1986 TOYOTA LAND CRUISER automatic transmission

- DIAGNOSTICSAUTOMATIC TRANSMISSION
DI-399
592 Author
: Date
:
2004 LAND CRUISER (RM1071U) Harsh engagement (4th " 5th)
1. Shift solenoid valve (SL1)
2. Shift solenoid valve (SL2)
3. Valve body assy
4. Off-vehicle repair matrix chartDI-441
DI-445
AT-8
-
Harsh engagement (5th " 4th)
1. Shift solenoid valve (SL1)
2. Shift solenoid valve (SL2)
3. Valve body assy
4. Off-vehicle repair matrix chartDI-441
DI-445
AT-8
-
Slip or shudder (Forward and reverse)
1. Transmission control rod
2. Valve body assy
3. Oil strainer
4. Off-vehicle repair matrix chartDI-361
AT-8
AT-8
-
No engine braking (1st: L position)1. Valve body assy
2. Off-vehicle repair matrix chartAT-8
-
No engine braking (2nd: 2 position)1. Valve body assy
2. Off-vehicle repair matrix chartAT-8
-
No kick-downValve body assyAT-8
Shift point too high or too low
1. Shift solenoid valve (SLT)
2. Shift solenoid valve (SL1)
3. Valve body assyDI-476
DI-441
AT-8
Poor acceleration1. Shift solenoid valve (SLT)
2. Valve body assyDI-476
AT-8
Engine stalls when starting off or stopping1. Shift solenoid valve (SLU)
2. Valve body assyDI-487
AT-8

DI-400
- DIAGNOSTICSAUTOMATIC TRANSMISSION
593 Author
: Date
:
2004 LAND CRUISER (RM1071U)
Chapter 3: Off-Vehicle Repair
(
: A750E, A750F AUTOMATIC TRANSMISSION Repair Manual Pub. No. RM999U)
SymptomSuspect AreaSee page
Vehicle does not move in any forward position and reverse posi-
tions1. Rear planetary gear unit
2. Torque converter clutch

AT-34
Vehicle does not move in R position
1. Brake No. 4 (B4)
2. Clutch No. 3 (C
3)
3. One-way clutch No.4 (F
1)






No up-shift (1st " 2nd)
1. Brake No. 3 (B3)
2. One-way clutch No.1 (F
1)
3. One-way clutch No. 2 (F
2)






No up-shift (2nd " 3rd)Clutch No. 3 (C3)

No up-shift (3rd " 4th)Clutch No. 2 (C2)

No up-shift (4th " 5th)1. Brake No. 1 (B1)
2. Clutch No. 1 (C
1)




No lock-up or No lock-up offTorque converter clutchAT-34
Harsh engagement (N " D)1. Clutch No. 1 (C1)
2. One-way clutch No.3 (F
3)




Harsh engagement (N " R)
1. Clutch No. 3 (C3)
2. Brake No. 4 (B
4)
3. One-way clutch No.1 (F
1)






Harsh engagement (1 " 2)
1. Brake No. 3 (B3)
2. One-way clutch No.1 (F
1)
3. One-way clutch No. 2 (F
2)






Harsh engagement (2 " 3)Clutch No. 3 (C3)

Harsh engagement (3 " 4)Clutch No. 2 (C2)

Harsh engagement (4 " 5th)1. Brake No. 1 (B1)
2. Clutch No. 1 (C
1)




Harsh engagement (Lock-up)Torque converter clutchAT-34
Slip or shudder (Forward and reverse: After warm-up)
1. One-way clutch No.1 (F1)
2. Clutch No. 3 (C
3)
3. Torque converter clutch clutch






Slip or shudder (Particular position: Just after engine starts)Torque converter clutchAT-34
Slip or shudder (R position)
1. Brake No. 4 (B4)
2. One-way clutch No.1 (F
1)
3. Clutch No. 3 (C
3)






Slip or shudder (1st)1. Clutch No. 1 (C1)
2. One-way clutch No.3 (F
3)




Slip or shudder (2nd)
1. Clutch No. 1 (C1)
2. Brake No. 3 (B
3)
3. One-way clutch No.1 (F
1)
4. One-way clutch No.2 (F
2)








Slip or shudder (3rd)
1. Clutch No. 1 (C1)
2. Clutch No. 3 (C
3)
3. One-way clutch No.1 (F
1)






Slip or shudder (4th)1. Clutch No. 1 (C1)
2. Clutch No. 2 (C
2)




Slip or shudder (5th)
1. Clutch No. 2 (C2)
2. Clutch No. 3 (C
3)
3. Brake No. 1 (B
1)






No engine braking (1st - 4th: D position)Clutch No. 1 (C1)

- DIAGNOSTICSAUTOMATIC TRANSMISSION
DI-401
594 Author
: Date
:
2004 LAND CRUISER (RM1071U) No engine braking (1st: L position)
Brake No. 4 (B4)

No engine braking (2nd: 2 position)Brake No. 2 (B2)

No engine braking (3rd: 3 position)Brake No. 1 (B1)

Poor acceleration (All positions)Torque converter clutchAT-34
Poor acceleration (5th)
1. Clutch No. 1 (C1)
2. Clutch No. 3 (C
3)
3. Brake No. 1 (B
1)
4. Front planetary gear unit








Engine stalls when starting off or stoppingTorque converter clutchAT-34

DIB31-02
A14471
E9E5E6E7E8 ECM Terminals
- DIAGNOSTICSAUTOMATIC TRANSMISSION
DI-393
586 Author
: Date
:
2004 LAND CRUISER (RM1071U)
TERMINALS OF ECM
Symbols (Terminals No.)Wiring ColorConditionSTD Voltage (V)
P (E9 6) E1 (E7 1)GW BRIG switch ON and shift lever P position10 to 14P (E9-6) - E1 (E7-1)G-W - BRIG switch ON and shift lever other than P positionBelow 1
N (E9 7) E1 (E7 1)GR BRIG switch ON and shift lever N position10 to 14N (E9-7) - E1 (E7-1)G-R - BRIG switch ON and shift lever other than N positionBelow 1
L4 (E8 4) E1 (E7 1)BL BRIG switch ON and Transfer shift lever L position9 to 14L4 (E8-4) - E1 (E7-1)B-L - BRIG switch ON and Transfer shift lever other than L positionBelow 1.5
SNWI (E8 5) E1 (E7 1)LR BRIG switch ON9 to 14SNWI (E8-5) - E1 (E7-1)L-R - BRIG switch ON and Press continuously 2nd start switchBelow 1
L (E8 8) E1 (E7 1)RL BRIG switch ON and shift lever L position9 to 14L (E8-8) - E1 (E7-1)R-L - BRIG switch ON and shift lever other than L positionBelow 1.5
2 (E8 9) E1 (E7 1)GB BRIG switch ON and shift lever 2 and L position9 to 142 (E8-9) - E1 (E7-1)G-B - BRIG switch ON and shift lever other than 2 and L positionBelow 1.5
D (E8 10) E1 (E7 1)GY BRIG switch ON and shift lever D and 4 position9 to 14D (E8-10) - E1 (E7-1)G-Y - BRIG switch ON and shift lever other than D and 4 positionBelow 1.5
R (E8 11) E1 (E7 1)RB BRIG switch ON and shift lever R position9 to 14R (E8-11) - E1 (E7-1)R-B - BRIG switch ON and shift lever other than R positionBelow 1.5
STP (E8 19) E1 (E7 1)GW BRBrake pedal is depressed7.5 to 14STP (E8-19) - E1 (E7-1)G-W - BRBrake pedal is releasedBelow 1.5
3 (E8 20) E1 (E7 1)GBRIG switch ON and shift lever 3 position9 to 143 (E8-20) - E1 (E7-1)G - BRIG switch ON and shift lever other than 3 positionBelow 1.5
4 (E8 23) E1 (E7 1)GR BRIG switch ON and shift lever 4 position9 to 144 (E8-23) - E1 (E7-1)G-R - BRIG switch ON and shift lever other than 4 positionBelow 1.5
PWR (E8 28) E1 (E7 1)LW BRIG switch ON and Pattern select switch º PWRº OFF9 to 14PWR (E8-28) - E1 (E7-1)L-W - BRIG switch ON and Pattern select switch ºPWRº ONBelow 1
TFN (E7 11) E1 (E7 1)YG BRIG switch ON and Transfer shift lever N positionBelow 1.5TFN (E7-11) - E1 (E7-1)Y-G - BRIG switch ON and Transfer shift lever other than N position9 to 14
SLU+ (E7-16) - SLU- (E7-15)P-G - BEngine idle speedPulse generation 2
reference
IG switch ONBelow 1.5
S2 (E6-10) - E1 (E7-1)W - BR2nd or 3rd gear9 to 14S2 (E6 10) E1 (E7 1)W BR
1st, 4th or 5th gearBelow 1.5
IG switch ON9 to 14
S1 (E6-11) - E1 (E7-1)R - BR1st or 2nd gear9 to 14S1 (E6 11) E1 (E7 1)R BR
3rd, 4th or 5th gearBelow 1.5

C00033
5V 1ms
GND
C00034
5V1ms
GND
C42918C00037
GND 5V1ms DI-394
- DIAGNOSTICSAUTOMATIC TRANSMISSION
587 Author
: Date
:
2004 LAND CRUISER (RM1071U)SLT
+ (E6-13) - SLT- (E6-12)G-W - G-BEngine idle speedPulse generation 1
reference
IG switch ONBelow 1.5
SR (E6-15) - E1 (E7-1)G - BR5th gear9 to 14SR (E6 15) E1 (E7 1)G BR
1st gearBelow 1
SL2+ (E6-17) - SL2- (E6-16)P-B - P-LEngine idle speedPulse generation 3
reference
SL1+ (E6-19) - SL1- (E6-18)R-L - R-WEngine idle speedPulse generation 4
reference
THO2 (E6-24) - E2 (E5-28)L - BR-WATF temperature: 115°C (239°F) or moreBelow 1.5
SP2+ (E6-26) - SP2- (E6-34)R - GVehicle speed 20 km/h (12 mph)Pulse generation 6
reference
NT+ (E6-27) - NT- (E6-35)L - WEngine idle speedPulse generation 5
reference
THO1 (E6-32) - E2 (E5-28)G-Y - BR-WATF temperature: 115°C (239°F) or moreBelow 1.5
NSW (E5 16) E1 (E7 1)BW BRIG switch ON and shift lever P and N positionBelow 1.5NSW (E5-16) - E1 (E7-1)B-W - BRIG switch ON and shift lever other than P and N position9 to 14
Pulse generation 1
Reference:
ItemCondition
TerminalSLT+ - SLT-
Tool setting5V/DIV, 1ms/DIV
Vehicle conditionEngine idle speed
Pulse generation 2
Reference:
ItemCondition
TerminalSLU+ - SLU-
Tool setting5V/DIV, 1ms/DIV
Vehicle conditionEngine idle speed
Pulse generation 3
Reference:
ItemCondition
TerminalSL2+ - SL2-
Tool setting5V/DIV, 1ms/DIV
Vehicle conditionEngine idle speed

C42919C00038
GND 5V1ms
C00035
GND 1V 2ms
C13480C00036
GND 2V 20ms
- DIAGNOSTICSAUTOMATIC TRANSMISSION
DI-395
588 Author
: Date
:
2004 LAND CRUISER (RM1071U)
Pulse generation 4
Reference:
ItemCondition
TerminalSL1+ - SL1-
Tool setting5V/DIV, 1ms/DIV
Vehicle conditionEngine idle speed
Pulse generation 5
Reference:
ItemCondition
TerminalNT+ - NT-
Tool setting1V/DIV, 2ms/DIV
Vehicle conditionEngine idle speed
Pulse generation 6
Reference:
ItemCondition
TerminalSP2+ - SP2-
Tool setting2V/DIV, 20ms/DIV
Vehicle conditionVehicle speed 20 km/h (12 mph)

- DIAGNOSTICSENGINE
DI-19
212 Author
: Date
:
Idle air control valveIdle speed control
VSV for CCV, Canister close valve VSV for canister controlEvaporative emissions canister vent valve
VSV for EVAP, Vacuum switching valve assembly No. 1,
EVAP VSV, Purge VSVEvaporative emissions canister purge valve
VSV for pressure switching valve, Bypass VSVEvaporative emission pressure switching valve
Vapor pressure sensor, EVAP pressure sensor, Evaporative
emission control system pressure sensorFuel tank pressure sensor
Charcoal canisterEvaporative emissions canister
ORVR systemOn-board refueling vapor recovery system
Intake manifold runner controlIntake manifold tuning system
Intake manifold runner valve, IMRV, IACV (runner valve)Intake manifold tuning valve
Intake control VSVIntake manifold tuning solenoid valve
AFSAir fuel ratio sensor
O2 sensorHeater oxygen sensor
Oxygen sensor pumping current circuitOxygen sensor output signal
Oxygen sensor reference ground circuitOxygen sensor signal ground
Accel position sensorAccelerator pedal position sensor
Throttle actuator control motor, Actuator control motor, Elec-
tronic throttle motor, Throttle control motorElectronic throttle actuator
Electronic throttle control system, Throttle actuator control
systemElectronic throttle control system
Throttle/pedal position sensor, Throttle/pedal position switch,
Throttle position sensor/switchThrottle position sensor
Turbo press sensorTurbocharger pressure sensor
Turbo VSVTurbocharger pressure control solenoid valve
P/S pressure switchPower-steering pressure switch
VSV for ACMActive control engine mount
Speed sensor, Vehicle speed sensor ºAº, Speed sensor for
skid control ECUVehicle speed sensor
ATF temperature sensor, Trans. fluid temp. sensor, ATF
temperature sensor ºAºTransmission fluid temperature sensor
Electronic controlled automatic transmission, ECTElectronically controlled automatic
Intermediate shaft speed sensor ºAºCounter gear speed sensor
Output speed sensorOutput shaft speed sensor
Input speed sensor, Input turbine speed sensor ºAº, Speed
sensor (NT), Turbine speed sensorInput turbine speed sensor
PNP switch, NSWPark/neutral position switch
Pressure control solenoidTransmission pressure control solenoid
Shift solenoidTransmission shift solenoid valve
Transmission control switch, Shift lock control unitShift lock control module
Engine immobiliser system, Immobiliser systemVehicle anti-theft system

*The titles given inside the components are the names of the terminals (terminal codes) and are not treated as being
abbreviations.
2004 LAND CRUISER (EWD548U)
17 ABBREVIATIONS D
ABBREVIATIONS
The following abbreviations are used in this manual.
A/C = Air Conditioning
A/T = Automatic Transmission
ABS = Anti-Lock Brake System
ACIS = Acoustic Control Induction System
BA = Brake Assist
DIFF. = Differential
DVD = Digital Versatile Disc
EC = Electrochromic
ECU = Electronic Control Unit
ESA = Electronic Spark Advance
ETCS-i = Electronic Throttle Control System-intelligent
EVAP = Evaporative Emission
IC = Integrated Circuit
J/B = Junction Block
LH = Left-Hand
R/B = Relay Block
RH = Right-Hand
SFI = Sequential Multiport Fuel Injection
SRS = Supplemental Restraint System
SW = Switch
TEMP. = Temperature
TRAC = Traction Control
VSC = Vehicle Stability Control
VSV = Vacuum Switching Valve
w/ = With
w/o = Without