engine control NISSAN TIIDA 2007 Service Owner's Manual

TROUBLE DIAGNOSIS
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How to Perform Trouble Diagnoses for Quick and Accurate RepairUCS005M N
INTRODUCTION
The TCM receives a signal from the vehicle speed sensor, accelera-
tor pedal position sensor or PNP switch and provides shift control or
lock-up control via A/T solenoid valves.
The TCM also communicates with the ECM by means of a sig-
nalsent from sensing elements used with the OBD-related parts of
theA/T system for malfunction-diagnostic purposes. The TCM is
capa-ble of diagnosing malfunctioning parts while the ECM can store
mal-functions in its memory.
Input and output signals must always be correct and stable in the
operation of the A/T system. The A/T system must be in good oper-
ating condition and be free of valve seizure, solenoid valve malfunc-
tion, etc.
It is much more difficult to diagnose a malfunction that occurs intermittently rather than continuously. Most
intermittent malfunctions are caused by poor electric connections or improper wiring. In this case, careful
checking of suspected circuits may help prevent the replacement of good parts.
A visual check only, may not find the cause of the malfunctions. A
road test with CONSULT-II or a circuit tester connected should be
performed. Follow the AT-46, "
WORK FLOW" .
Before undertaking actual checks, take a few minutes to talk with a
customer who approaches with a driveability complaint. The cus-
tomer can supply good information about such malfunctions, espe-
cially intermittent ones. Find out what symptoms are present and
under what conditions they occur. A “DIAGNOSTIC WORKSHEET”
like the example (AT- 4 7 , "
DIAGNOSTIC WORKSHEET" ) should be
used.
Start your diagnosis by looking for “conventional” malfunctions first.
This will help troubleshoot driveability malfunctions on an electroni-
cally controlled engine vehicle.
Also check related Service bulletins for information.
SAT6 3 1IA
SAT6 3 2I
SEF 2 34 G

AT-48
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
4.❏ Perform “Road Test”.AT- 5 8
4-1. “Check Before Engine is Started”AT- 5 8
❏ AT-198, "OD OFF Indicator Lamp Does Not Come On"
❏ Perform self-diagnosis. Enter checks for detected items. AT- 8 2 , AT- 9 0 .
❏ AT- 9 4 , "
DTC U1000 CAN COMMUNICATION LINE" .
❏ AT- 9 7 , "
DTC P0705 PARK/NEUTRAL POSITION (PNP) SWITCH" .
❏ AT-102, "
DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT" .
❏ AT-107, "
DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)" .
❏ AT- 11 3 , "
DTC P0725 ENGINE SPEED SIGNAL" .
❏ AT- 11 7 , "
DTC P0731 A/T 1ST GEAR FUNCTION"
❏ AT-121, "DTC P0732 A/T 2ND GEAR FUNCTION" .
❏ AT-124, "
DTC P0733 A/T 3RD GEAR FUNCTION" .
❏ AT-128, "
DTC P0734 A/T 4TH GEAR FUNCTION" .
❏ AT-134, "
DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE" .
❏ AT-139, "
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)" .
❏ AT-145, "
DTC P0745 LINE PRESSURE SOLENOID VALVE" .
❏ AT-151, "
DTC P0750 SHIFT SOLENOID VALVE A" .
❏ AT-156, "
DTC P0755 SHIFT SOLENOID VALVE B" .
❏ AT-161, "
DTC P1760 OVERRUN CLUTCH SOLENOID VALVE" .
❏ AT-166, "
DTC VEHICLE SPEED SENSOR MTR" .
❏ AT-170, "
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)" .
❏ AT-176, "
DTC TURBINE REVOLUTION SENSOR" .
❏ AT-182, "
CONTROL UNIT (RAM), CONTROL UNIT (ROM)" .
❏ AT-183, "
MAIN POWER SUPPLY AND GROUND CIRCUIT" .
4-2. “Check at Idle”AT- 5 9
❏ AT-200, "Engine Cannot Be Started in “P” and “N” Position" .
❏ AT-201, "
In “P” Position, Vehicle Moves Forward or Backward When Pushed" .
❏ AT-201, "
In “N” Position, Vehicle Moves" .
❏ AT-202, "
Large Shock “N” → “R” Position" .
❏ AT-203, "
Vehicle Does Not Creep Backward in “R” Position" .
❏ AT-205, "
Vehicle Does Not Creep Forward in “D”, “2” or “1” Position" .

TROUBLE DIAGNOSIS
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4. 4-3. “Cruise Test”AT-6 1
Part 1
❏ AT-206, "
Vehicle Cannot Be Started from D1" .
❏ AT-208, "
A/T Does Not Shift: D1 → D2 or Does Not Kickdown: D4 → D2" .
❏ AT-210, "
A/T Does Not Shift: D2 → D3" .
❏ AT-212, "
A/T Does Not Shift: D3 → D4" .
❏ AT-214, "
A/T Does Not Perform Lock-up" .
❏ AT-215, "
A/T Does Not Hold Lock-up Condition" .
❏ AT-216, "
Lock-up Is Not Released" .
❏ AT-217, "
Engine Speed Does Not Return to Idle (Light Braking D4 → D3 )" .
Part 2AT-6 4
❏ AT-206, "Vehicle Cannot Be Started from D1" .
❏ AT-208, "
A/T Does Not Shift: D1 → D2 or Does Not Kickdown: D4 → D2" .
❏ AT-210, "
A/T Does Not Shift: D2 → D3" .
❏ AT-212, "
A/T Does Not Shift: D3 → D4" .
Part 3AT-6 5
❏ AT-218, "A/T Does Not Shift: D4 → D3 , When OD OFF" .
❏ AT-219, "
A/T Does Not Shift: D3 → 22 , When Selector Lever “D” → “2” Position" .
❏ AT-221, "
A/T Does Not Shift: 22 → 11 , When Selector Lever “2” → “1” Position" .
❏ AT-223, "
Vehicle Does Not Decelerate by Engine Brake" .
❏ Perform self-diagnosis. Enter checks for detected items. AT-8 2
, AT-9 0 .
❏ AT - 9 4 , "
DTC U1000 CAN COMMUNICATION LINE" .
❏ AT - 9 7 , "
DTC P0705 PARK/NEUTRAL POSITION (PNP) SWITCH" .
❏ AT-102, "
DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT" .
❏ AT-107, "
DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)" .
❏ AT - 11 3 , "
DTC P0725 ENGINE SPEED SIGNAL" .
❏ AT - 11 7 , "
DTC P0731 A/T 1ST GEAR FUNCTION"
❏ AT-121, "DTC P0732 A/T 2ND GEAR FUNCTION" .
❏ AT-124, "
DTC P0733 A/T 3RD GEAR FUNCTION" .
❏ AT-128, "
DTC P0734 A/T 4TH GEAR FUNCTION" .
❏ AT-134, "
DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE" .
❏ AT-139, "
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)" .
❏ AT-145, "
DTC P0745 LINE PRESSURE SOLENOID VALVE" .
❏ AT-151, "
DTC P0750 SHIFT SOLENOID VALVE A" .
❏ AT-156, "
DTC P0755 SHIFT SOLENOID VALVE B" .
❏ AT-161, "
DTC P1760 OVERRUN CLUTCH SOLENOID VALVE" .
❏ AT-166, "
DTC VEHICLE SPEED SENSOR MTR" .
❏ AT-170, "
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)" .
❏ AT-176, "
DTC TURBINE REVOLUTION SENSOR" .
❏ AT-182, "
CONTROL UNIT (RAM), CONTROL UNIT (ROM)" .
❏ AT-183, "
MAIN POWER SUPPLY AND GROUND CIRCUIT" .
5.❏ For self-diagnosis NG items, inspect each component. Repair or replace the damaged parts.AT-8 2
,
AT-9 1
6.❏ Perform “Road Test”.AT-5 8
7.❏ Perform the Diagnostic Procedures for all remaining items marked NG. Repair or replace the damaged parts.
Refer to the Symptom Chart when you perform the procedures. (The chart also shows some other possible
symptoms and the component inspection orders.)AT-6 8
8.❏ Erase DTC from TCM and ECM memories.AT-8 3,
AT-9 3

TROUBLE DIAGNOSIS
AT-57
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5. Start engine and measure line pressure at idle and stall speed.
CAUTION:

Keep the brake pedal pressed all the way down during
measurement.

When measuring the line pressure at the stall speed,
refer to AT-53, "
STALL TEST" .
Line Pressure
Judgement of Line Pressure Test
SAT4 9 3G
Engine speedLine pressure [kPa (kg/cm2 , psi)]
D, 2nd and 1st positions R position
Idle speed 500 (5.1, 73) 778 (7.9, 113)
Stall speed 1,173 (12.0, 170) 1,825 (18.6, 265)
Judgement Suspected parts
At idleLine pressure is low in all positions.

Oil pump wear

Control piston damage

Pressure regulator valve or plug sticking

Spring for pressure regulator valve damaged

Fluid pressure leakage between oil strainer and pressure regulator valve

Clogged strainer
Line pressure is low in particular posi-
tion.

Fluid pressure leakage between manual valve and particular clutch

For example, line pressure is:
− Low in “R” and “1” positions, but
− Normal in “D”, and “2” positions.
Therefore, fluid leakage exists at or around low and reverse brake circuit.
Refer to AT - 2 2 , "
CLUTCH AND BAND CHART" .
Line pressure is high.

Accelerator pedal position signal malfunction

A/T fluid temperature sensor damaged

Line pressure solenoid valve sticking

Short circuit of line pressure solenoid valve circuit

Pressure modifier valve sticking

Pressure regulator valve or plug sticking

Open in dropping resistor circuit
At stall
speedLine pressure is low.

Accelerator pedal position signal malfunction

Line pressure solenoid valve sticking

Short circuit of line pressure solenoid valve circuit

Pressure regulator valve or plug sticking

Pressure modifier valve sticking

Pilot valve sticking

TROUBLE DIAGNOSIS
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7. CHECK VEHICLE MOVE
Move selector lever to “D”, “2” and “1” positions and check if vehicle
creeps forward.
Does vehicle creep forward in all three positions?
YES >> Go to AT- 6 1 , "Cruise Test — Part 1" .
NO >>

Mark the box on the AT-47, "DIAGNOSTIC WORK-
SHEET" .

Go to AT-205, "Vehicle Does Not Creep Forward in
“D”, “2” or “1” Position" .

Continue “Road Test”.
Cruise Test — Part 1UCS005M U
1. CHECK STARTING GEAR (D1 ) POSITION
1. Drive vehicle for approximately 10 minutes to warm engine oil and ATF up to operating temperature.
2. Park vehicle on flat surface.
3. Push overdrive control switch. (OD OFF indicator lamp is off.)
4. Move selector lever to “P” position.
5. Start engine.
6. Move selector lever to “D” position.
7. Accelerate vehicle by constantly depressing accelerator pedal
half-way.
Read gear position. Refer to AT- 8 4 , "
DATA MONITOR
MODE" .
Does vehicle start from D
1 ?
YES >> GO TO 2.
NO >>

Mark the box on the AT-47, "DIAGNOSTIC WORK-
SHEET" .

Go to AT-206, "Vehicle Cannot Be Started from D1" .

Continue “Road Test”.
SAT7 7 3B
ATF operating temperature: 50 - 80°C (122 - 176°F)
SCIA5472E
SAT7 7 5B
SAT4 9 5G

TROUBLE DIAGNOSIS
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4. CHECK SHIFT-UP (D3 TO D4 ) AND ENGINE BRAKE
Release accelerator pedal after shifting from D
2 to D3 .
Read gear position, throttle opening and vehicle speed.
Refer to AT-8 4, "
DATA MONITOR MODE" .
Does A/T shift from D
3 to D4 and does vehicle decelerate by engine
brake?
YES >> 1. Stop vehicle.
2. Go to AT- 6 5 , "
Cruise Test — Part 3" .
NO >>

Mark the box on the AT-47, "DIAGNOSTIC WORK-
SHEET" .

Go to AT-212, "A/T Does Not Shift: D3 → D4" .

Continue “Road Test”.
Cruise Test — Part 3UCS005MW
1. CHECK SHIFT-DOWN (D4 TO D3 )
1. Push overdrive control switch. (OD OFF indicator lamp is off.)
2. Move selector lever to “D” position.
3. Accelerate vehicle using half throttle to D
4 .
4. Release accelerator pedal.
5. Push overdrive control switch. (OD OFF indicator lamp is on.)
Read gear position and vehicle speed. Refer to AT- 8 4 ,
"DATA MONITOR MODE" .
Does A/T shift from D
4 to D3 (OD OFF)?
YES >> GO TO 2.
NO >>

Mark the box on the AT-47, "DIAGNOSTIC WORK-
SHEET" .

Go to AT-218, "A/T Does Not Shift: D4 → D3 , When
OD OFF" .

Continue “Road Test”.
SAT4 0 5H
SAT8 1 2A
SAT8 1 3A
SCIA5469E

AT-68
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
Symptom ChartUCS005M Z
Numbers are arranged in order of inspection.
Perform inspections starting with number one and work up.
Items Symptom Condition Diagnostic item Reference page
No Lock-up Engage-
ment/TCC Inopera-
tiveTorque converter is
not locked up.ON vehicle1. Accelerator pedal position sensorEC-532
2. Vehicle speed sensor·A/T (Revolution sensor)
and vehicle speed sensor·MTRAT- 1 0 7, AT- 1 6 6
3. Engine speed signalAT- 11 3
4. A/T fluid temperature sensorAT- 1 0 2
5. Line pressure testAT- 5 6
6. Torque converter clutch solenoid valveAT- 1 3 4
7. Control valve assemblyAT- 2 4 2
OFF vehicle 8. Torque converterAT- 2 6 8
Torque converter
clutch piston slip.ON vehicle1. A/T fluid levelAT- 1 6
2. Accelerator pedal position sensorEC-532
3. Line pressure testAT- 5 6
4. Torque converter clutch solenoid valveAT- 1 3 4
5. Line pressure solenoid valveAT- 1 4 5
6. Control valve assemblyAT- 2 4 2
OFF vehicle 7. Torque converterAT- 2 6 8
Lock-up point is
extremely high or low.ON vehicle1. Accelerator pedal position sensorEC-5322. Vehicle speed sensor·A/T (Revolution sensor)
and vehicle speed sensor·MTRAT- 1 0 7, AT- 1 6 6
3. Torque converter clutch solenoid valveAT- 1 3 4
4. Control valve assemblyAT- 2 4 2
Shift ShockSharp shock in shift-
ing from “N” to “D”
position.ON vehicle1. Engine idling speedEC-75
2. Accelerator pedal position sensorEC-532
3. Line pressure testAT- 5 6
4. A/T fluid temperature sensorAT- 1 0 2
5. Engine speed signalAT- 11 3
6. Line pressure solenoid valveAT- 1 4 5
7. Control valve assemblyAT- 2 4 2
8. Accumulator N-DAT- 2 4 2
OFF vehicle 9. Forward clutchAT- 3 2 0
Too sharp a shock in
changing from D
1 to
D
2 .ON vehicle1. Accelerator pedal position sensorEC-532
2. Line pressure testAT- 5 6
3. Accumulator servo releaseAT- 2 4 2
4. Control valve assemblyAT- 2 4 2
5. A/T fluid temperature sensorAT- 1 0 2
OFF vehicle 6. Brake bandAT- 3 4 3

TROUBLE DIAGNOSIS
AT-69
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Shift ShockToo sharp a shock in
changing from D
2 to
D
3 .ON vehicle1. Accelerator pedal position sensorEC-532
2. Line pressure testAT- 5 6
3. Control valve assemblyAT- 2 4 2
OFF vehicle4. High clutchAT- 3 1 45. Brake bandAT- 3 4 3
Too sharp a shock in
changing from D
3 to
D
4 .ON vehicle1. Accelerator pedal position sensorEC-532
2. Line pressure testAT- 5 6
3. Control valve assemblyAT- 2 4 2
OFF vehicle4. Brake bandAT- 3 4 35. Overrun clutchAT- 3 2 0
6. Forward one-way clutchAT- 3 3 2
Gear change shock
during deceleration
by releasing accelera-
tor pedal.ON vehicle1. Accelerator pedal position sensorEC-5322. Line pressure testAT- 5 6
3. Overrun clutch solenoid valveAT- 1 6 1
4. Control valve assemblyAT- 2 4 2
Large shock in
changing from 1
2 to
1
1 in “1” position.ON vehicle 1. Control valve assemblyAT- 2 4 2OFF vehicle 2. Low & reverse brakeAT- 3 2 7
Improper Shift TimingToo high a gear
change point from D
1
to D
2 , from D2 t o D3 ,
from D
3 to D4 .ON vehicle1. Accelerator pedal position sensorEC-532
2. Vehicle speed sensor·A/T (Revolution sensor)
and vehicle speed sensor·MTRAT- 1 0 7, AT- 1 6 6
3. Shift solenoid valve AAT- 1 5 1
4. Shift solenoid valve BAT- 1 5 6
Gear change directly
from D
1 to D3
occurs.ON vehicle1. A/T fluid levelAT- 1 62. Accumulator servo releaseAT- 2 4 2
OFF vehicle 3. Brake bandAT- 3 4 3
Too high a change
point from D
4 to D3 ,
from D
3 to D 2 , from
D
2 to D1 .ON vehicle1. Accelerator pedal position sensorEC-532
2. Vehicle speed sensor·A/T (Revolution sensor)
and vehicle speed sensor·MTRAT- 1 0 7, AT- 1 6 6
Kickdown does not
operate when
depressing accelera-
tor pedal in D
4 within
kickdown vehicle
speed.ON vehicle1. Accelerator pedal position sensorEC-532
2. Vehicle speed sensor·A/T (Revolution sensor)
and vehicle speed sensor·MTRAT- 1 0 7, AT- 1 6 6
3. Shift solenoid valve AAT- 1 5 1
4. Shift solenoid valve BAT- 1 5 6
Kickdown operates or
engine overruns
when depressing
accelerator pedal in
D
4 beyond kickdown
vehicle speed limit.ON vehicle1. Vehicle speed sensor·A/T (Revolution sensor)
and vehicle speed sensor·MTRAT- 1 0 7
, AT- 1 6 6
2. Accelerator pedal position sensorEC-532
3. Shift solenoid valve AAT- 1 5 1
4. Shift solenoid valve BAT- 1 5 6
Gear change from 22
to 2
3 in “2” position.ON vehicle1. PNP switch adjustmentAT- 2 4 72. Control cable adjustmentAT- 2 3 3
Gear change from 11
to 1
2 in “1” position.ON vehicle1. PNP switch adjustmentAT- 2 4 72. Control cable adjustmentAT- 2 3 3
Items Symptom Condition Diagnostic item Reference page

AT-74
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
Slips/Will Not EngageRaces extremely fast
or slips in changing
from D
3 to D2 when
depressing accelera-
tor pedal. ON vehicle1. A/T fluid levelAT- 1 6
2. Accelerator pedal position sensor EC-532
3. Line pressure testAT- 5 6
4. Line pressure solenoid valveAT- 1 4 5
5. Shift solenoid valve BAT- 1 5 6
6. Control valve assemblyAT- 2 4 2
OFF vehicle7. Brake bandAT- 3 4 38. High clutchAT- 3 1 4
Races extremely fast
or slips in changing
from D
4 or D3 to D 1
when depressing
accelerator pedal.ON vehicle1. A/T fluid levelAT- 1 6
2. Accelerator pedal position sensorEC-532
3. Line pressure testAT- 5 6
4. Line pressure solenoid valveAT- 1 4 5
5. Shift solenoid valve AAT- 1 5 1
6. Shift solenoid valve BAT- 1 5 6
7. Control valve assemblyAT- 2 4 2
OFF vehicle8. Forward clutchAT- 3 2 09. Forward one-way clutchAT- 3 3 2
10. Low one-way clutchAT- 2 6 8
Vehicle will not run in
any position.ON vehicle1. A/T fluid levelAT- 1 6
2. Control cable adjustmentAT- 2 3 3
3. Line pressure testAT- 5 6
4. Line pressure solenoid valveAT- 1 4 5
OFF vehicle5. Oil pumpAT- 2 8 9
6. High clutchAT- 3 1 4
7. Brake bandAT- 3 4 3
8. Low & reverse brakeAT- 3 2 7
9. Torque converterAT- 2 6 8
10. Parking componentsAT- 2 5 7
OthersEngine cannot be
started in “P” and “N”
positions.
AT- 2 0 0
ON vehicle1. Ignition switch and starterPG-4
, SC-10
2. Control cable adjustmentAT- 2 3 3
3. PNP switch adjustmentAT- 2 4 7
Engine starts in posi-
tions other than “P”
and “N”.ON vehicle1. Control cable adjustmentAT- 2 3 3
2. PNP switch adjustmentAT- 2 4 7
Transaxle noise in“ P”
and “N” positions.ON vehicle1. A/T fluid levelAT- 1 6
2. Line pressure testAT- 5 6
3. Accelerator pedal position sensorEC-532
4. Vehicle speed sensor·A/T (Revolution sensor)
and vehicle speed sensor·MTRAT- 1 0 7, AT- 1 6 6
OFF vehicle5. Oil pumpAT- 2 8 96. Torque converterAT- 2 6 8
Items Symptom Condition Diagnostic item Reference page

TROUBLE DIAGNOSIS
AT-75
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OthersVehicle moves when
changing into “P”
position or parking
gear does not disen-
gage when shifted out
of “P” position.ON vehicle 1. Control cable adjustmentAT- 2 3 3
OFF vehicle 2. Parking componentsAT- 2 5 7
Vehicle runs in “N”
position.
AT- 2 0 1
ON vehicle 1. Control cable adjustmentAT- 2 3 3
OFF vehicle2. Forward clutchAT- 3 2 03. Reverse clutchAT- 3 0 9
4. Overrun clutchAT- 3 2 0
Vehicle braked when
shifting into “R” posi-
tion.ON vehicle1. A/T fluid levelAT- 1 6
2. Control cable adjustmentAT- 2 3 3
3. Line pressure testAT- 5 6
4. Line pressure solenoid valveAT- 1 4 5
5. Control valve assemblyAT- 2 4 2
OFF vehicle6. High clutchAT- 3 1 47. Brake band AT- 3 4 3
8. Forward clutchAT- 3 2 0
9. Overrun clutchAT- 3 2 0
Excessive creep. ON vehicle 1. Engine idling speedEC-75
Engine stops when
shifting lever into “R”,
“D”, “2” and “1” posi-
tions.ON vehicle1. Engine idling speedEC-752. A/T fluid levelAT- 1 6
3. Torque converter clutch solenoid valveAT- 1 3 4
4. Control valve assemblyAT- 2 4 2
OFF vehicle 5. Torque converterAT- 2 6 8
Vehicle braked by
gear change from D
1
to D
2 .ON vehicle 1. A/T fluid levelAT- 1 6OFF vehicle2. Reverse clutchAT- 3 0 93. Low & reverse brakeAT- 3 2 7
4. High clutchAT- 3 1 4
5. Low one-way clutchAT- 2 6 8
Vehicle braked by
gear change from D
2
to D
3 .ON vehicle 1. A/T fluid levelAT- 1 6OFF vehicle 2. Brake bandAT- 3 4 3
Vehicle braked by
gear change from D
3
to D
4 .ON vehicle 1. A/T fluid levelAT- 1 6OFF vehicle2. Overrun clutchAT- 3 2 03. Forward one-way clutchAT- 3 3 2
4. Reverse clutchAT- 3 0 9
Items Symptom Condition Diagnostic item Reference page