Scan Tool Data; Inspection Of Pcm And Its Circuit; Wire Harness And Connectors - Suzuki GRAND VITARA XL-7 Owner's Manual

GEAR SHIFT
Condition
Poor 1–2 shift, exces-
sive slippage
Poor 2–3 shift, exces-
sive slippage
Poor start or surging
in "D" range
Poor 3–4 shift, exces-
sive slippage
Poor start or juddering
in "R" range
Excessive shock on
1– 2 shift
Non operate lock-up
system
ABNORMAL NOISE
Condition
Abnormal noise in "P"
or "N" range

Scan Tool Data

Refer to Section 6-1.

Inspection of PCM and Its Circuit

Refer to Section 6-1.

Wire Harness and Connectors

Refer to Section 6-1.
Possible Cause
Fluid pressure leakage to overdrive clutch due
to wear or breakage of O/D case seal ring
Faulty second brake
Broken O-ring of second brake piston
Faulty second coast brake (in "2" range)
Fluid pressure leakage to overdrive clutch due
to wear or breakage of O/D case seal ring
Worn direct clutch bushing
Direct clutch slipping
Foreign material caught in direct clutch piston
check ball
Fluid pressure leakage of forward clutch due to
wear or breakage of O/D case seal ring
Malfunction of forward clutch
Faulty overdrive brake
Faulty overdrive clutch
Fluid pressure leakage of direct clutch due to
wear or breakage of oil center support seal ring
Worn direct clutch
Faulty one-way clutch
Faulty torque converter
Possible Cause
Worn oil pump
AUTOMATIC TRANSMISSION (4 A/T) 7B1-17
Correction
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Correction
Replace.