Honda 2004 Odyssey, Service Manual

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Symptom Probable cause(s) Notes
14-256
Automatic Transmission
Symptom Troubleshooting Index (cont’d)
•
•
•
•
•
Poor acceleration;
stall speed low 1.
2.
3.
4.
Torque converter clutch
solenoid valve defective
Engine output low
Lock-up clutch piston
defective
Lock-up shift valve
defective Check for a stuck lock-up valve in the valve body.
Engine idle
vibration 1.
2.
3.
4.
5.
6.
7.
Low ATF level
Torque converter clutch
solenoid valve defective
Drive plate defective or
transmission
misassembled
Engine output low
Lock-up clutch piston
defective
ATF pump worn or
binding
Lock-up shift valve
defective Set idle rpm in gear to the specified idle speed. If still no
good, adjust the engine and transmission mounts.
Check the ATF level and check the ATF cooler lines for
leakage and loose connections. If necessary, flush the
ATF cooler lines.
Vehicle moves in N 1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
Excessive ATF
Foreign material in
separator plate orifice
Relief valve defective
1st-hold clutch defective
1st clutch defective
2nd clutch defective
3rd clutch defective
4th clutch defective
5th clutch defective
Clutch clearance
incorrect
Needle bearing seized up,
worn, or damaged
Thrust washer seized up,
worn, or damaged Check the ATF level, and drain the ATF if it is over filled.
Inspect the clutch piston, clutch piston check valve, and
O-rings. Check the spring retainer for wear and damage.
Inspect the clutch end-plate-to-top-disc clearance. If the
clearance is out of tolerance, inspect the clutch discs
and plates for wear and damage. If the discs and plates
are worn or damaged, replace them as a set. If they are
OK, adjust the clutch end plate clearance.
Check all clutch pressures.
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