Honda ACCORD HYBRID 2005 Service Manual page 855

< 3 ®
Symptom Probable cause(s) Notes
Excessive shock or
flares on 2-3
upshift or 3-2
d o w n s h i f t
1. Shift solenoid valve B defective
2. Shift solenoid valve C defective
3. A/T clutch pressure control
solenoid valve B defective
4. 3rd clutch transmission fluid
pressure switch defective
5. CPC valve B defective
6. Foreign material in separator
plate orifice
7. Shift valve C defective
8. 2nd accumulator defective
9. 3rd accumulator defective
10. 2nd check ball stuck
11. 2nd clutch defective
12. 3rd clutch defective
• Check for a stored DTC, and check for loose
connectors.
• Check the shift solenoid valve for seizure, and
inspect the O-rings.
• Check for clogged orifice in the t r a n s m i s s i o n
fluid pressure switch connector. If the orifice is
clogged, remove it and clean the connector.
• Check the 2nd and 3rd clutch pressures.
• 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
w e a r and damage, and inspect the clutch w a v e d -
plate height. If the discs and flat-plates are w o r n
or d a m a g e d , replace the discs and flat-plates as a
set. If the waved-plate height is out of tolerance,
replace the waved-plate. If the discs and plates
are OK, adjust the clearance w i t h the clutch end
plate.
Excessive shock or
flares on 3-4
upshift or 4-3
d o w n s h i f t
1. Shift solenoid valve A defective
2. Shift solenoid valve C defective
3. A/T clutch pressure control
solenoid valve B defective
4. 4th clutch transmission fluid
pressure switch defective
5. CPC valve B defective
6. Foreign material in separator
plate orifice
7. Shift valve C defective
8. 3rd accumulator defective
9. 4th accumulator defective
10. 3rd clutch defective
11. 4th clutch defective
• Check for a stored DTC, and check for loose
connectors.
• Check the shift solenoid valve for seizure, and
inspect the O-rings.
• Check for clogged orifice in the transmission
fluid pressure switch connector. If the orifice is
clogged, remove it and clean the connector.
• Check the 3rd and 4th clutch pressures.
• Inspect the clutch piston, clutch piston check
valve, and O-rings. Check the spring retainer for
w e a r 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
w e a r and damage, and inspect the clutch w a v e d -
plate height. If the discs and flat-plates are w o r n
or d a m a g e d , replace the discs and flat-plates as a
set. If the waved-plate height is out of tolerance,
replace the waved-plate. If the discs and plates
are OK, adjust the clearance w i t h the clutch end
plate.
(cont'd)
14-19