SYMPTOM PROCEDURES <AUTOMATIC TRANSMISSION>
TSB Revision
SYMPTOM PROCEDURES
23Ad-23
STEP 6. Disassemble and clean the valve body.
Check the O-ring installation bolts for looseness and the valve
body for damage. Repair or replace the faulty parts. Refer to
GROUP 23B, Valve Body
P.23B-80
.
Replace the valve body assembly if the damages are thought
to be irreparable. Then check the symptom.
Q: Is the symptom eliminated?
YES : The procedure is complete.
NO : Go to Step 8.
STEP 7. Replace each solenoid valve.
Replace the faulty solenoid valve with a new one.
Q: Is the symptom eliminated?
YES : The procedure is complete.
NO : Go to Step 8.
STEP 8. Replace the PCM.
Q: Is the symptom eliminated?
YES : The procedure is complete.
NO : Start over at Step 1.
INSPECTION PROCEDURE 11: Early or Late Shifting Some Gears
.
COMMENT
If some of the shift points are early or late when driv-
ing, the cause is probably a malfunction of the valve
body, or it is due to the characteristics of the
INVECS-II system but is not an abnormality.
.
TROUBLESHOOTING HINTS (The most likely
causes for this case:)
• Malfunction of the valve body
• Malfunction of the PCM
ACX02161AD
VALVE BODY ASSEMBLY
ACX02161AF
LOW-REVERSE
SOLENOID
VALVE
TORQUE CONVERTER
CLUTCH SOLENOID VALVE
OVER DRIVE
SOLENOID VALVE
SECOND
SOLENOID
VALVE
UNDERDRIVE
SOLENOID VALVE
REDUCTION
SOLENOID
VALVE <5A/T>