Kia Optima Hybrid: Automatic Transaxle System / Specifications

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Automatic Transaxle System / Specifications

Specifications

Item		Specifications
Transmission type		A6MF2H
Engine model		Gasoline 2.4
Torsion damper		DMF Type long travel
Torsion damper size		O 281.4 mm (11.0787 in.)
Engine clutch		Multi disc wet clutch
Oil pump system		Parachoid
Friction elements		Clutch: 2EA
		Brake: 3EA
		OWC : 1EA
Planetary gear		3EA
Gear ratio	1st	4.212
	2nd	2.637
	3rd	1.800
	4th	1.386
	5th	1.000
	6th	0.772
	Reverse	3.385
Final gear ratio		3.320
Fluid pressure balance piston		2EA
Accumulator		4EA
Solenoid valve		8EA (VFS:6EA, ON/OFF:2EA)
Shift lever position		4 Range (P,R,N,D)
Oil filter		1EA

VFS: Variable Force Solenoid

Sensors

Input Speed Sensor

Type: Hall effect sensor

Specifications

Operation condition (°C)°F		((-)40 ~ 150)) -40 ~ 302
Air gap(mm)in.		(0.95 ~ 1.55)0.950 ~ 1.55
Output voltage(V)	High	0.3 ~ 7.5
	Low	0.7 ~ 1.4

Output Speed Sensor

Type: Hall effect sensor

Specifications

Operation condition (°C)°F		((-)40 ~ 150)) -40 ~ 302
Air gap(mm)in.		(0.25 ~ 1.90) 0.098 ~ 0.0748
Output voltage(V)	High	0.3 ~ 7.5
	Low	0.7 ~ 1.4

Oil Temperature Sensor

Type: Negative thermal coefficient type

Specifications

Temp.(°C)°F	Resistance (k?)
(-40)-40	46.8
(-20)-4.0	15.6
(0)32.0	5.88
(20)68.0	2.51
(40)104.0	1.17
(60)140.0	0.59
(80)176.0	0.32
(100)212.0	0.18
(120)248.0	0.11
(140)284.0	0.07
(165)329.0	0.43

Inhibiter Switch

Type: Combination of output signals from 4 terminals

Specifications

Power supply (V)	12
Output type	Combination of output signals

Electric Oil Pump (EOP)

Specifications

Pump	Pumping capacity	About 6.46cc per one revolution
Pump	Type	Internal gear
Motor	Type	Brushless DC motor (3 phases)
	Torque	Rated 1.5 N.m
	Speed range	100 ~ 2,500 rpm

Oil Pump Unit (OPU)

Specifications

Operating voltage (V)	12
Current	15 ~ 20A (normal), 30A

Solenoid Valves

Direct control VFS [26/B, E/C]

Control type : Normal low type

Control Pressure kpa (kgf/cm?, psi)	9.81 ~ 500.14 (0.1 ~ 5.1,1.42 ~ 72.54)
Current value (mA)	50 ~ 850
Internal resistance (?)	5.1

Direct control VFS [UD/B, OD/C, 35R/C]

Control Type : Normal high type

Control Pressure kpa (kgf/cm?, psi)	500.14 ~ 9.81 (5.1 ~ 0.1,72.54 ~ 1.42)
Current value (mA)	50 ~ 850
Internal resistance (?)	5.1

Line Pressure Control VFS

Control type : Normal high type

Control Pressure kpa (kgf/cm?, psi)	500.14 ~ 9.81 (5.1 ~ 0.1,72.54 ~ 1.42)
Current value (mA)	50 ~ 850
Internal resistance (?)	5.1

ON/OFF Solenoid Valve (SS-A, SS-B)

Control type : Normal low type

Control pressure kpa (kgf/cm?, psi)	490.33(5.0, 71.12)
Internal resistance (?)	10 ~ 11

Solenoid Valve Operation Table

Range		VFS					On-Off
		UD	OD	35R	26	EC	SSA	SSB
		Normal High			Normal Low		SSA	SSB
P/N		?	?	?	?	HCU control	?	?
R		?	?	?	?		?	?
S	1ST	?	?	?	?		?	?
D	1ST	?	^	?	?		?	?
D/S	2ND	?	?	?	?		?	?
	3RD	?	?	?	?		?	?
	4TH	?	?	?	?		?	?
	5TH	?	?	?	?		?	?
	6TH	?	?	?	?		?	?

Failsafe of solenoid valve failure: 4th gear hold.

? : Solenoid is energized.

^ : ON (8 kph ^), OFF (6 kph v)

Clutch & Brake Operation Table

Range		Clutch			Brake
Range		OD/C	35R/C	OWC	LR/B	UD/B	26/B
P/N		?	?	?	?	?	?
R		?	?	?	?	?	?
S	1	?	?	?	0	?	?
D	1	?	?	?	0	?	?
D/S	2	?	?	?	?	?	?
	3	?	?	?	?	?	?
	4	?	?	?	?	?	?
	5	?	?	?	?	?	?
	6	?	?	?	?	?	?

?: Operated state

0: Operated at vehicle speed below 5km/h

Tightening Torques

Item	N.m	Kgf.m	lb-ft
TCM installation mounting bolt	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Shift cable bracket mounting bolt	14.7 ~ 21.6	1.5 ~ 2.2	10.8 ~ 15.9
Input shaft speed sensor mounting bolt	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Output shaft speed sensor mounting bolt	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Shift lever assembly bolt	8.8 ~ 13.7	0.9 ~ 1.4	9.4 ~ 10.8
Inhibitor switch mounting bolt	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
ATF warmer	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Valve body cover mounting bolt	13.8 ~ 15.7	1.2 ~ 1.4	10.1 ~ 11.6
Eyebolt	2.9 ~ 4.9	0.3 ~ 0.5	2.2 ~ 3.6
ATF drain plug	34.3 ~ 44.1	3.5 ~ 4.5	25.3 ~ 32.6
Automatic transaxle upper mounting bolt (TM=>Eng)	42.2 ~ 53.9	4.3 ~ 5.5	31.1 ~ 39.8
Automatic transaxle lower mounting bolt (Eng=>TM)	42.2 ~ 48.1	4.3 ~ 4.9	31.1 ~ 35.4
Automatic transaxle lower mounting bolt (Eng=>TM)	42.2 ~ 53.9	4.3 ~ 5.5	31.1 ~ 39.8
Automatic transaxle support bracket bolt	107.9 ~ 127.5	11.0 ~ 13.0	79.6 ~ 94.0

Lubricants

Item	Specified lubricant	Quantity
Transaxle fluid	ATF SP-? or equivalent	6.0L(1.59 U.S gal., 6.34 U.S.qt., 5.28 Imp.qt.)

High Voltage Shut-off Procedures

High Voltage Shut-off Procedures Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow ...

Special Service Tools

Special Service Tools Tools Name / NumberIllustrationDescription Engine support fixture 09200-3N000Removal and installation of the transaxle(? Permit operating with 09200-38001)Oil seal installerA: 09452-26100 ...

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