "1"
illuminates
(3) Only "2"
illuminates
(4) Only "1"
illuminates

Accelerator pedal
(1)Fully closed
(2)Depressed
(3)Fully open

Data list No. 11
(1)535

−

735 mV

(2)Gradually
rises from (1)
(3)4,500

−

5,500

mV

TPS

11,
12,
14

TPS system
(

P.23A-47

,

P.23A-65

.)

Brake pedal
(1)Depressed
(2)Released

Data list No. 26
(1)ON
(2)OFF

Stoplight
switch

26

Stoplight
switch system
(

P.23A-128

.)

3

Ignition switch:
ST
Engine: Stopped

Starting test with lever in P
or N range

Starting should
be possible

Starting

-

Vehicles does
not move
(

P.23A-254

.)

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-21

4

Warming up

Drive for 15 minutes or
more so that the A/T fluid
temperature becomes 70

−

80

°

C. (158

−

176

°

F)

Data list No. 15
Gradually rises
to 70

−

80

°

C

(158

−

176

°

F)

A/T fluid
temperatur
e sensor

15,
16

A/T fluid
temperature
sensor system
(

P.23A-75

,

P.23A-82

.)

5

Engine: Idling
Selector lever
position: N

Brake pedal (Retest)
(1)Depressed
(2)Released

Data list No. 26
(1)ON
(2)OFF

Stoplight
switch

26

Stoplight
switch system
(

P.23A-128

.)

A/C switch
(1)ON
(2)OFF

Data list No. 65
(1)ON
(2)OFF

Dual
pressure
switch

-

Vehicle shifts
differently with
A/C engaged
(

P.23A-285

.)

5

Engine: Idling
Selector lever
position: N

Accelerator pedal
(1)Fully closed
(2)Depressed

Data list No. 21
(1)Engine
tachometer and
the MUT-II
shows the same
engine speed
(2)Gradually
rises from (1)

Crankshaft
position
sensor

21

Crankshaft
position sensor
system (

P.23A-

87

.)

STEP

CONDITION BEFORE
TEST/OPERATION

TEST/OPERATION

STANDARD

INSPECTION
ITEM

DTC

INSPECTION
PROCEDURE
PAGE

AUTOMATIC TRANSAXLE DIAGNOSIS

TSB Revision

AUTOMATIC TRANSAXLE

23A-22

5

Engine: Idling
Selector lever
position: N

Selector lever position
(1)N

→

D

(2)N

→

R

Should be no
abnormal shift
shocks
Time delay when
engaging should
be within 2
seconds

Malfunction
when
starting

-

Engine stalls
when moving
selector lever
from N to D or
N to R (

P.23A-

261

.)

-

Shift shocks
when shifting
from N to D
and long delay
(

P.23A-263

.)

-

Shift shocks
when shifting
from N to R
and long delay
(

P.23A-266

.)

-

Shift shocks
when shifting
from N to D, N
to R and long
delay (

P.23A-

269

.)

Does not
move

-

Does not move
forward
(

P.23A-255

.)

-

Does not move
backward
(

P.23A-257

.)

-

Does not move
(forward or
backward)
(

P.23A-260

.)

STEP

CONDITION BEFORE
TEST/OPERATION

TEST/OPERATION

STANDARD

INSPECTION
ITEM

DTC

INSPECTION
PROCEDURE
PAGE