RM38N0EC _V1 General _111784 SPECIFICATIONS _0499476 K120 / K120F / K121 / K121F CVT F

SPECIFICATIONS  K120 / K120F / K121 / K121F CVT  SERVICE DATA  


K121 / K121F Continuously Variable Transaxle System
Engine stall speed D 1800 to 3000 rpm
Specified Secondary Oil Pressure
Engine stall speed
1800 to 3000 rpm
D 3000 to 7000 kPa (30.6 to 71.4 kgf/cm2, 435 to 1015 psi)
Time lag N → D Less than 1.2 seconds
N → R Less than 1.5 seconds
Engine idle speed (A/C off) N 750 to 850 rpm

Speed Variation Chart:
Shift Lever Position Drive Mode Accelerator Pedal Position (Vehicle Speed)
Fully Depressed*1 Constant Position
30 km/h (19 mph)*2
D NORMAL 5000 rpm or more 750 to 1400 rpm


Lock-up Schedule:
Shift Lever Position Lock-up Condition
(Accelerator Pedal Opening Angle)
Lock-up ON
(Constant position)
D 30 km/h
(19 mph)


1.

With the vehicle stopped, fully depress the accelerator pedal and check the engine speed with the accelerator pedal fully depressed. *1

2.

With the vehicle stopped, depress the accelerator pedal to accelerate to 30 km/h (19 mph), and check the engine speed with the accelerator pedal held in that constant position. *2


Continuously Variable Transaxle Fluid

*: Using CVT (Continuously Variable Transaxle) fluid other than the above type may cause abnormal noise or vibration, or damage the CVT (Continuously Variable Transaxle) of the vehicle.

Dry fill 8.6 liters (9.1 US qts, 7.6 Imp. qts) Toyota Genuine CVT fluid FE*

K121 / K121F Continuously Variable Transaxle Unit
Input shaft end play Standard input shaft end play 0.345 to 1.357 mm (0.0136 to 0.0534 in.)
Clearance of C-1 clutch Pack clearance (Reference) 0.45 to 0.75 mm (0.0177 to 0.0295 in.)
Forward clutch flange thickness Part number Thickness (mm (in.)) Mark
35635-12280 3.3 (0.130) B
35635-12290 3.4 (0.134) C
35635-12300 3.5 (0.138) D
35635-12310 3.6 (0.142) E
35635-12320 3.7 (0.146) F
35635-12330 3.8 (0.150) G
Forward clutch return spring sub-assembly Standard free length 18.54 mm (0.730 in.)
Planetary gear assembly Standard clearance 0.16 to 0.61 mm (0.00630 to 0.0240 in.)
Clearance of B-1 brake Pack clearance 0.588 to 1.272 mm (0.0231 to 0.0501 in.)
1st and reverse brake return spring sub-assembly Standard free length 17.56 mm (0.691 in.)
Thrust needle roller bearing and thrust bearing race diameter Mark Thrust bearing race diameter inside / outside
mm (in.)
Thrust bearing race diameter inside / outside
mm (in.)
A - 47.75 (1.88) / 65.8 (2.59)
B 26.38 (1.04) / 38.9 (1.53) 24.9 (0.98) / 38.9 (1.53)
C - 29.7 (1.17) / 49.1 (1.93)
Straight pin Protrusion height 7.0 to 8.0 mm (0.276 to 0.315 in.)
Differential case tapered roller bearing preload (at 10 rpm) Standard turning torque 1.65 to 2.66 N*m (17 to 27 kgf*cm, 15 to 23 in.*lbf)
Shim thickness (for 2WD) Part number Thickness (mm (in.)) Mark
90564-66038 1.76 (0.0693) A
90564-66039 1.79 (0.0705) B
90564-66067 1.82 (0.0717) C
90564-66068 1.85 (0.0728) D
90564-66069 1.88 (0.0740) E
90564-66070 1.91 (0.0752) F
90564-66071 1.94 (0.0764) G
90564-66072 1.97 (0.0776) H
90564-66073 2.00 (0.0787) J
90564-66074 2.03 (0.0799) K
90564-66075 2.06 (0.0811) L
90564-66076 2.09 (0.0823) M
90564-66077 2.12 (0.0835) N
90564-66078 2.15 (0.0846) P
90564-66079 2.18 (0.0858) Q
90564-66080 2.21 (0.0870) R
90564-66081 2.24 (0.0882) S
90564-66082 2.27 (0.0894) T
90564-66083 2.30 (0.0906) U
90564-66084 2.33 (0.0917) V
Shim thickness (for 4WD) Part Number Thickness (mm (in.)) Mark
90564-75036 1.77 (0.0697) A
90564-75037 1.80 (0.0709) B
90564-75038 1.83 (0.0720) C
90564-75039 1.86 (0.0732) D
90564-75040 1.89 (0.0744) E
90564-75041 1.92 (0.0756) F
90564-75042 1.95 (0.0768) G
90564-75043 1.98 (0.0780) H
90564-75044 2.01 (0.0791) J
90564-75045 2.04 (0.0803) K
90564-75046 2.07 (0.0815) L
90564-75047 2.10 (0.0827) M
90564-75052 2.13 (0.0839) N
90564-75053 2.16 (0.0850) P
90564-75054 2.19 (0.0862) Q
90564-75055 2.22 (0.0874) R
90564-75056 2.25 (0.0886) S
90564-75057 2.28 (0.0898) T
90564-75058 2.31 (0.0909) U
Adjust reduction driven gear tapered roller bearing preload (at 10 rpm) Standard turning torque Differential case tapered roller bearing preload + 3.21 to 6.11 N*m (33 to 62 kgf*cm, 29 to 54 in.*lbf)
Shim thickness Part number Thickness (mm (in.)) Mark
90564-44070 1.59 (0.0626) A
90564-44071 1.62 (0.0638) B
90564-44072 1.65 (0.0650) C
90564-44073 1.68 (0.0661) D
90564-44074 1.71 (0.0673) E
90564-44075 1.74 (0.0685) F
90564-44076 1.77 (0.0697) G
90564-44077 1.80 (0.0709) H
90564-44078 1.83 (0.0720) J
90564-44079 1.86 (0.0732) K
90564-44080 1.89 (0.0744) L
90564-44081 1.92 (0.0756) M
90564-44082 1.95 (0.0768) N
90564-44083 1.98 (0.0780) P
90564-44084 2.01 (0.0791) Q
90564-44085 2.04 (0.0803) R
90564-44086 2.07 (0.0815) S
90564-44087 2.10 (0.0827) T
90564-44088 2.13 (0.0839) U
90564-44089 2.16 (0.0850) V
90564-44090 2.19 (0.0862) W
90564-44091 2.22 (0.0874) X
90564-44092 2.25 (0.0886) Y
Front drive shaft oil seal LH Standard depth -0.5 to 0.5 mm (-0.0197 to 0.0197 in.)
Transaxle housing type T oil seal Standard depth -0.5 to 0.5 mm (-0.0197 to 0.0197 in.)

Torque Converter and Drive Plate
Drive plate runout Maximum 0.30 mm (0.0118 in.)

K120F / K121F Front Differential Oil Seal (for LH Side)
Front drive shaft oil seal LH Standard depth -0.5 to 0.5 mm (-0.0197 to 0.0197 in.)

K120F / K121F Front Differential Oil Seal (for RH Side)
Front drive shaft oil seal RH Standard depth 24.5 to 25.5 mm (0.965 to 1.004 in.)
Differential side oil seal Standard depth 5.5 to 6.5 mm (0.217 to 0.256 in.)

K120 /K121 Front Differential Oil Seal
Front drive shaft oil seal LH Standard depth -0.5 to 0.5 mm (-0.0197 to 0.0197 in.)
Front drive shaft oil seal RH Standard depth -0.5 to 0.5 mm (-0.0197 to 0.0197 in.)

Revolution Sensor (NT Sensor)
Transmission revolution sensor (NT)
Tester Connection Condition Specified Condition
1 (NTO) - 2 (NTB) Low signal 4 to 8 mA
High signal 12 to 16 mA

Revolution Sensor (NOUT Sensor)
Transmission revolution sensor (NOUT)
Tester Connection Condition Specified Condition
1 (NOO) - 2 (NOB) Low signal 4 to 8 mA
High signal 12 to 16 mA

Revolution Sensor (NSS Sensor)
Transmission revolution sensor (NSS)
Tester Connection Condition Specified Condition
1 (NSSO) - 2 (NSSB) Low signal 4 to 8 mA
High signal 12 to 16 mA

Shift Stroke Sensor
Shift stroke sensor
Standard voltage (Combined dry-cell battery voltage of 4.5 V)
Tester Connection Condition Specified Condition
4 (VOUT) - 3 (GND) High signal 4.09 to 4.19 V
Low signal 0.36 to 0.45 V
Reference voltage (Combined dry-cell battery voltage of 5.0 V)
Tester Connection Condition Specified Condition
4 (VOUT) - 3 (GND) High signal 4.55 to 4.65 V
Low signal 0.4 to 0.5 V

K121 / K121F Shift Lever Position Sensor
Shift lever position sensor
Tester Connection Condition Specified Condition
6 (+B) - 2 (P) Shift lever in P Below 1 Ω
6 (+B) - 7 (PR) Below 1 Ω
6 (+B) - 4 (PNB) Below 1 Ω
6 (+B) - 1 (R), 8 (N), 3 (DB1) or 9 (DB2) 10 kΩ or higher
6 (+B) - 7 (PR) Shift lever in R Below 1 Ω
6 (+B) - 1 (R) Below 1 Ω
6 (+B) - 2 (P), 8 (N), 3 (DB1), 9 (DB2) or 4 (PNB) 10 kΩ or higher
6 (+B) - 8 (N) Shift lever in N Below 1 Ω
6 (+B) - 4 (PNB) Below 1 Ω
6 (+B) - 2 (P), 7 (PR), 1 (R), 3 (DB1) or 9 (DB2) 10 kΩ or higher
6 (+B) - 3 (DB1) Shift lever in D or M Below 1 Ω
6 (+B) - 9 (DB2) Below 1 Ω
6 (+B) - 2 (P), 7 (PR), 1 (R), 8 (N) or 4 (PNB) 10 kΩ or higher

Shift Lever
Shift lock control ECU
Inspect wire harness:
Tester Connection Condition Specified Condition
E25-5 (IG) - Body ground Ignition switch ON 11 to 14 V
Ignition switch off Below 1 V
E25-4 (STP) - Body ground Ignition switch ON, brake pedal depressed 11 to 14 V
Ignition switch ON, brake pedal released Below 1 V
E25-1 (E) - Body ground Always Below 1 Ω
Inspect shift lock solenoid:
Tester Connection Condition Specified Condition
4 (P) - 3 (E2) Shift lever in P 10 kΩ or higher
Shift lever not in P Below 1 Ω
1 (SLS+) - 2 (SLS-) Always 112 Ω
Transmission control switch:
Tester Connection Condition Specified Condition
4 (IG) - 5 (S) Shift lever in M, "+" or "-" Below 1 Ω
Shift lever not in M, "+" or "-" 10 kΩ or higher
3 (SFTU) - 2 (E) Shift lever held in "+" (Up-shift) Below 1 Ω
Shift lever not held in "+" (Up-shift) 10 kΩ or higher
1 (SFTD) - 2 (E) Shift lever held in "-" (Down-shift) Below 1 Ω
Shift lever not held in "-" (Down-shift) 10 kΩ or higher

Combination Switch
Drive mode select switch (Combination switch assembly)
Tester Connection Condition Specified Condition
6 (SEL) - 5 (E) Pushed and held at "A" side Below 50 Ω
Released (neutral position) 10 kΩ or higher
7 (E) - 5 (E) Pushed and held at "B" side Below 50 Ω
Released (neutral position) 10 kΩ or higher
Measurement Condition Specified Condition
Battery positive (+) → 4 (ILL+)
Battery negative (-) → 1 (ILL-)
Illuminates

K121 / K121F Valve Body Assembly
Shift solenoid valve (SL1, SL2, SLU, SLP, SLS)
Tester Connection Condition Specified Condition
1 - 2 20°C (68°F) 5.0 to 5.6 Ω
Shift solenoid valve (SC1, SC2, SC3)
Tester Connection Condition Specified Condition
Shift solenoid valve SC1 connector terminal - Shift solenoid valve SC1 body 20°C (68°F) 11 to 15 Ω

K120F / K121F Differential Case
Front drive shaft oil seal RH Oil seal drive in depth 24.5 to 25.5 mm (0.965 to 1.004 in.)