2007 TOYOTA SIENNA Service Repair Manual

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Page 1833 of 3000

TOYOTA SIENNA 2007 Service Repair Manual U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEMAX–25
AX
TERMINALS OF ECM
1. ECM
HINT:
Each ECM terminal's standard voltage is shown in the
table below.
In the table, first follow the

U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEMAX–25
AX
TERMINALS OF ECM
1. ECM
HINT:
Each ECM terminal's standard voltage is shown in the
table below.
In the table, first follow the information under "Condition".
Look under "Symbols (Terminal No.)" for the terminals to
inspected. The standard voltage between the terminals
is shown under "Specific Condition".
Use the illustration above as a reference for the ECM
terminals.
G036662E24
Symbols (Terminals No.)Wiring
ColorTerminal Description Condition Specified Condition
L (E5-9) - E1 (E11-1) L - BRL shift position switch
signalIG switch ON and shift lever L
position11 to 14 V
IG switch ON and shift lever other
than L positionBelow 1 V
2 (E5-10) - E1 (E11-1) Y-G - BR2 shift position switch
signalIG switch ON and shift lever 2
and L position11 to 14 V
IG switch ON and shift lever other
than 2 and L positionBelow 1 V
D (E5-21) - E1 (E11-1) L-W - BRD shift position switch
signalIG switch ON and shift lever D
and 4 position11 to 14 V
IG switch ON and shift lever other
than D and 4 positionBelow 1 V
R (E5-11) - E1 (E11-1) R-B - BRR shift position switch
signalIG switch ON and shift lever R
position11 to 14 V
IG switch ON and shift lever other
than R positionBelow 1 V
SPD (E5-8) - E1 (E11-1) V-W - BR Speed signal Vehicle speed 20 km/h (12 mph)Pulse generation
(See waveform 8)
STP (E4-15) - E1 (E11-1) G-W - BR Stop light switch signalBrake pedal is depressed 7.5 to 14 V
Brake pedal is released Below 1.5 V
3 (E5-19) - E1 (E11-1) G - BR3 shift position switch
signalIG switch ON and shift lever 3
position11 to 14 V
IG switch ON and shift lever other
than 3 positionBelow 1 V
4 (E5-20) - E1 (E11-1) B-W - BR4 shift position switch
signalIG switch ON and shift lever 4
position11 to 14 V
IG switch ON and shift lever other
than 4 positionBelow 1 V
NSW (STAR) (E10-8) - E1 (E11-
1)B-Y - BR Park neutral switch signalIG switch ON and shift lever P
and N positionBelow 1 V
IG switch ON and shift lever other
than P and N position11 to 14 V

Page 1834 of 3000

TOYOTA SIENNA 2007 Service Repair Manual AX–26U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEM
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(a) Waveform 1
Reference:
(b) Waveform 2
Reference:
P (E5-23) - E1 (E11-1) L-Y - BR Park position switch signalIG switch ON and shi

AX–26U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEM
AX
(a) Waveform 1
Reference:
(b) Waveform 2
Reference:
P (E5-23) - E1 (E11-1) L-Y - BR Park position switch signalIG switch ON and shift lever P
position11 to 14 V
IG switch ON and shift lever other
then P positionBelow 1 V
N (E5-22) - E1 (E11-1) Y-R - BRNeutral position switch
signalIG switch ON and shift lever N
position11 to 14 V
IG switch ON and shift lever other
then N positionBelow 1 V
DSL (E10-11) - E1 (E11-1) Y-G - BR DSL solenoid signalVehicle speed 65 km/h (40 mph),
lock-up (ON to OFF)Pulse generation
(See waveform 2)
SR (E10-9) - E1 (E11-1) L-B - BR SR solenoid signalIG switch ON Below 1 V
3rd, 4th or 5th gear 11 to 14 V
1st or 2nd gear Below 1 V
S4 (E10-10) - E1 (E11-1) L-W - BR S4 solenoid signalIG switch ON Below 1 V
5th gear 11 to 14 V
Except 5th gear Below 1 V
SL3+ (E10-17) - SL3- (E10-16) G-B - G-R SL3 solenoid signal Engine idle speedPulse generation
(See waveform 3)
SL2+ (E10-15) - SL2- (E10-14) L-Y - L-R SL2 solenoid signal Engine idle speedPulse generation
(See waveform 4)
SL1+ (E10-19) - SL1- (E10-18) R-B - B-W SL1 solenoid signal Engine idle speedPulse generation
(See waveform 5)
NC+ (E10-34) - NC- (E10-26) R - W-G Speed sensor (NC) signalVehicle speed 30 km/h (19 mph):
(3rd gear)
Engine speed 1,400 rpmPulse generation
(See waveform 6)
NT+ (E10-35) - NT- (E10-27) W - R-W Speed sensor (NT) signal Vehicle speed 20 km/h (12mph)Pulse generation
(See waveform 7)
SLT+ (E10-13) - SLT- (E10-12) Y-R - Y-B SLT solenoid signal Engine idle speedPulse generation
(See waveform 1)
THO1 (E10-24) - E2 (E9-28) G-Y - BRATF temperature sensor
signalATF temperature: 115
C (239F)
or moreBelow 1.5 V Symbols (Terminals No.)Wiring
ColorTerminal Description Condition Specified Condition
G023426E01
Terminal SLT+ - SLT-
Tool setting 5 V/DIV, 1ms/DIV
Vehicle condition Engine idle speed
C053420E05
Terminal DSL - E1
Tool setting 10 V/DIV, 100ms/DIV
Vehicle conditionVehicle speed 65 km/h (40 mph), lock-up (ON to
OFF)

Page 1835 of 3000

TOYOTA SIENNA 2007 Service Repair Manual U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEMAX–27
AX
(c) Waveform 3
Reference:
(d) Waveform 4
Reference:
(e) Waveform 5
Reference:
(f) Waveform 6
Reference:
(g) Waveform 7
Reference:
G

Page 1836 of 3000

TOYOTA SIENNA 2007 Service Repair Manual AX–28U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEM
AX
(h) Waveform 8
Reference:
C053421E09
Terminal SPD - E1
Tool setting 5 V/DIV, 20ms/DIV
Vehicle condition Vehicle speed 20 km/h (12 m

Page 1837 of 3000

TOYOTA SIENNA 2007 Service Repair Manual AX–146U151F AUTOMATIC TRANSAXLE – SHIFT LEVER
AX
REMOVAL
1. DISCONNECT BATTERY NEGATIVE TERMINAL
2. REMOVE FRONT DOOR SCUFF PLATE LH
HINT:
(See page IP-6)
3. REMOVE FRONT DOOR SCUFF PLATE RH
HIN

Page 1838 of 3000

TOYOTA SIENNA 2007 Service Repair Manual U151F AUTOMATIC TRANSAXLE – SHIFT LEVERAX–147
AX
13. REMOVE SHIFT LEVER KNOB SUB-ASSEMBLY
(a) Remove the floor shift lever knob sub-assembly.
14. REMOVE POSITION INDICATOR HOUSING
ASSEMBLY
(a)

Page 1839 of 3000

TOYOTA SIENNA 2007 Service Repair Manual AX–148U151F AUTOMATIC TRANSAXLE – SHIFT LEVER
AX
19. REMOVE SHIFT LEVER ASSEMBLY
(a) Disconnect the 2 connectors.
(b) Remove the 4 bolts and disconnect the shift lever
assembly from the vehicle

Page 1840 of 3000

TOYOTA SIENNA 2007 Service Repair Manual U151F AUTOMATIC TRANSAXLE – SHIFT LEVERAX–149
AX
4. REMOVE POSITION INDICATOR SLIDE COVER
(a) Remove the position indicator slide cover No.2 from
the position indicator slide cover.
C086310E01

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