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Wiring diagrams Section: Automatic Trans

Automatic Transmission (U660E) (Preparation)

Automatic Transmission (U660F) (Preparation)

Automatic Transmission (U660E) (Diagnostic Codes (P0796-U0100) & Circuit Tests): Overview
Automatic Transmission (U660E) (Diagnostic Codes (P0796-U0100) & Circuit Tests): Diagnosis
Automatic Transmission (U660E) (Diagnostic Codes (P0796-U0100) & Circuit Tests): Other

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Automatic Transmission (U660E) (Service Specifications): Other Lexus RX III

Automatic Trans

SERVICE DATA

Line pressure (Wheel locked)
Engine idling	D position	360 to 430 kPa (3.7 to 4.4 kgf/cm 2 , 52 to 62 psi)
Engine idling	R position	800 to 950 kPa (8.2 to 9.7 kgf/cm 2 , 116 to 138 psi)
At stall speed (Throttle valve fully open)	D position	1160 to 1350 kPa (11.8 to 13.8 kgf/cm 2 , 168 to 196 psi)
At stall speed (Throttle valve fully open)	R position	1900 to 2200 kPa (19.4 to 22.4 kgf/cm 2 , 276 to 319 psi)
Engine stall speed	D position	2720 +200 / -490 rpm
Time lag	N --> D position	Less than 1.2 seconds
Time lag	N --> R position	Less than 1.5 seconds
Engine idle speed (A/C OFF)	N position	600 to 700 rpm
Drive plate runout	Maximum	0.30 mm (0.0118 in.)
Shift schedule
D position
Throttle valve fully open (Normal)	1 --> 2	47 to 52 km/h (29 to 32 mph)
	2 --> 3	88 to 93 km/h (55 to 58 mph)
	3 --> 4	120 to 128 km/h (75 to 80 mph)
	4 --> 5	165 to 172 km/h (103 to 107 mph)
	5 --> 6	247 to 254 km/h (153 to 158 mph)
Throttle valve opening 6% (Normal)	1 --> 2	8 to 14 km/h (5 to 9 mph)
	2 --> 3	16 to 23 km/h (10 to 14 mph)
	3 --> 4	25 to 30 km/h (16 to 19 mph)
	4 --> 5	42 to 47 km/h (26 to 29 mph)
	5 --> 6	61 to 65 km/h (38 to 40 mph)
5, 4, 3, 2, 1 gear range
Manual downshift speed	> 5	240 to 248 km/h (149 to 154 mph)
	> 4	160 to 167 km/h (99 to 104 mph)
	> 3	114 to 121 km/h (71 to 75 mph)
	> 2	76 to 80 km/h (47 to 50 mph)
	> 1	35 to 39 km/h (22 to 24 mph)

ATF temperature sensor assembly
THO1 - E2	10°C (50°F)	5 to 8 kohms
THO1 - E2	25°C (77°F)	2.5 to 4.5 kohms
THO1 - E2	110°C (230°F)	0.22 to 0.28 kohms
THO1 - Body ground	Always	10 kohms or higher
Shift solenoid valve SL
Solenoid connector (SL) - Solenoid body (SL)	20°C (68°F)	11 to 15 ohms
Shift solenoid valve SLT
1 - 2	20°C (68°F)	5.0 to 5.6 ohms
Shift solenoid valve SLU
1 - 2	20°C (68°F)	5.0 to 5.6 ohms
Shift solenoid valve SL1
1 - 2	20°C (68°F)	5.0 to 5.6 ohms
Shift solenoid valve SL2
1 - 2	20°C (68°F)	5.0 to 5.6 ohms
Shift solenoid valve SL3
1 - 2	20°C (68°F)	5.0 to 5.6 ohms
Shift solenoid valve SL4
1 - 2	20°C (68°F)	5.0 to 5.6 ohms
Park/Neutral position switch
1 (RB) - 3 (PL) 4 (B) - 9 (L)	P	Below 1 ohms
1 (RB) - 3 (PL) 4 (B) - 9 (L)	Except P	10 kohms or higher
1 (RB) - 2 (RL)	R	Below 1 ohms
1 (RB) - 2 (RL)	Except R	10 kohms or higher
1 (RB) - 8 (NL) 4 (B) - 9 (L)	N	Below 1 ohms
1 (RB) - 8 (NL) 4 (B) - 9 (L)	Except N	10 kohms or higher
1 (RB) - 7 (DL)	D, S, "+" or "-"	Below 1 ohms
1 (RB) - 7 (DL)	Except D, S, "+" and "-"	10 kohms or higher
Shift lock control unit assembly
12 (IG) - 3 (E)	Engine switch on (IG)	11 to 14 V
12 (IG) - 3 (E)	Engine switch off	Below 1 V
6 (STP) - 3 (E)	Brake pedal depressed	11 to 14 V
6 (STP) - 3 (E)	Brake pedal released	Below 1 V
3 (E) - Body ground	Always	Below 1 ohms
Transmission control switch
6 (IG) - 13 (S)	S, "+" or "-"	Below 1 ohms
6 (IG) - 13 (S)	Other than S, "+" or "-"	10 kohms or higher
5 (SFTU) - 11 (E)	"+" Pressed continuously (Upshift)	Below 1 ohms
5 (SFTU) - 11 (E)	S	10 kohms or higher
4 (SFTD) - 11 (E)	"-" Pressed continuously (Downshift)	Below 1 ohms
4 (SFTD) - 11 (E)	S	10 kohms or higher
Shift lock solenoid
4 (P) - 3 (E2)	P	10 kohms or higher
4 (P) - 3 (E2)	Other than P	Below 1 ohms
1 (SLS+) - 2 (SLS-)	Always	Below 112 ohms
Transaxle case oil seal
Oil seal driven in depth		0.5 to 0.5 mm (-0.0197 to 0.0197 in.)
Front transaxle case oil seal
Oil seal driven in depth		0.5 to 0.5 mm (-0.0197 to 0.0197 in.)
Input shaft
End play		0.012 to 1.250 mm (0.000473 to 0.0492 in.)
Planetary sun gear
Inside diameter	STD	25.525 to 25.546 mm (1.0049 to 1.0057 in.)
Inside diameter	Maximum	25.546 mm (1.0057 in.)
Under drive planetary gear
Clearance		0.18 to 0.54 mm (0.00709 to 0.0213 in.)
Rear planetary sun gear
Inside diameter	STD	25.580 to 25.601 mm (1.0071 to 1.0079 in.)
Inside diameter	Maximum	25.601 mm (1.0079 in.)
2nd brake piston return spring
Return spring free length		23.85 mm (0.939 in.)
Planetary gear
Clearance	A point	0.23 to 0.59 mm (0.00906 to 0.0232 in.)
Clearance	B point	0.16 to 0.66 mm (0.00630 to 0.0259 in.)
1st and reverse brake return spring
Return spring free length		15.79 mm (0.621 in.)
No. 2 brake
Piston stroke		0.884 to 1.196 mm (0.0348 to 0.0471 in.)
Flange thickness	Mark 40	4.0 mm (0.157 in.)
	Mark 41	4.1 mm (0.161 in.)
	Mark 42	4.2 mm (0.165 in.)
	Mark 43	4.3 mm (0.169 in.)
	Mark 44	4.4 mm (0.173 in.)
No. 1 brake
Piston stroke		0.807 to 0.974 mm (0.0318 to 0.0383 in.)
Flange thickness	Mark 30	3.0 mm (0.118 in.)
	Mark 31	3.1 mm (0.122 in.)
	Mark 32	3.2 mm (0.126 in.)
	Mark 33	3.3 mm (0.130 in.)
	Mark 34	3.4 mm (0.134 in.)
	Mark 35	3.5 mm (0.138 in.)
No. 3 brake
Clearance		0.599 to 0.761 mm (0.0236 to 0.0300 in.)
Flange thickness	Mark 38	3.8 mm (0.150 in.)
	Mark 39	3.9 mm (0.154 in.)
	Mark 40	4.0 mm (0.157 in.)
	Mark 41	4.1 mm (0.161 in.)
	Mark 42	4.2 mm (0.165 in.)
	Mark 43	4.3 mm (0.169 in.)
No. 1 clutch disc
Piston stroke		0.806 to 0.974 mm (0.0317 to 0.0383 in.)
Flange thickness	Mark 30	3.0 mm (0.118 in.)
	Mark 31	3.1 mm (0.122 in.)
	Mark 32	3.2 mm (0.126 in.)
	Mark 33	3.3 mm (0.130 in.)
	Mark 34	3.4 mm (0.134 in.)
	Mark 35	3.5 mm (0.138 in.)
No. 2 clutch disc
Pack clearance		0.544 to 0.744 mm (0.0214 to 0.0293 in.)
Flange thickness	Mark 30	3.0 mm (0.118 in.)
	Mark 31	3.1 mm (0.122 in.)
	Mark 32	3.2 mm (0.126 in.)
	Mark 33	3.3 mm (0.130 in.)
	Mark 34	3.4 mm (0.134 in.)
	Mark 35	3.5 mm (0.138 in.)
Manual valve lever shaft oil seal
Oil seal driven in depth		0.5 to 0.5 mm (-0.0197 to 0.0197 in.)
Counter drive gear
Preload (at 60 rpm)		0.1 to 0.2 Nm (1 to 2 kgfcm, 0.9 to 1.9 in.*lbf)
Counter driven gear
Preload (at 10 rpm)		3.3 to 6.0 Nm (34 to 61 kgfcm, 29 to 53 in.*lbf)
Shim thickness		2.000 mm (0.0787 in.)
		2.025 mm (0.0797 in.)
		2.050 mm (0.0807 in.)
		2.075 mm (0.0817 in.)
		2.100 mm (0.0827 in.)
		2.125 mm (0.0837 in.)
		2.150 mm (0.0846 in.)
		2.175 mm (0.0856 in.)
		2.200 mm (0.0866 in.)
		2.225 mm (0.0876 in.)
		2.250 mm (0.0886 in.)
		2.275 mm (0.0896 in.)
		2.300 mm (0.0906 in.)
		2.325 mm (0.0915 in.)
		2.350 mm (0.0925 in.)
		2.375 mm (0.0935 in.)
		2.400 mm (0.0945 in.)
		2.425 mm (0.0955 in.)
		2.450 mm (0.0965 in.)
		2.475 mm (0.0974 in.)
		2.500 mm (0.0984 in.)
		2.525 mm (0.0994 in.)
		2.550 mm (0.100 in.)
		2.575 mm (0.101 in.)
		2.600 mm (0.102 in.)
		2.625 mm (0.103 in.)
		2.650 mm (0.104 in.)
		2.675 mm (0.105 in.)
		2.700 mm (0.106 in.)
		2.725 mm (0.107 in.)
		2.750 mm (0.108 in.)
		2.775 mm (0.109 in.)
		2.800 mm (0.110 in.)
		2.825 mm (0.111 in.)
		2.850 mm (0.112 in.)
		2.875 mm (0.113 in.)
		2.900 mm (0.114 in.)
		2.925 mm (0.115 in.)
		2.950 mm (0.116 in.)
		2.975 mm (0.117 in.)
		3.000 mm (0.118 in.)
Intermediate shaft
End play		0.007 to 1.113 mm (0.000275 to 0.0438 in.)
Transaxle rear cover
Bearing press fit depth		21.5 to 21.9 mm (0.846 to 0.862 in.)
Transmission valve body
Valve body installation bolt length	A	25 mm (0.984 in.)
	B	30 mm (1.18 in.)
	C	35 mm (1.38 in.)
	D	45 mm (1.77 in.)
	E	55 mm (2.17 in.)
Oil pump
Body clearance	STD	0.08 to 0.15 mm (0.00315 to 0.00590 in.)
Body clearance	Maximum	0.15 mm (0.00590 in.)
Side clearance	STD	0.025 to 0.04 mm (0.000984 to 0.00157 in.)
Side clearance	Maximum	0.04 mm (0.00157 in.)
Drive gear thickness	Mark 1	11.547 to 11.555 mm (0.4546 to 0.4549 in.)
	Mark 2	11.555 to 11.563 mm (0.4549 to 0.4552 in.)
	Mark 3	11.564 to 11.571 mm (0.4553 to 0.4556 in.)
	Mark 4	11.572 to 11.579 mm (0.4556 to 0.4559 in.)
	Mark 5	11.580 to 11.587 mm (0.4559 to 0.4562 in.)
Driven gear thickness	Mark 1	11.547 to 11.555 mm (0.4546 to 0.4549 in.)
	Mark 2	11.555 to 11.563 mm (0.4549 to 0.4552 in.)
	Mark 3	11.564 to 11.571 mm (0.4553 to 0.4556 in.)
	Mark 4	11.572 to 11.579 mm (0.4556 to 0.4559 in.)
	Mark 5	11.580 to 11.587 mm (0.4559 to 0.4562 in.)
Pump body bushing inside diameter	STD	43.113 to 43.138 mm (1.6974 to 1.6983 in.)
Pump body bushing inside diameter	Maximum	43.188 mm (1.7003 in.)
Stator shaft bushing inside diameter	STD	22.500 to 22.526 mm (0.8858 to 0.8868 in.)
Stator shaft bushing inside diameter	Maximum	22.570 mm (0.8886 in.)
Front oil pump oil seal
Oil seal driven in depth		0.25 to 0.25 mm (-0.00984 to 0.00984 in.)
Front differential
Backlash		0.05 to 0.15 mm (0.00196 to 0.00591 in.)
Thrust washer thickness		1.50 mm (0.0591 in.)
		1.55 mm (0.0610 in.)
		1.60 mm (0.0630 in.)
		1.65 mm (0.0650 in.)
		1.70 mm (0.0669 in.)
		1.75 mm (0.0689 in.)
		1.80 mm (0.0709 in.)
		1.85 mm (0.0728 in.)
		1.90 mm (0.0748 in.)
Preload (at 10 rpm)		1.1 to 1.9 Nm (11 to 19 kgfcm, 10 to 17 in.*lbf)
Shim thickness		2.000 mm (0.0787 in.)
		2.025 mm (0.0797 in.)
		2.050 mm (0.0807 in.)
		2.075 mm (0.0817 in.)
		2.100 mm (0.0827 in.)
		2.125 mm (0.0837 in.)
		2.150 mm (0.0846 in.)
		2.175 mm (0.0856 in.)
		2.200 mm (0.0866 in.)
		2.225 mm (0.0876 in.)
		2.250 mm (0.0886 in.)
		2.275 mm (0.0896 in.)
		2.300 mm (0.0906 in.)
		2.325 mm (0.0915 in.)
		2.350 mm (0.0925 in.)
		2.375 mm (0.0935 in.)
		2.400 mm (0.0945 in.)
		2.425 mm (0.0955 in.)
		2.450 mm (0.0965 in.)
		2.475 mm (0.0974 in.)
		2.500 mm (0.0984 in.)
		2.525 mm (0.0994 in.)
		2.550 mm (0.100 in.)
		2.575 mm (0.101 in.)
		2.600 mm (0.102 in.)
		2.625 mm (0.103 in.)
		2.650 mm (0.104 in.)
		2.675 mm (0.105 in.)
		2.700 mm (0.106 in.)
		2.725 mm (0.107 in.)
		2.750 mm (0.108 in.)
		2.775 mm (0.109 in.)
		2.800 mm (0.110 in.)
		2.825 mm (0.111 in.)
		2.850 mm (0.112 in.)
		2.875 mm (0.113 in.)