Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual - part 633
7A1–32 AUTOMATIC TRANSMISSION (4L30-E)
CHART 6: DIAGNOSTIC TROUBLE CODE (DTC) 61
PERFORM PRELIMINARY INSPECTION FIRST!
DTC 61 sets.
Check line
pressure
Check
3rd gear in “D”
in winter mode.
Does vehicle
move?
Check for suspected conditions
modifying delays to clutch apply:
– Overrun clutch seal damaged
– Excessive overrun clutch piston
travel
– Defective 3-4 accumulator piston
– Causes of internal leaks
– Causes of burned clutch plates
Low line pressure
Use CHART 15a: POSSIBLE CAUSES
OF LOW LINE PRESSURE on page
7A1-39
Refer to Line Pressure chart
(
in this Section.
)
Normal line pressure
1st and 4th gear missing
or 2nd and 3rd gear
missing
Shift solenoid A stuck.
Replace shift solenoid A.
1st and 2nd gear missing
or 3rd and 4th gear
missing
Check appropriate shift
valve
If OK replace solenoid
DTC 61 is set in “D” range
1st gear above 3500 rpm
Check for suspected conditions
modifying delays to clutch apply:
– 2nd clutch seal damaged
– Excessive 2nd clutch piston travel
– Defective accumulator piston
– Causes of internal leaks
– Check ball missing or out of
location in 2nd clutch
– Seals cut, damaged or missing
– Gaskets defective
– Causes of burned clutch plates
DTC 61 is set in “D” range
3rd gear between 55-80
mph *
Check for suspected conditions
modifying delays to clutch apply:
– 4th clutch seal damaged
– Excessive 4th clutch piston travel
– Defective 3-4 accumulator piston
– Causes of internal leaks
– Causes of burned clutch plates
No engine brake in any
range
(All ranges in Drive &
Reverse are OK)
YES
NO
* Perform this test within safe and legal limits.