Mazda CX 7. Manual — part 247
SYMPTOM TROUBLESHOOTING [AW6A-EL, AW6AX-EL]
05-03–7
05-03
QUICK DIAGNOSIS CHART[AW6A-EL, AW6AX-EL]
id050310800500
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Vehicle does not move in D range, or in R position
Vehicle moves in N position
Vehicle moves in P position, or parking gear does not
disengage when P is disengaged
Excessive creep
No creep at all
Low maximum speed and poor acceleration
No shifting
Does not shift to 6GR
Abnormal shifting
Frequent shifting
Shift point is high or low
Torque converter clutch (TCC) non-operation
No kickdown
Engine flares up or slips when upshifting or downshifting
Engine flares up or slips when accelerating vehicle
Judder upon torque converter clutch (TCC) operation
Excessive shift shock from N to D or N to R position/range
Excessive shift shock is given when upshifting and
downshifting
Excessive shift shock on torque converter clutch (TCC)
Noise occurs at idle when vehicle is stopped in all
positions/ranges
Noise occurs at idle when vehicle is stopped in D
range, or in R position
No engine braking in 1GR position of M range
Transaxle overheats
Engine stalls when shifted to D range, or in R position
Engine stalls when driving at slow speeds or stopping
Starter does not work
Gear position indicator light does not illuminate in M range
Gear position indicator light illuminates in D range or P, N,
R positions
Does not upshift in M range
Does not downshift in M range
Selector le
v
er is mis-adjisted
Not within line pressure specification
Not within Idle speed specification
P
a
rking mechanism not oper
ating proper
ly
Not within ignition timing specification
N position lear
ning is not perf
or
med
TR s
witch initial lear
ning
TR s
witch
M r
ange s
witch
Up s
witch
Not within A
TF amount
No signal input
No signal input
Abnor
mal signal input
Abnor
mal signal input
No signal input
Abnor
mal signal input
Open/shor
t
Open/shor
t
Open/shor
t
Open/shor
t
Engine speed (from PCM)
Acceler
ator opening (from PCM)
Shift position (to instr
ument cluster)
TCM po
w
er supply/GND
Gar
age shift lear
ning is not perf
or
med
Symptom item
Cause of trouble
Electrical system components
ATX outer parts
CAN
signal
X
acxuuw00002272
1871-1U-06B(05-03).fm 7 ページ 2006年3月15日 水曜日 午前11時19分
SYMPTOM TROUBLESHOOTING [AW6A-EL, AW6AX-EL]
05-03–8
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18
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28
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30
2
3
Vehicle does not move in D range, or in R position
Excessive creep
Gear position indicator light does not illuminate in M range
Starter does not work
Symptom item
Cause of trouble
Does not downshift in M range
Does not upshift in M range
Engine stalls when driving at slow speeds or stopping
Engine stalls when shifted to D range, or in R position
Transaxle overheats
No engine braking in 1GR position of M range
Excessive shift shock on torque converter clutch (TCC)
Excessive shift shock from N to D or N to R position/range
Judder upon torque converter clutch (TCC) operation
Engine flares up or slips when accelerating vehicle
Engine flares up or slips when upshifting or downshifting
No kickdown
Torque converter clutch (TCC) non-operation
Shift point is high or low
Frequent shifting
Abnormal shifting
Does not shift to 6GR
No shifting
Low maximum speed and poor acceleration
No creep at all
Vehicle moves in N position
Vehicle moves in P position, or parking gear does not
disengage when P is disengaged
Gear position indicator light illuminates in D range or P, N,
R positions
Noise occurs at idle when vehicle is stopped in D
range, or in R position
Noise occurs at idle when vehicle is stopped in all
positions/ranges
Excessive shift shock is given when upshifting and
downshifting
TFT sensor
VSS
Do
wn s
witch
Input/turbine
speed sensor
No signal input
No signal input
No signal input
Malfunction signal input
Abnor
mal signal input
Abnor
mal signal input
Abnor
mal signal input
Shift solenoid A
Star
ter loc
k rela
y
TCC control solenoid
Line pressure control solenoid
Open/shor
t
Open/shor
t
Open/shor
t
Open/shor
t
Open/shor
t
Open/shor
t
Open/shor
t
Open/shor
t
Open/shor
t
Open/shor
t
Electrical system components
ATX outer parts
ATX inner parts
Shift solenoid B
Shift solenoid D
Shift solenoid F
Shift solenoid E
Shift solenoid C
acxuuw00002273
1871-1U-06B(05-03).fm 8 ページ 2006年3月15日 水曜日 午前11時19分
SYMPTOM TROUBLESHOOTING [AW6A-EL, AW6AX-EL]
05-03–9
05-03
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29
30
Vehicle does not move in D range, or in R position
Vehicle moves in N position
Vehicle moves in P position, or parking gear does not
disengage when P is disengaged
Excessive creep
No creep at all
Low maximum speed and poor acceleration
No shifting
Does not shift to 6GR
Abnormal shifting
Frequent shifting
Shift point is high or low
Torque converter clutch (TCC) non-operation
No kickdown
Engine flares up or slips when upshifting or downshifting
Engine flares up or slips when accelerating vehicle
Judder upon torque converter clutch (TCC) operation
Excessive shift shock from N to D or N to R position/range
Excessive shift shock is given when upshifting and
downshifting
Excessive shift shock on torque converter clutch (TCC)
Noise occurs at idle when vehicle is stopped in all
positions/ranges
Noise occurs at idle when vehicle is stopped in D
range, or in R position
No engine braking in 1GR position of M range
Transaxle overheats
Engine stalls when shifted to D range, or in R position
Engine stalls when driving at slow speeds or stopping
Starter does not work
Gear position indicator light does not illuminate in M range
Gear position indicator light illuminates in D range or P, N,
R positions
Does not upshift in M range
Does not downshift in M range
Symptom item
Cause of trouble
V
alv
e body spool is not oper
ating proper
ly
C1 accum
ulator is not oper
ating proper
ly
B1 accum
ulator is not oper
ating proper
ly
B2 accum
ulator is not oper
ating proper
ly
Shift solenoid A h
ydr
aulic circuit
Clogging
Clogging
Clogging
Clogging
Clogging
Clogging
Clogging
Clogging
Shift solenoid E h
ydr
aulic circuit
Shift solenoid D h
ydr
aulic circuit
Shift solenoid C h
ydr
aulic circuit
Shift solenoid F h
ydr
aulic circuit
Line pressure control solenoid h
ydr
aulic circuit
TCC control solenoid h
ydr
aulic circuit
Shift solenoid B h
ydr
aulic circuit
Centr
ifugal h
ydr
aulic pressure clutch is not oper
ating proper
ly
A
TF cooler is not oper
ating proper
ly
C2 accum
ulator is not oper
ating proper
ly
C3 accum
ulator is not oper
ating proper
ly
Control valve body
Hydraulic system components
acxuuw00002274
1871-1U-06B(05-03).fm 9 ページ 2006年3月15日 水曜日 午前11時19分
SYMPTOM TROUBLESHOOTING [AW6A-EL, AW6AX-EL]
05-03–10
End Of Sie
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9
10
11
12
13
14
15
16
17
19
22
23
24
25
26
18
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21
28
27
29
30
2
3
Vehicle does not move in D range, or in R position
Excessive creep
Gear position indicator light does not illuminate in M range
Starter does not work
Symptom item
Cause of trouble
Does not downshift in M range
Does not upshift in M range
Engine stalls when driving at slow speeds or stopping
Engine stalls when shifted to D range, or in R position
Transaxle overheats
No engine braking in 1GR position of M range
Excessive shift shock on torque converter clutch (TCC)
Excessive shift shock from N to D or N to R position/range
Judder upon torque converter clutch (TCC) operation
Engine flares up or slips when accelerating vehicle
Engine flares up or slips when upshifting or downshifting
No kickdown
Torque converter clutch (TCC) non-operation
Shift point is high or low
Frequent shifting
Abnormal shifting
Does not shift to 6GR
No shifting
Low maximum speed and poor acceleration
No creep at all
Vehicle moves in N position
Vehicle moves in P position, or parking gear does not
disengage when P is disengaged
Gear position indicator light illuminates in D range or P, N,
R positions
Noise occurs at idle when vehicle is stopped in D
range, or in R position
Noise occurs at idle when vehicle is stopped in all
positions/ranges
Excessive shift shock is given when upshifting and
downshifting
Slipping (clutch, br
ak
e)
Bur
nt (clutch, br
ak
e)
TCC is cr
ac
king or peeling
TCC is not oper
ating proper
ly
One-w
a
y
clutch is not oper
ated proper
ly
T
orque con
v
e
rter is not oper
ating proper
ly
Powertrain
acxuuw00002275
1871-1U-06B(05-03).fm 10 ページ 2006年3月15日 水曜日 午前11時19分
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