2006 TOYOTA RAV4 transaxle

AX–28U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEM
AX
HINT:
*: When the circuit is defective, a DTC may be output.
2. Chapter 2: On-Vehicle Repair and Off-Vehicle Repair
Symptom Suspected area See page
Vehicle does not move in any forward position and with
the shift lever on R1. Valve body assemblyAX-142
2. B3 U/D brakeAX-181
3. Torque converter clutchAX-179
Vehicle does not move with shift lever on R1. Valve body assemblyAX-142
2. C2 reverse clutchAX-181
3. B2 1st and reverse brakeAX-181
No up-shift (1st -> 2nd)1. Valve body assemblyAX-142
2. B1 2nd and O/D brakeAX-181
No up-shift (2nd -> 3rd)1. Valve body assemblyAX-142
2. C0 direct and O/D clutchAX-181
No up-shift (3rd -> 4th)1. Valve body assemblyAX-142
2. B1 2nd and O/D brakeAX-181
No up-shift (4th -> 5th)1. Shift solenoid valve S4AX-79
2. Valve body assemblyAX-142
3. C3 U/D clutchAX-181
No down-shift (5th -> 4th)1. Shift solenoid valve S4AX-79
2. Valve body assemblyAX-142
No down-shift (4th -> 3rd) Valve body assemblyAX-142
No down-shift (3rd -> 2nd) Valve body assemblyAX-142
No down-shift (2nd -> 1st) Valve body assemblyAX-142
No lock-up or no lock-up off1. Shift solenoid valve DSLAX-65
2. Valve body assemblyAX-142
3. Torque converter clutchAX-179
Harsh engagement (N -> D)1. Shift solenoid valve SL1AX-72
2. Valve body assemblyAX-142
3. C1 accumulatorAX-181
4. C1 forward clutchAX-181
5. F1 No. 1 one-way clutchAX-181
6. F2 U/D one-way clutchAX-181
Harsh engagement (lock-up)1. Shift solenoid valve SL2AX-87
2. Valve body assemblyAX-142
3. Torque converter clutchAX-179
Harsh engagement (N -> R)1. Valve body assemblyAX-142
2. C2 accumulatorAX-181
3. C2 reverse clutchAX-181
4. B2 1st and reverse brakeAX-181
Harsh engagement (1st -> 2nd -> 3rd -> 4th -> 5th)1. Shift solenoid valve SLTAX-120
2. Valve body assemblyAX-142
Harsh engagement (1st -> 2nd)1. Valve body assemblyAX-142
2. B1 2nd and O/D brakeAX-181
Harsh engagement (2nd -> 3rd)1. Valve body assemblyAX-142
2. C0 accumulatorAX-181
3. C0 direct and O/D clutchAX-181
Harsh engagement (3rd -> 4th)1. Valve body assemblyAX-142
2. B1 2nd and O/D brakeAX-181

U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEMAX–29
AX
Harsh engagement (4th -> 5th)1. Valve body assemblyAX-142
2. C3 accumulatorAX-181
3. B3 U/D clutchAX-181
Harsh engagement (5th -> 4th)1. Valve body assemblyAX-142
2. B3 accumulatorAX-181
Slip or shudder (forward and reverse: after warm-up)1. Valve body assemblyAX-142
2. Oil strainerAX-142
3. C0 direct and O/D clutchAX-181
4. C1 forward clutchAX-181
5. C3 U/D clutchAX-181
6. B1 2nd and brakeAX-181
7. B3 U/D brakeAX-181
8. F1 No. 1 one-way clutchAX-181
9. F2 U/D one-way clutchAX-181
10. Torque converter clutchAX-179
Slip or shudder (particular position: just after engine
starts)Torque converter clutchAX-179
Slip or shudder (shift lever on R)1. C2 reverse clutchAX-181
2. B2 1st and reverse brakeAX-181
Slip or shudder (1st)1. C1 forward clutchAX-181
2. F1 No. 1 one-way clutchAX-181
3. F2 U/D one-way clutchAX-181
Slip or shudder (2nd) B1 2nd and O/D brakeAX-181
Slip or shudder (3rd) C0 direct and O/D clutchAX-181
Slip or shudder (4th) B1 2nd and O/D brakeAX-181
Slip or shudder (5th) C3 U/D clutchAX-181
Shift position too high or too low Shift solenoid valve SLTAX-120
No engine braking (1st to 4th/shift lever on D) B3 U/D brakeAX-181
No engine braking (1st/shift lever on L)1. Valve body assemblyAX-142
2. B2 1st and reverse brakeAX-181
No engine braking (2nd/shift lever on 2)1. Valve body assemblyAX-142
2. B1 2nd and O/D brakeAX-181
No engine braking (3rd/shift lever on 3) B3 U/D brakeAX-181
No kick-down Valve body assemblyAX-142
Poor acceleration (all positions)1. Shift solenoid valve SLTAX-120
2. Torque converter clutchAX-179
Poor acceleration (5th)1. C3 U/D clutchAX-181
2. U/D planetary gear unitAX-181
Engine stalls when starting off or stopping1. Shift solenoid valve DSLAX-65
2. Torque converter clutchAX-179 Symptom Suspected area See page

AX–30U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEM
AX
TERMINALS OF ECM
1. CHECK ECM
(a) Measure the voltage of the ECM connector.
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 be inspected. The standard
voltage between the terminals is shown under
"Specified Condition".
Use the illustration above as a reference for the
ECM terminals.
A107881E03
Symbols (Terminal No.) Wiring Color Terminal Description ConditionSpecified Condition
P (B30-24) - E1 (B30-81) R - BR P shift position switch
signalIgnition switch ON and
transfer shift lever on P10 to 14 V
P (B30-24) - E1 (B30-81) R - BR P shift position switch
signalIgnition switch ON and
transfer shift lever not on
PBelow 1 V
R (B30-25) - E1 (B30-81) B - BR R shift position switch
signalIgnition switch ON and
transfer shift lever on R10 to 14 V
R (B30-25) - E1 (B30-81) B - BR R shift position switch
signalIgnition switch ON and
transfer shift lever not on
RBelow 1 V
N (B30-27) - E1 (B30-81) L-B - BR N shift position switch
signalIgnition switch ON and
transfer shift lever on N10 to 14 V
N (B30-27) - E1 (B30-81) L-B - BR N shift position switch
signalIgnition switch ON and
transfer shift lever not on
NBelow 1 V
D (B30-26) - E1 (B30-81) L - BR D shift position switch
signalIgnition switch ON and
transfer shift lever on D or
310 to 14 V
D (B30-26) - E1 (B30-81) L - BR D shift position switch
signalIgnition switch ON and
transfer shift lever not on
D or 3Below 1 V
4 (A9-25) - E1 (B30-81) P - BR 4 shift position switch
signalIgnition switch ON and
transfer shift lever on 410 to 14 V
4 (A9-25) - E1 (B30-81) P - BR 4 shift position switch
signalIgnition switch ON and
transfer shift lever not on 4Below 1 V

U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEMAX–31
AX
3 (B30-29) - E1 (B30-81) LG - BR 3 shift position switch
signalIgnition switch ON and
transfer shift lever on 310 to 14 V
3 (B30-29) - E1 (B30-81) LG - BR 3 shift position switch
signalIgnition switch ON and
transfer shift lever not on 3Below 1 V
2 (B30-28) - E1 (B30-81) V - BR 2 shift position switch
signalIgnition switch ON and
transfer shift lever on 2
and L10 to 14 V
2 (B30-28) - E1 (B30-81) V - BR 2 shift position switch
signalIgnition switch ON and
transfer shift lever not on 2
and LBelow 1 V
L (A9-26) - E1 (B30-81) V - BR L shift position switch
signalIgnition switch ON and
transfer shift lever on L10 to 14 V
L (A9-26) - E1 (B30-81) V - BR L shift position switch
signalIgnition switch ON and
transfer shift lever not on LBelow 1 V
STP (A9-36) - E1 (B30-81) L - BR Stop light switch signal Brake pedal is depressed Between 10 V and 14 V
STP (A9-36) - E1 (B30-81) L - BR Stop light switch signal Brake pedal is released Below 1 V
SL1+ (B30-16) - SL1-
(B30-17)P - LG SL1 solenoid signal Engine idle speed Pulse generation
(see waveform 1)
SL1+ (B30-16) - SL1-
(B30-17)P - LG SL1 solenoid signal Ignition switch ON Pulse generation
(see waveform 1)
SL1+ (B30-16) - SL1-
(B30-17)P - LG SL1 solenoid signal 1st gear Pulse generation
(see waveform 1)
SL1+ (B30-16) - SL1-
(B30-17)P - LG SL1 solenoid signal Not on 1st gear Below 1 V
SL2+ (B30-12) - SL2-
(B30-13)BR - R SL2 solenoid signal Engine idle speed Pulse generation
(see waveform 2)
SL2+ (B30-12) - SL2-
(B30-13)BR - R SL2 solenoid signal Ignition switch ON Pulse generation
(see waveform 2)
SL2+ (B30-12) - SL2-
(B30-13)BR - R SL2 solenoid signal 1st or 2nd gear Pulse generation
(see waveform 2)
SL2+ (B30-12) - SL2-
(B30-13)BR - R SL2 solenoid signal 3rd, 4th or 5th gear Below 1 V
SL3+ (B30-14) - SL3-
(B30-15)GR - G-R SL3 solenoid signal Engine idle speed Pulse generation
(see waveform 3)
SL3+ (B30-14) - SL3-
(B30-15)GR - G-R SL3 solenoid signal Ignition switch ON Pulse generation
(see waveform 3)
SL3+ (B30-14) - SL3-
(B30-15)GR - G-R SL3 solenoid signal 1st or 2nd gear Pulse generation
(see waveform 3)
SL3+ (B30-14) - SL3-
(B30-15)GR - G-R SL3 solenoid signal 3rd, 4th or 5th gear Below 1 V
DSL (B30-9) - E01 (B30-
22)V - BR DSL solenoid signal Vehicle speed 65 km/h (40
mph), lock-up (ON to OFF)Below 1 V
DSL (B30-9) - E01 (B30-
22)V - BR DSL solenoid signal Vehicle driving under lock-
up positionPulse generation
(see waveform 4)
SLT+ (B30-11) - SLT-
(B30-10)L - W SLT solenoid signal Engine idle speed Pulse generation
(see waveform 5)
SR (B30-8) - E01 (B30-22) G - BR SR solenoid signal Ignition switch ON Below 1 V
SR (B30-8) - E01 (B30-22) G - BR SR solenoid signal 3th, 4th or 5th gear 10 to 14 V
SR (B30-8) - E01 (B30-22) G - BR SR solenoid signal 1st or 2nd gear Below 1 V
S4 (B30-7) - E01 (B30-22) L-B - BR S4 solenoid signal Ignition switch ON Below 1 V
S4 (B30-7) - E01 (B30-22) L-B - BR S4 solenoid signal 5th gear 10 to 14 V
S4 (B30-7) - E01 (B30-22) L-B - BR S4 solenoid signal Not on 5th gear Below 1 V
THO1 (B30-126) - ETHO
(B30-124)Y - B ATF temperature sensor
signalATF temperature 115
C
(239
F) or moreBelow 1.5 V
NT+ (B30-6) - NT- (B30-5) B - G Speed sensor (NT) signal Vehicle speed 20 km/h (12
mph)Pulse generation
(see waveform 6) Symbols (Terminal No.) Wiring Color Terminal Description ConditionSpecified Condition

AX–32U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEM
AX
(b) Using an oscilloscope, check the waveform 1.
Waveform 1 (Reference)
(c) Using an oscilloscope, check the waveform 2.
Waveform 2 (Reference)
(d) Using an oscilloscope, check the waveform 3.
Waveform 3 (Reference)
(e) Using an oscilloscope, check the waveform 4.
Waveform 4 (Reference)
NC+ (B30-4) - NC- (B30-
3)W - Y Speed sensor (NC) signal Vehicle speed 30 km/h (19
mph) (3rd gear)
Engine speed 1,400 rpmPulse generation
(see waveform 7) Symbols (Terminal No.) Wiring Color Terminal Description ConditionSpecified Condition
C140833E01
Item Content
Symbols (Terminal No.) SL1+ (B30-16) - SL1- (B30-17)
Tool Setting 5 V/DIV., 1 msec./DIV.
Condition Engine idle speed
C140833E01
Item Content
Symbols (Terminal No.) SL2+ (B30-12) - SL2- (B30-13)
Tool Setting 5 V/DIV., 1 msec./DIV.
Condition Engine idle speed
C140833E01
Item Content
Symbols (Terminal No.) SL3+ (B30-14) - SL3- (B30-15)
Tool Setting 5 V/DIV., 1 msec./DIV.
Condition Engine idle speed
C133935E01
Item Content
Symbols (Terminal No.) DSL (B30-9) - E01 (B30-22)
Tool Setting 10 V/DIV., 100 msec./DIV.
Condition Vehicle speed 65 km/h (40 mph),
lock-up (ON to OFF)

U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEMAX–33
AX
(f) Using an oscilloscope, check the waveform 5.
Waveform 5 (Reference)
(g) Using an oscilloscope, check the waveform 6.
Waveform 6 (Reference)
(h) Using an oscilloscope, check the waveform 7.
Waveform 7 (Reference)
C140833E01
Item Content
Symbols (Terminal No.) SLT+ (B30-11) - SLT- (B30-10)
Tool Setting 5 V/DIV., 1 msec./DIV.
Condition Engine idle speed
C140853E01
Item Content
Symbols (Terminal No.) NT+ (B30-6) - NT- (B30-5)
Tool Setting 5 V/DIV., 0.5 msec./DIV.
Condition Vehicle speed 20 km/h (12 mph)
C140854E01
Item Content
Symbols (Terminal No.) NC+ (B30-4) - NC- (B30-3)
Tool Setting 1 V/DIV., 1 msec./DIV.
Condition Vehicle speed 30 km/h (19 mph) (3rd
gear)
Engine speed 1,400 rpm

AX–34U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEM
AX
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) When troubleshooting On-Board Diagnostic (OBD
II) vehicles, the vehicle must be connected to the
OBD II scan tool (complying with SAE J1987).
Various data output from the vehicle's ECM can
then be read.
(b) OBD II regulations require that the vehicle's on-
board computer illuminates the Malfunction
Indicator Lamp (MIL) on the instrument panel when
the computer detects a malfunction in:
(1) The emission control system/components
(2) The powertrain control components (which affect
vehicle emissions)
(3) The computer
In addition, the applicable Diagnostic Trouble
Codes (DTCs) prescribed by SAE J2012 are
recorded in the ECM memory.
When the malfunction does not reoccur, the MIL
stays illuminated until the ignition switch is
turned OFF, and the MIL turns OFF when the
engine is started. However, the DTCs remain
recorded in the ECM memory.
(c) To check DTCs, connect the intelligent tester to the
Data Link Connector 3 (DLC3) of the vehicle. The
tester displays DTCs, the freeze frame data and a
variety of the engine data.
The DTCs and freeze frame data can be erased
with the tester (see page AX-40).
2. NORMAL MODE AND CHECK MODE
(a) The diagnosis system operates in "normal mode"
during normal vehicle use. In normal mode, "2 trip
detection logic" is used to ensure accurate detection
of malfunctions. "Check mode" is also available to
technicians as an option. In check mode, "1 trip
detection logic" is used for simulating malfunction
symptoms and increasing the system's ability to
detect malfunctions, including intermittent
malfunctions.
3. 2 TRIP DETECTION LOGIC
(a) When a malfunction is first detected, the
malfunction is temporarily stored in the ECM
memory (1st trip). If the same malfunction is
detected during the next drive cycle, the MIL is
illuminated (2nd trip).
C140856
B127989E02

U151F AUTOMATIC TRANSAXLE – AUTOMATIC TRANSAXLE SYSTEMAX–35
AX
4. FREEZE FRAME DATA
(a) Freeze frame data records the engine conditions
(fuel system, calculated load, engine coolant
temperature, fuel trim, engine speed, vehicle speed,
etc.) when a malfunction is detected. When
troubleshooting, freeze frame data can help
determine if the vehicle was running or stopped, if
the engine was warmed up or not, if the air-fuel ratio
was lean or rich, and other data from the time the
malfunction occurred.
(b) The intelligent tester records freeze frame data in 5
different instances: 1) 3 times before the DTC is set,
2) once when the DTC is set, and 3) once after the
DTC is set. These data can be used to simulate the
vehicle's condition around the time when the
malfunction occurred. The data may help find the
cause of the malfunction, or judge if the DTC is
being caused by a temporary malfunction or not.
5. DATA LINK CONNECTOR 3 (DLC3)
(a) The vehicle's ECM uses the ISO 15765-4 for
communication protocol. The terminal arrangement
of the DLC3 complies with SAE J1962 and matches
the ISO 15765-4 format.
Terminal of DLC3
NOTICE:
*: Before measuring the resistance, leave the vehicle as
is for at least 1 minute and do not operate the ignition
switch, any other switches or the doors.
If the result is not as specified, the DLC3 may have a
malfunction. Repair or replace the harness and connector.
C140837E01
C140838E01
Symbols (Terminal No.) Terminal Description Condition Specified Condition
SIL (7) - SG (5) Bus "+" line During transmission Pulse generation
CG (4) - Body ground Chassis ground Always Below 1
SG (5) - Body ground Signal ground Always Below 1
BAT (16) - Body ground Battery positive Always 9 to 14 V
CANH (6) - CANL (14) CAN bus line Ignition switch OFF* 54 to 69
CANH (6) - Battery positive HIGH-level CAN bus line Ignition switch OFF* 6 k or higher
CANH (6) - CG (4) HIGH-level CAN bus line Ignition switch OFF* 200
or higher
CANL (14) - Battery positive LOW-level CAN bus line Ignition switch OFF* 6 k
or higher
CANL (14) - CG (4) LOW-level CAN bus line Ignition switch OFF* 200
or higher