check oil INFINITI FX35 2008 Service Manual

AT-4
BRAKE SIGNAL CIRCUIT ..............................165
CONSULT-III Reference Value in Data Monitor
Mode .................................................................... ..
165
Diagnosis Procedure .............................................165
A/T INDICATOR CIRCUIT ...............................166
Description ........................................................... ..166
CONSULT-III Reference Value in Data Monitor
Mode .................................................................... ..
166
Diagnosis Procedure .............................................166
TROUBLE DIAGNOSIS FOR SYMPTOMS .....167
Wiring Diagram - AT - NONDTC .......................... ..167
A/T Check Indicator Lamp Does Not Come On .....170
Engine Cannot Be Started in "P" or "N" Position ...170
In "P" Position, Vehicle Moves When Pushed .......171
In "N" Position, Vehicle Moves ..............................172
Large Shock ("N" to "D" Position) ..........................173
Vehicle Does Not Creep Backward in "R" Position ..175
Vehicle Does Not Creep Forward in "D" Position ..178
Vehicle Cannot Be Started from D1 .......................180
A/T Does Not Shift: D1→ D2 ................................ ..182
A/T Does Not Shift: D2→ D3 ................................ ..184
A/T Does Not Shift: D3→ D4 ................................ ..186
A/T Does Not Shift: D4→ D5 ................................ ..188
A/T Does Not Lock-up ......................................... ..190
A/T Does Not Hold Lock-up Condition ...................192
Lock-up Is Not Released .......................................194
Engine Speed Does Not Return to Idle .................194
Cannot Be Changed to Manual Mode ...................195
A/T Does Not Shift: 5th Gear → 4th Gear ........... ..196
A/T Does Not Shift: 4th Gear → 3rd Gear ........... ..197
A/T Does Not Shift: 3rd Gear → 2nd Gear .......... ..199
A/T Does Not Shift: 2nd Gear → 1st Gear ........... ..201
Vehicle Does Not Decelerate by Engine Brake ... ..202
SHIFT CONTROL SYSTEM ............................205
Control Device Removal and Installation ............. ..205
Control Rod Removal and Installation ...................206
Adjustment of A/T Position ....................................207
Checking of A/T Position .......................................207
A/T SHIFT LOCK SYSTEM .............................208
Description ........................................................... ..208
Shift Lock System Electrical Parts Location ..........208
Wiring Diagram - AT - SHIFT .................................209
Diagnosis Procedure .............................................209
KEY INTERLOCK CABLE ...............................212
Component .......................................................... ..212
Removal and Installation .......................................212
ON-VEHICLE SERVICE ...................................215
Control Valve with TCM and A/T Fluid Tempera-
ture Sensor 2 ....................................................... .
215
Parking Component (2WD Models Only) ..............226
Rear Oil Seal .........................................................233
Revolution Sensor Component (2WD Models
Only) .....................................................................
233
AIR BREATHER HOSE ....................................239
Removal and Installation ...................................... .239
TRANSMISSION ASSEMBLY ..........................241
Removal and Installation (2WD Models) .............. .241
Removal and Installation (AWD Models) ..............243
OVERHAUL ......................................................249
Component .......................................................... .249
Oil Channel ...........................................................261
Location of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings ......................... .
264
DISASSEMBLY .............................................. ..267
Disassembly ......................................................... .267
REPAIR FOR COMPONENT PARTS ..............285
Oil Pump .............................................................. .285
Front Sun Gear, 3rd One-Way Clutch ...................287
Front Carrier, Input Clutch, Rear Internal Gear .....289
Mid Sun Gear, Rear Sun Gear, High and Low Re-
verse Clutch Hub ..................................................
295
High and Low Reverse Clutch ..............................301
Direct Clutch .........................................................303
ASSEMBLY .................................................... ..306
Assembly (1) ........................................................ .306
Adjustment ............................................................320
Assembly (2) .........................................................323
SERVICE DATA AND SPECIFICATIONS
(SDS) ................................................................
330
General Specification ........................................... .330
Vehicle Speed at Which Gear Shifting Occurs .....330
Vehicle Speed at Which Lock-up Occurs/Releas-
es ..........................................................................
331
Stall Speed ............................................................331
Line Pressure ........................................................331
A/T Fluid Temperature Sensor ..............................332
Turbine Revolution Sensor ...................................332
Vehicle Speed Sensor A/T (Revolution Sensor) ...332
Reverse Brake ......................................................332
Total End Play .......................................................332
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AT-8
< SERVICE INFORMATION >
PRECAUTIONS
After performing each TROUBLE DIAGNOSIS, perform “DTC
(Diagnostic Trouble Code) Confirmation Procedure”.
If the repair is completed the DTC should not be displayed in
the “DTC Confirmation Procedure”.
 Always use the specified brand of ATF. Refer to MA-9, "
Fluids and Lubricants".
 Use lint-free paper not cloth rags during work.
 After replacing the ATF, dispose of the waste oil using the methods prescribed by law, ordinance, etc.
 Before proceeding with disassembly, thoroughly clean the out side of the transmission. It is important to pre-
vent the internal parts from becoming cont aminated by dirt or other foreign matter.
 Disassembly should be done in a clean work area.
 Use lint-free paper or towels for wiping parts clean. Common shop rags can leave fibers that could interfere
with the operation of the transmission.
 Place disassembled parts in order for easier and proper assembly.
 All parts should be carefully cleansed with a general purpose, non-flammable solvent before inspection or
reassembly.
 Gaskets, seals and O-rings should be replaced any time the transmission is disassembled.
 It is very important to perform functional tests whenever they are indicated.
 The valve body contains precision parts and requires extreme care when parts are removed and serviced. Place disassembled valve body parts in order for easier and proper assembly. Care will also prevent springs
and small parts from becoming scattered or lost.
 Properly installed valves, sleeves, plugs, etc. will s lide along bores in valve body under their own weight.
 Before assembly, apply a coat of recommended ATF to all parts. Apply petroleum jelly to protect O-rings and
seals, or hold bearings and washers in place during assembly. Do not use grease.
 Extreme care should be taken to avoid damage to O-rings, seals and gaskets when assembling.
 After overhaul, refill the transmission with new ATF.
 When the A/T drain plug is removed, only some of t he ATF is drained. Old ATF will remain in torque con-
verter and ATF cooling system.
Always follow the procedures under “Changing A/T Fluid” in the AT section when changing A/T fluid. Refer to
AT- 11 , "
Changing A/T Fluid", AT- 11 , "Checking A/T Fluid".
Service Notice or PrecautionINFOID:0000000001327125
ATF COOLER SERVICE
If ATF contains frictional material (clutches, bands, etc. ), or if an A/T is repaired, overhauled, or replaced,
inspect and clean the A/T fluid cooler mounted in the radiat or or replace the radiator. Flush cooler lines using
cleaning solvent and compressed air after repair. For A/T fluid cooler cleaning procedure, refer to AT-13, "
A/T
Fluid Cooler Cleaning". For radiator replacement, refer to CO-13 (for VQ35DE), CO-40 (for VK45DE).
OBD-II SELF-DIAGNOSIS
 A/T self-diagnosis is performed by the TCM in comb ination with the ECM. The results can be read through
the blinking pattern of the A/T CHECK indicator or the malfunction indicator lamp (MIL). Refer to the table on
AT-84, "
CONSULT-III Function (TRANSMISSION)" for the indicator used to display each self-diagnostic
result.
 The self-diagnostic results indicated by the MIL ar e automatically stored in both the ECM and TCM memo-
ries.
Always perform the procedure on AT-38, "
OBD-II Diagnostic Trouble Code (DTC)" to complete the
repair and avoid unnecessary blinking of the MIL.
For details of OBD-II, refer to EC-54
(for VQ35DE) or EC-632 (for VK45DE).
 Certain systems and components, especially those re lated to OBD, may use the new style slide-lock-
ing type harness connector. For descrip tion and how to disconnect, refer to PG-68
.
SEF217U
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AT-50
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
A/T Fluid Condition Check
Inspect the A/T fluid condition.
STALL TEST
Stall Test Procedure
1. Inspect the amount of engine oil. Replenish the engine oil if necessary.
2. Drive for about 10 minutes to warm up the vehicle so that the A/T fluid temperature is 50 to 80 °C (122 to 176 °F). Check the
amount of ATF. Replenish if necessary.
3. Securely engage the parking brake so that the tires do not turn.
4. Start engine, apply foot brake, and place selector lever in “D” position.
5. While holding down the foot brake, gradually press down the accelerator pedal.
6. Quickly read off the stall speed, then quickly remove your foot from the accelerator pedal.
CAUTION:
Do not hold down the accelerator pedal for more than 5 sec-
onds during this test.
7. Move the selector lever to the “N” position.
8. Cool down the ATF. CAUTION:
Run the engine at idle for at least 1 minute.
Fluid condition Conceivable Cause Required Operation
Varnished (viscous
varnish state) Clutch, brake
scorchedReplace the ATF and check the A/T
main unit and the vehicle for mal-
functions (wire harnesses, cooler
pipes, etc.)
Milky white or
cloudy Water in the fluidReplace the ATF and check for plac-
es where water is getting in.
Large amount of
metal powder mixed
in Unusual wear of
sliding parts within
A/T
Replace the ATF and check for im-
proper operation of the A/T.
SAT638A
SAT647B
SCIA7463E
Stall speed
VQ35DE engine: 2,650 - 2,950 rpm
VK45DE engine: 2,260 - 2,560 rpm
SAT514G
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TROUBLE DIAGNOSISAT-53
< SERVICE INFORMATION >
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Road TestINFOID:0000000001425855
DESCRIPTION
 The road test checks overall performance of the A/T and analyzes possible malfunction causes.
 The road test is carried out in the following three stages.
1. Check before engine is started.
2. Check at idle.
3. Cruise test
 Inspect all the items Part 1 to Part 3.
 Before beginning the road test, che ck the procedure and inspection items.
 Test all inspection items until the symptom is uncov ered. Diagnose NG items when all road tests are com-
plete.
CHECK BEFORE ENGINE IS STARTED
1.CHECK A/T CHECK INDICATOR LAMP
1. Park vehicle on level surface.
2. Move selector lever to “P” position.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
Does A/T CHECK indicator lamp light up for about 2 seconds?
YES - 1>> With CONSULT-III
1. Perform self-diagnostics and record all NG items on the “Diagnostic Worksheet Chart”.
2. Go to “CHECK AT IDLE”.
YES - 2>> Without CONSULT-III
1. Perform self-diagnostics and record all NG it ems on the “Diagnostic Worksheet Chart”. Refer
to AT-91, "
Diagnosis Procedure without CONSULT-III".
2. Go to “CHECK AT IDLE”.
NO >> Stop the road test and go to AT-170, "
A/T Check Indicator Lamp Does Not Come On".
CHECK AT IDLE
1.CHECK STARTING THE ENGINE
1. Park vehicle on level surface.
2. Move selector lever to “P” or “N” position.
3. Turn ignition switch OFF.
4. Start engine.
Does the engine start?
YES >> GO TO 2.
NO >> Stop the road test and go to AT-170, "
Engine Cannot Be Started in "P" or "N" Position".
Stall speedLine pressure does
not rise higher than
the line pressure for
idle.
Possible causes include a sensor malfunction or malfunction in the pressure adjustment function.
For example
 Accelerator pedal position signal malfunction
 TCM breakdown
 Line pressure solenoid malfunction (shorting, sticking in ON state)
 Pressure regulator valve or plug sticking
 Pilot valve sticking or pilot filter clogged
The pressure rises,
but does not enter
the standard posi-
tion. Possible causes include malfunctions in the pressure supply system and malfunction in the pres-
sure adjustment function.
For example
 Accelerator pedal position signal malfunction
 Line pressure solenoid malfunction (sticking, filter clog)
 Pressure regulator valve or plug sticking
 Pilot valve sticking or pilot filter clogged
Only low for a spe-
cific position Possible causes include an oil pressure leak in a passage or device related to the position after
the pressure is distributed by the manual valve.
Judgement Possible cause
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AT-54
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
2.CHECK STARTING THE ENGINE
1. Turn ignition switch ON. (Do not start engine.)
2. Move selector lever to “D”, “M” or “R” position.
3. Start engine.
Does the engine start in either position?
YES >> Stop the road test and go to AT-170, "Engine Cannot Be Started in "P" or "N" Position".
NO >> GO TO 3.
3.CHECK “P” POSITION FUNCTIONS
1. Move selector lever to “P” position.
2. Turn ignition switch OFF.
3. Disengage the parking brake.
4. Push the vehicle forward or backward.
5. Engage the parking brake.
When you push the vehicle with disengaging the parking brake, does it move?
YES >> Enter a check mark at AT-171, "In "P" Position, Vehicle Moves When Pushed" on the “Diagnostic
Worksheet Chart”, then continue the road test.
NO >> GO TO 4.
4.CHECK “N” POSITION FUNCTIONS
1. Start engine.
2. Move selector lever to “N” position.
3. Disengage the parking brake.
Does vehicle move forward or backward?
YES >> Enter a check mark at AT-172, "In "N" Position, Vehicle Moves" on the “Diagnostic Worksheet
Chart”, then continue the road test.
NO >> GO TO 5.
5.CHECK SHIFT SHOCK
1. Engage the brake.
2. Move selector lever to “D” position.
When the transmission is shifted from
“N” to “D”, is there an excessive shock?
YES >> Enter a check mark at AT-173, "Large Shock ("N" to "D" Position)"on the “Diagnostic Worksheet
Chart”, then continue the road test.
NO >> GO TO 6.
6.CHECK “R” POSITION FUNCTIONS
1. Engage the brake.
2. Move selector lever to “R” position.
3. Disengage the brake for 4 to 5 seconds.
Does the vehicle creep backward?
YES >> GO TO 7.
NO >> Enter a check mark at AT-175, "
Vehicle Does Not Creep Backward in "R" Position" on the “Diag-
nostic Worksheet Chart”, then continue the road test.
7.CHECK “D” POSITION FUNCTIONS
Inspect whether the vehicle creep forward when the A/T is put into the “D” position.
Does the vehicle creep forward in the
“D” position?
YES >> Go to AT-53, "Road Test".
NO >> Enter a check mark at AT-178, "
Vehicle Does Not Creep Forward in "D" Position"on the “Diagnos-
tic Worksheet Chart”, then continue the road test.
CRUISE TEST - PART 1
1.CHECK STARTING OUT FROM D1
1. Drive the vehicle for about 10 minutes to warm up the engine oil and ATF. Appropriate temperature for the ATF: 50 to 80 °C (122 to 176 °F)
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AT-128
< SERVICE INFORMATION >
DTC P0745 LINE PRESSURE SOLENOID VALVE
DTC P0745 LINE PRESSURE SOLENOID VALVE
DescriptionINFOID:0000000001327221
The line pressure solenoid valve regulates the oil pump discharge pressure to suit the driving condition in
response to a signal sent from the TCM.
CONSULT-III Reference Value in Data Monitor ModeINFOID:0000000001327222
On Board Diagnosis LogicINFOID:0000000001327223
Diagnostic trouble code “P0745 L/PRESS SOL/CIRC” with CONSULT-III or 4th judgement flicker without
CONSULT-III is detected under the following conditions.
 When TCM detects an improper voltage drop when it tries to operate the solenoid valve.
 When TCM detects as irregular by comparing target value with monitor value.
Possible CauseINFOID:0000000001327224
 Harness or connectors (Solenoid circuit is open or shorted.)
 Line pressure solenoid valve
DTC Confirmation ProcedureINFOID:0000000001327225
NOTE:
If “DTC Confirmation Procedure” has been previously performed, alw ays turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, perform the following proc edure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch ON.
2. Select “MAIN SIGNALS” in “DATA MONITO R” mode for “TRANSMISSION” with CONSULT-III.
3. Touch “START”.
4. Engine start and wait at least 5 seconds.
5. If DTC is detected, go to “ AT-128, "
Diagnosis Procedure".
WITH GST
Follow the procedure “WITH CONSULT-III”.
Diagnosis ProcedureINFOID:0000000001327226
1.CHECK INPUT SIGNAL
With CONSULT-III
1. Turn ignition switch ON.
2. Select “MAIN SIGNALS” in “DATA MONITO R” mode for “TRANSMISSION” with CONSULT-III.
3. Start engine.
4. Read out the value of “LINE PRES SOL” while driving.
OK or NG
OK >> GO TO 4.
NG >> GO TO 2.
2.CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to AT-160
.
Item name Condition Display value (Approx.)
LINE PRES SOL During driving 0.2 - 0.6 A
Item name Condition Display value (Approx.)
LINE PRES SOL During driving 0.2 - 0.6 A
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TROUBLE DIAGNOSIS FOR SYMPTOMSAT-171
< SERVICE INFORMATION >
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Check the A/T position. Refer to AT-207, "Checking of A/T Position".
OK or NG
OK >> GO TO 3.
NG >> Adjust A/T position. Refer to AT-207, "
Adjustment of A/T
Position".
3.CHECK STARTING SYSTEM
Check starting system. Refer to SC-8
.
OK or NG
OK >> INSPECTION END
NG >> Repair or replace damaged parts.
In "P" Position, Vehicle Moves When PushedINFOID:0000000001327363
SYMPTOM:
Even though the selector lever is set in the “P” position, the parking mechanism is not actuated,
allowing the vehicle to be moved when it is pushed.
DIAGNOSTIC PROCEDURE
1.CHECK A/T POSITION
Check the A/T position. Refer to AT-207, "
Checking of A/T Position".
OK or NG
OK >> GO TO 2.
NG >> Adjust A/T position. Refer to AT-207, "
Adjustment of A/T
Position".
2.CHECK PARKING COMPONENTS
Check parking components. Refer to AT-226, "
Parking Component (2WD Models Only)" (2WD models) or AT-
267, "Disassembly" (AWD models).
OK or NG
OK >> GO TO 3.
NG >> Repair or replace damaged parts.
3.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sensor 2".
2. Check A/T fluid condition. Refer to AT-49, "
Inspections Before
Trouble Diagnosis".
OK or NG
OK >> INSPECTION END
NG >> Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to AT-59, "
Symp-
tom Chart" (Symptom No.65).
SCIA2119E
SCIA2119E
SCIA5199E
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AT-172
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
In "N" Position, Vehicle Moves
INFOID:0000000001327364
SYMPTOM:
Vehicle moves forward or backwar d when selecting “N” position.
DIAGNOSTIC PROCEDURE
1.CHECK PNP SWITCH CIRCUIT
With CONSULT-III
 Perform self-diagnosis.
Without CONSULT-III
 Perform self-diagnosis. Refer to AT-91, "
Diagnosis Procedure without CONSULT-III".
Do the self-diagnostic results indicate PNP switch?
YES >> Check the malfunctioning system. Refer to AT-102.
NO >> GO TO 2.
2.CHECK A/T POSITION
Check the A/T position. Refer to AT-207, "
Checking of A/T Position".
OK or NG
OK >> GO TO 3.
NG >> Adjust A/T position. Refer to AT-207, "
Adjustment of A/T
Position".
3.CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 11 , "
Checking A/T Fluid".
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sensor 2".
2. Check A/T fluid condition. Refer to AT-49, "
Inspections Before
Trouble Diagnosis".
OK or NG
OK >> GO TO 5.
NG >> Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to AT-59, "
Symp-
tom Chart" (Symptom No.67).
5.CHECK SYMPTOM
Check again. Refer to “CHECK AT IDLE”.
SCIA2119E
SAT638A
SCIA5199E
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AT-174
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
Check the A/T fluid level. Refer to AT- 11 , "Checking A/T Fluid".
OK or NG
OK >> GO TO 5.
NG >> Refill ATF.
5.CHECK LINE PRESSURE
Check line pressure at idle with selector lever in “D” position. Refer
to AT-49, "
Inspections Before Trouble Diagnosis".
OK or NG
OK >> GO TO 8.
NG-1 >> Line pressure high: GO TO 6.
NG-2 >> Line pressure low: GO TO 7.
6.DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sen-
sor 2".
2. Disassemble A/T. Refer to AT-267
.
3. Check the following.
- Oil pump assembly. Refer to AT-285, "
Oil Pump".
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.
7.DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sen-
sor 2".
2. Disassemble A/T. Refer to AT-267
.
3. Check the following.
- Oil pump assembly. Refer to AT-285, "
Oil Pump".
- Power train system. Refer to AT-267
.
- Transmission case. Refer to AT-267
.
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.
8.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sensor 2".
SAT638A
SAT494G
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TROUBLE DIAGNOSIS FOR SYMPTOMSAT-177
< SERVICE INFORMATION >
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7.DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sen-
sor 2".
2. Disassemble A/T. Refer to AT-267
.
3. Check the following.
- Oil pump assembly. Refer to AT-285, "
Oil Pump".
OK or NG
OK >> GO TO 9.
NG >> Repair or replace damaged parts.
8.DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sen-
sor 2".
2. Disassemble A/T. Refer to AT-267
.
3. Check the following.
- Oil pump assembly. Refer to AT-285, "
Oil Pump".
- Power train system. Refer to AT-267
.
- Transmission case. Refer to AT-267
.
OK or NG
OK >> GO TO 9.
NG >> Repair or replace damaged parts.
9.CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-215, "
Control Valve with TCM and A/T Fluid Temperature Sensor 2".
2. Check A/T fluid condition. Refer to AT-49, "
Inspections Before
Trouble Diagnosis".
OK or NG
OK >> GO TO 10.
NG >> GO TO 13.
10.DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are dam aged, repair or replace damaged parts. Refer to AT-59,
"Symptom Chart" (Symptom No.43).
OK or NG
OK >> GO TO 11.
NG >> Repair or replace damaged parts.
11 .CHECK SYMPTOM
Check again. Refer to “CHECK AT IDLE”.
OK or NG
OK >> INSPECTION END
NG >> GO TO 12.
12.CHECK TCM
1. Check TCM input/output signals. Refer to AT-83, "
TCM Input/Output Signal Reference Value".
2. If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.
OK or NG
OK >> INSPECTION END
NG >> Repair or replace damaged parts.
SCIA5199E
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