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K
SYMPTOM TROUBLESHOOTING
DIAGNOSTIC INDEX
I
TROUBLESHOOTING ITEM
1
1
No.
I
TROUBLE
I
DESCRIPTION
1
PAGE
1
I
Engine stalls
Engine runs
Engine starts in P, N and other ranges
Engine stops unexpectedly when shifted from N or P to
!
other ranaes at idle
1
K-20
1
/
Will start in other than P and N ranges
I
Engine stalls
i
I
poor
I
Driveaway
/
Engine speed increases normally but vehicle speed
1
Idle when shifted from
N or P to other ranaes
On deceleration
On deceleration
Engine stops unexpectedly at beginning of decelera-
tion or recovery from deceleration
Exhaust afterburn
Engine shakes at beginning of deceleration, during
deceleration, or recovery from deceleration
1
K-21
Exhaust afterburn
/
12
1
Veh~cle moves in P ranqe
1
Vehicle rolls in P ranqe, and drivetrain not locked up
,
K-24
1
J
6
7
8
9
10
1
Excessive creep
'
Vehicle moves quickly in
a,
D, 2, 1 and R range
I
(accelerator pedal not depressed)
1
I
acceleration
1
Vehicle moves in N range
1
Single range shift (Ist-r2nd, 2nd43rd or 3rd+O/D)
/
(4R44E)
Vehicle creeps in N range
Vehicle moves when accelerator pedal nbt depressed
1
K-24
On acceleration
1'"
slowly increases during driveaway
K-22
Engine speed increases normally but vehicle speed
slowly increases during acceleration
Surges while cruising
Lack of power
Poor iuel economy
Vehicle does not move
@,
D, 2,1,
andlor R ranges
Note
1
K-24
Excessive N to
R
range and N
to
@
range shift
I
shock felt
!
1
1
/
Frequent shifting
1
Downshift occurs when accelerator depressed slightly
I
K-25
in
0
and D ranaes
1
I
Momentary minor irregularity in engine output at
,
steady vehicle speed
Performance poor under load (i.e., power down when
climbing hills)
Fuel economy unsatisfactory
,
K-23
No creep at all
Vehicle does not move when accelerator pedal
1
K-24
depressed after shifted to
@,
D, 2, 1 andlor R range
1
Abnormal shift
I
/
Shift
point
high or low
(lst+2"d, 2nd-t3rd, 3rd+4th or 4th+O/D) (5R55E)
i
K-25
1
18
1
No l o c k u ~
I
No lockuo when vehicle soeed reaches l o c k u ~ ranae
1
K-26
1
Sometimes shifts correctly
Shifts incorrectly (incorrect shift pattern)
(ex) Vehicle shifts Ist+O/D
directly when accelerating with accelerator pedal
depressed slightly
Shift points do not match shift chart
Shifts delayed when accelerating
Shifts occur too fast when accelerating and engine
I
soeed does not increase
K-25
K-25
1
NO kickdown
I Does not downshift when accelerator pedal depressed
1
K-26
MK1151
-El
within kickdown range
Engine speed flares up on acceleration
P
When accelerating
When upshifting
andlor downshifting
20
21
K-26
Engine speed
flares up
Engine flares up when upshifting
I
Engine flares up suddenly when accelerator pedal
1
K-26
depresed for downshifting
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Table of Contents
Troubleshooting
