AUTOMATIC TRANSMISSION DIAGNOSIS
TSB Revision
AUTOMATIC TRANSMISSION DIAGNOSIS
23Ab-9
5
Engine: Idling
Transmission
range: N
Brake pedal
(Retest)
(1) Depressed
(2) Released
Data list No. 26
(1) ON
(2) OFF
Stoplight
switch
26
Stoplight switch
system
(
P.23Ac-83
)
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.23Ad-33
)
Engine: Idling
Transmission
range: N
Accelerator
pedal
(1) Fully closed
(2) Depressed
Data list No. 21
(1) Engine
tachometer and
the MUT-II show
the same engine
speed
(2) Gradually rises
from (1)
Crankshaft
position sensor
21
Crankshaft
position sensor
system
(
P.23Ac-27
)
Transmission
range
(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.23Ad-9
)
−
Shift shock
when shifting
from N to D and
long delay
(
P.23Ad-11
)
−
Shift shock
when shifting
from N to R and
long delay
(
P.23Ad-14
)
−
Shift shock
when shifting
from N to D, N
to R and long
delay (
P.23Ad-
17
)
Does not move −
Does not move
forward
(
P.23Ad-4
)
−
Does not move
backward
(
P.23Ad-6
)
−
Does not move
(forward or
backward)
(
P.23Ad-8
)
STEP CONDITION
BEFORE TEST/
OPERATION
TEST/
OPERATION
STANDARD
INSPECTION
ITEM
DTC
INSPECTION
PROCEDURE
PAGE