Mazda CX-7 2007 Workshop Manual page 983

SYMPTOM TROUBLESHOOTING [AW6A-EL, AW6AX-EL]
No. TROUBLESHOOTING ITEM
• Frequent shifting
10
• Shift point is high or low
11
• Torque converter clutch (TCC)
12
non-operation
• No kickdown
13
• Engine flares up or slips when
14
upshifting or downshifting
• Engine flares up or slips when
15
accelerating vehicle
• Judder upon torque converter
16
clutch (TCC) operation
• Excessive shift shock from N to D
17
or N to R position/range
• Excessive shift shock is given
18
when upshifting and downshifting
• Excessive shift shock on torque
19
converter clutch (TCC)
• Noise occurs at idle when vehicle
20
is stopped in all positions/ranges
• Noise occurs at idle when vehicle
21
is stopped in D range, or in R
position
DESCRIPTION
• Downshifting occurs suddenly even
when accelerator pedal is depressed
slightly in D range.
• Shift point considerably different from
automatic shift diagram.
• Shift delays when accelerating.
• Shift occurs suddenly when accelerating
and engine speed does not increase.
• TCC does not operate when vehicle
reaches TCC operation range.
• Does not downshift when accelerator
pedal is fully depressed within kickdown
range.
• When accelerator pedal is depressed,
engine speed increases normally but
vehicle speed increases slowly.
• When accelerator pedal is depressed
while driving, engine speed increases
but vehicle speed does not increase.
• Engine flares up when accelerator pedal
is depressed for upshifting.
• Engine flares up suddenly when
accelerator pedal is depressed for
downshifting.
• Vehicle jolts when TCC is engaged.
• Strong shock is felt when shifting from N
to D or N to R position/range at idle.
• Excessive shift shock is felt when
depressing accelerator pedal to
accelerate at upshifting.
• During cruising, excessive shift shock is
felt when depressing accelerator pedal
at downshifting.
• Strong shock is felt when TCC is
engaged.
• Transaxle is noisy in all positions and
ranges when vehicle is idling.
• Transaxle is noisy in driving ranges
when vehicle is idling.
PAGE
(See 05-03-18 NO.10
FREQUENT SHIFTING[AW6A-
EL, AW6AX-EL].)
(See 05-03-18 NO.11 SHIFT
POINT IS HIGH OR
LOW[AW6A-EL, AW6AX-EL].)
(See 05-03-18 NO.12
TORQUE CONVERTER
CLUTCH (TCC) NON-
OPERATION[AW6A-EL,
AW6AX-EL].)
(See 05-03-19 NO.13 NO
KICKDOWN[AW6A-EL,
AW6AX-EL].)
(See 05-03-19 NO.14 ENGINE
FLARES UP OR SLIPS WHEN
UPSHIFTING OR
DOWNSHIFTING[AW6A-EL,
AW6AX-EL].)
(See 05-03-20 NO.15 ENGINE
FLARES UP OR SLIPS WHEN
ACCELERATING
VEHICLE[AW6A-EL, AW6AX-
EL].)
(See 05-03-21 NO.16
JUDDER UPON TORQUE
CONVERTER CLUTCH (TCC)
OPERATION[AW6A-EL,
AW6AX-EL].)
(See 05-03-21 NO.17
EXCESSIVE SHIFT SHOCK
FROM N TO D OR N TO R
POSITION/RANGE[AW6A-EL,
AW6AX-EL].)
(See 05-03-23 NO.18
EXCESSIVE SHIFT SHOCK IS
GIVEN WHEN UPSHIFTING
AND DOWNSHIFTING[AW6A-
EL, AW6AX-EL].)
(See 05-03-23 NO.19
EXCESSIVE SHIFT SHOCK
ON TORQUE CONVERTER
CLUTCH (TCC)[AW6A-EL,
AW6AX-EL].)
(See 05-03-23 NO.20 NOISE
OCCURS AT IDLE WHEN
VEHICLE IS STOPPED IN ALL
POSITIONS/RANGES[AW6A-
EL, AW6AX-EL].)
(See 05-03-24 NO.21 NOISE
OCCURS AT IDLE WHEN
VEHICLE IS STOPPED IN D
RANGE, OR IN R
POSITION[AW6A-EL, AW6AX-
EL].)
05-03–5
05-03