Honda Ridgeline. Manual - part 159
Symptom
Probable cause(s)
Notes
14-21
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Excessive shock or
flares on 2-3
upshift or 3-2
downshift
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
Shift solenoid valve C defective
A/T clutch pressure control
solenoid valve A defective
A/T clutch pressure control
solenoid valve B defective
3rd clutch transmission fluid
pressure switch defective
CPC valve B defective
Foreign material in separator
plate orifice
Shift valve C defective
2nd accumulator defective
3rd accumulator defective
2nd check ball stuck
2nd clutch defective
3rd clutch defective
Check for a stored DTC, and check for loose
connectors.
Inspect the O-rings, and check the shift solenoid
valve for seizure.
Check for clogged orifice in the transmission
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 clearance between
the clutch end-plate and the top disc. If the
clearance is out of tolerance, inspect the clutch
discs and plates for wear and damage, and
inspect the clutch wave-plate height. If the discs
and plates are worn or damaged, replace the
discs and plates as a set. If the wave-plate height
is out of tolerance, replace the wave-plate. If the
discs and plates are OK, adjust the clearance with
the clutch end-plate.
Excessive shock or
flares on 3-4
upshift or 4-3
downshift
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Shift solenoid valve C defective
A/T clutch pressure control
solenoid valve A defective
A/T clutch pressure control
solenoid valve B defective
4th clutch transmission fluid
pressure switch defective
CPC valve B defective
Foreign material in separator
plate orifice
Shift valve C defective
3rd accumulator defective
4th accumulator defective
3rd clutch defective
4th clutch defective
Check for a stored DTC, and check for loose
connectors.
Inspect the O-rings, and check the shift solenoid
valve for seizure.
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
wear and damage. Inspect the clearance between
the clutch end-plate and the top disc. If the
clearance is out of tolerance, inspect the clutch
discs and plates for wear and damage, and
inspect the clutch wave-plate height. If the discs
and plates are worn or damaged, replace the
discs and plates as a set. If the wave-plate height
is out of tolerance, replace the wave-plate. If the
discs and plates are OK, adjust the clearance with
the clutch end-plate.
(cont’d)