2008 INFINITI FX35 check engine

AT-46
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
4❏
Perform all road tests and enter checks in required inspection items. AT- 4 9
4-1.Check before engine is started
AT- 5 3
❏ The A/T CHECK Indicator Lamp does come on. AT- 1 7 0.
❏ Perform self-diagnostics. Enter checks for detected items. AT- 8 4
, AT- 9 1.
❏ DTC U1000 CAN COMMUNICATION LINE AT- 9 4
.
❏ DTC P0615 START SIGNAL CIRCUIT AT- 9 7
.
❏ DTC P0700 TCM AT- 1 0 1
❏ DTC P0705 PARK/NEUTRAL POSITION SWITCH AT- 1 0 2.
❏ DTC P0717 TURBINE REVOLUTION SENSOR AT- 1 0 6
.
❏ DTC P0720 VEHICLE SPEED SENSO R A/T (REVOLUTION SENSOR) AT- 1 0 8
.
❏ DTC P0725 ENGINE SPEED SIGNAL AT- 11 2
.
❏ DTC P0731 A/T 1ST GEAR FUNCTION AT- 11 4
.
❏ DTC P0732 A/T 2ND GEAR FUNCTION AT- 11 6
.
❏ DTC P0733 A/T 3RD GEAR FUNCTION AT- 11 8
.
❏ DTC P0734 A/T 4TH GEAR FUNCTION AT- 1 2 0
.
❏ DTC P0735 A/T 5TH GEAR FUNCTION AT- 1 2 2
.
❏ DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE AT- 1 2 4
.
❏ DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP) AT- 1 2 6
.
❏ DTC P0745 LINE PRESSURE SOLONOID VALVE AT- 1 2 8
.
❏ DTC P1705 THROTTLE POSITION SENSOR AT- 1 3 0
.
❏ DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT AT- 1 3 2
.
❏ DTC P1721 VEHICLE SPEED SENSOR MTR AT- 1 3 7
.
❏ DTC P1730 A/T INTERLOCK AT- 1 3 9
.
❏ DTC P1731 A/T 1ST ENGINE BRAKING AT- 1 4 1
.
❏ DTC P1752 INPUT CLUTCH SOLENOID VALVE AT- 1 4 3
.
❏ DTC P1757 FRONT BRAKE SOLENOID VALVE AT- 1 4 5
.
❏ DTC P1762 DIRECT CLUTCH SOLENOID VALVE AT- 1 4 7
.
❏ DTC P1767 HIGH AND LOW REVERSE CLUTCH SOLENOID VALVE AT- 1 4 9
.
❏ DTC P1772 LOW COAST BRAKE SOLENOID VALVE AT- 1 5 1
.
❏ DTC P1774 LOW COAST BRAKE SOLENOID VALVE FUNCTION AT- 1 5 3
.
❏ DTC P1815 MANUAL MODE SWITCH AT- 1 5 5
.
4-2. Check at Idle
AT- 5 3
❏ AT- 1 7 0 , "Engine Cannot Be Started in "P" or "N" Position".
❏ AT- 1 7 1 , "
In "P" Position, Vehicle Moves When Pushed"
❏ AT- 1 7 2 , "In "N" Position, Vehicle Moves".
❏ AT- 1 7 3 , "
Large Shock ("N" to "D" Position)".
❏ AT- 1 7 5 , "
Vehicle Does Not Creep Backward in "R" Position".
❏ AT- 1 7 8 , "
Vehicle Does Not Creep Forward in "D" Position".
4-3. Cruise Test
AT- 5 3
Part 1
❏ AT- 1 8 0 , "
Vehicle Cannot Be Started from D1".
❏ AT- 1 8 2 , "
A/T Does Not Shift: D1→ D2".
❏ AT- 1 8 4 , "
A/T Does Not Shift: D2→ D3".
❏ AT- 1 8 6 , "
A/T Does Not Shift: D3→ D4".
❏ AT- 1 8 8 , "
A/T Does Not Shift: D4→ D5".
❏ AT- 1 9 0 , "
A/T Does Not Lock-up"
❏ AT- 1 9 2 , "A/T Does Not Hold Lock-up Condition".
❏ AT- 1 9 4 , "
Lock-up Is Not Released".
❏ AT- 1 9 4 , "
Engine Speed Does Not Return to Idle".
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TROUBLE DIAGNOSISAT-47
< SERVICE INFORMATION >
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44-3. Part 2
AT- 5 3
❏ AT- 1 8 0 , "Vehicle Cannot Be Started from D1".
❏ AT- 1 8 2 , "
A/T Does Not Shift: D1→ D2".
❏ AT- 1 8 4 , "
A/T Does Not Shift: D2→ D3".
❏ AT- 1 8 6 , "
A/T Does Not Shift: D3→ D4".
Part 3 AT- 5 3
❏ AT- 1 9 5 , "Cannot Be Changed to Manual Mode".
❏ AT- 1 9 6 , "
A/T Does Not Shift: 5th Gear → 4th Gear".
❏ AT- 1 9 7 , "
A/T Does Not Shift: 4th Gear → 3rd Gear".
❏ AT- 1 9 9 , "
A/T Does Not Shift: 3rd Gear → 2nd Gear".
❏ AT- 2 0 1 , "
A/T Does Not Shift: 2nd Gear → 1st Gear".
❏ AT- 2 0 2 , "
Vehicle Does Not Decelerate by Engine Brake".
❏ Perform self-diagnostics. Enter checks for detected items. AT- 8 4
, AT- 9 1.
❏ DTC U1000 CAN CO MMUNICATION LINE AT- 9 4
.
❏ DTC P0615 START SIGNAL CIRCUIT AT- 9 7
.
❏ DTC P0700 TCM AT- 1 0 1
❏ DTC P0705 PARK/NEUTRAL POSITION SWITCH AT- 1 0 2.
❏ DTC P0717 TURBINE REVOLUTION SENSOR AT- 1 0 6
.
❏ DTC P0720 VEHICLE SPEED SENS OR A/T (REVOLUTION SENSOR) AT- 1 0 8
.
❏ DTC P0725 ENGINE SPEED SIGNAL AT- 11 2
.
❏ DTC P0731 A/T 1ST GEAR FUNCTION AT- 11 4
.
❏ DTC P0732 A/T 2ND GEAR FUNCTION AT- 11 6
.
❏ DTC P0733 A/T 3RD GEAR FUNCTION AT- 11 8
.
❏ DTC P0734 A/T 4TH GEAR FUNCTION AT- 1 2 0
.
❏ DTC P0735 A/T 5TH GEAR FUNCTION AT- 1 2 2
.
❏ DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE AT- 1 2 4
.
❏ DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP) AT-126
.
❏ DTC P0745 LINE PRESSURE SOLONOID VALVE AT- 1 2 8
.
❏ DTC P1705 THROTTLE POSITION SENSOR AT- 1 3 0
.
❏ DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT AT- 1 3 2
.
❏ DTC P1721 VEHICLE SPEED SENSOR MTR AT- 1 3 7
.
❏ DTC P1730 A/T INTERLOCK AT- 1 3 9
.
❏ DTC P1731 A/T 1ST ENGINE BRAKING AT- 1 4 1
.
❏ DTC P1752 INPUT CLUTCH SOLENOID VALVE AT- 1 4 3
.
❏ DTC P1757 FRONT BRAKE SOLENOID VALVE AT- 1 4 5
.
❏ DTC P1762 DIRECT CLUTCH SOLENOID VALVE AT- 1 4 7
.
❏ DTC P1767 HIGH AND LOW REVERSE CLUTCH SOLENOID VALVE AT- 1 4 9
.
❏ DTC P1772 LOW COAST BRAKE SOLENOID VALVE AT- 1 5 1
.
❏ DTC P1774 LOW COAST BRAKE SOLENOID VALVE FUNCTION AT- 1 5 3
.
❏ DTC P1815 MANUAL MODE SWITCH AT-155
.
5 ❏ Inspect each system for items found to be NG in the self-diagnostics and repair or replace the malfunctioning parts.
6 ❏ Perform all road tests and enter the checks again for the required items. AT- 4 9
7❏
For any remaining NG items, perform the “diagnostics procedure” and repair or replace the malfunctioning
parts. See the chart for diagnostics by symptoms. (This chart also contains other symptoms and inspection pro-
cedures.) AT- 5 9
8
❏ Erase the results of the self-diagnostics from the TCM and the ECM. AT- 8 4,
AT-
91
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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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TROUBLE DIAGNOSISAT-55
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2. Park the vehicle on a level surface.
3. Move selector lever to “P” position.
4. Start the engine.
5. Move selector lever to “D” position.
6. Press the accelerator pedal about half-way down to accelerate the vehicle. With CONSULT-III
Read the gear positions. Refer to AT-84, "
CONSULT-III Function (TRANSMISSION)".
Starts from D
1?
YES >> GO TO 2.
NO >> Enter a check mark at AT-180, "
Vehicle Cannot Be Started from D1" on the “Diagnostic Worksheet
Chart”, then continue the road test.
2.CHECK SHIFT-UP D1 → D2
Press down the accelerator pedal about half-way and inspect if the vehicle shifts up (D1 → D2) at the appropri-
ate speed. Refer to AT-58, "
Vehicle Speed at Which Gear Shifting Occurs".
With CONSULT-III
Read the gear position, throttle degree of opening, and vehicle speed. Refer to AT-84, "
CONSULT-III Function
(TRANSMISSION)".
Does the A/T shift-up D
1 → D2 at the correct speed?
YES >> GO TO 3.
NO >> Enter a check mark at AT-182, "
A/T Does Not Shift: D1→ D2" on the “Diagnostic Worksheet
Chart”, then continue the road test.
3.CHECK SHIFT-UP D2 → D3
Press down the accelerator pedal about half-way and inspect if the vehicle shifts up (D2 → D3) at the appropri-
ate speed. Refer to AT-58, "
Vehicle Speed at Which Gear Shifting Occurs".
With CONSULT-III
Read the gear position, throttle degree of opening, and vehicle speed. Refer to AT-84, "
CONSULT-III Function
(TRANSMISSION)".
Does the A/T shift-up D
2 → D3 at the correct speed?
YES >> GO TO 4.
NO >> Enter a check mark at AT-184, "
A/T Does Not Shift: D2→ D3" on the “Diagnostic Worksheet
Chart”, then continue the road test.
4.CHECK SHIFT-UP D3 → D4
Press down the accelerator pedal about half-way and inspect if the vehicle shifts up (D3 → D4) at the appropri-
ate speed. Refer to AT-58, "
Vehicle Speed at Which Gear Shifting Occurs".
With CONSULT-III
Read the gear position, throttle degree of opening, and vehicle speed. Refer to AT-84, "
CONSULT-III Function
(TRANSMISSION)".
Does the A/T shift-up D
3 → D4 at the correct speed?
YES >> GO TO 5.
NO >> Enter a check mark at AT-186, "
A/T Does Not Shift: D3→ D4" on the “Diagnostic Worksheet
Chart”, then continue the road test.
5.CHECK SHIFT-UP D4 → D5
Press down the accelerator pedal about half-way and inspect if the vehicle shifts up (D4 → D5) at the appropri-
ate speed. Refer to AT-58, "
Vehicle Speed at Which Gear Shifting Occurs".
With CONSULT-III
Read the gear position, throttle degree of opening, and vehicle speed. Refer to AT-84, "
CONSULT-III Function
(TRANSMISSION)".
Does the A/T shift-up D
4 → D5 at the correct speed?
YES >> GO TO 6.
NO >> Enter a check mark at AT-188, "
A/T Does Not Shift: D4→ D5" on the “Diagnostic Worksheet
Chart”, then continue the road test.
6.CHECK LOCK-UP
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AT-56
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
When releasing accelerator pedal from D5, check lock-up from D5 to L/U. Refer to AT-58, "Vehicle Speed at
Which Lock-up Occurs/Releases".
With CONSULT-III
Select “TCC SOLENOID” with the “DATA MONI TOR” mode for “TRANSMISSION”. Refer to AT-84, "
CON-
SULT-III Function (TRANSMISSION)".
Does it lock-up?
YES >> GO TO 7.
NO >> Enter a check mark at AT-190, "
A/T Does Not Lock-up" on the “Diagnostic Worksheet Chart”, then
continue the road test.
7.CHECK LOCK-UP HOLD
Check hold lock-up. With CONSULT-III
Select “TCC SOLENOID” with the “DATA MONI TOR” mode for “TRANSMISSION”. Refer to AT-84, "
CON-
SULT-III Function (TRANSMISSION)".
Does it maintain lock-up status?
YES >> GO TO 8.
NO >> Enter a check mark at AT-192, "
A/T Does Not Hold Lock-up Condition" on the “Diagnostic Work-
sheet Chart”, then continue the road test.
8.CHECK LOCK-UP RELEASE
Check lock-up cancellation by depressing brake pedal lightly to decelerate. With CONSULT-III
Select “TCC SOLENOID” with the “DATA MONI TOR” mode for “TRANSMISSION”. Refer to AT-84, "
CON-
SULT-III Function (TRANSMISSION)".
Does lock-up cancel?
YES >> GO TO 9.
NO >> Enter a check mark at AT-194, "
Lock-up Is Not Released" on the “Diagnostic Worksheet Chart”,
then continue the road test.
9.CHECK SHIFT-DOWN D5 → D4
Decelerate by pressing lightly on the brake pedal.
With CONSULT-III
Read the gear position and engine speed. Refer to AT-84, "
CONSULT-III Function (TRANSMISSION)".
When the A/T shift-down D
5 → D4, does the engine speed drop smoothly back to idle?
YES >> 1. Stop the vehicle. 2. Go to AT-53, "
Road Test".
NO >> Enter a check mark at AT-194, "
Engine Speed Does Not Return to Idle" on the “Diagnostic Work-
sheet Chart”, then continue the road test. Go to AT-53, "
Road Test".
CRUISE TEST - PART 2
1.CHECK STARTING FROM D1
1. Move selector lever into “D” position.
2. Accelerate at half throttle.
With CONSULT-III
Read the gear position. Refer to AT-84, "
CONSULT-III Function (TRANSMISSION)".
Does it start from D
1?
YES >> GO TO 2.
NO >> Enter a check mark at AT-180, "
Vehicle Cannot Be Started from D1" on the “Diagnostic Worksheet
Chart”, then continue the road test.
2.CHECK SHIFT-UP D1 → D2
Press the accelerator pedal down all the way and check whether or not the A/T shifts up (D1 → D2) at the cor-
rect speed. Refer to AT-58, "
Vehicle Speed at Which Gear Shifting Occurs".
With CONSULT-III
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TROUBLE DIAGNOSISAT-57
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Read the gear position, throttle pos ition and vehicle speed. Refer to AT-84, "CONSULT-III Function (TRANS-
MISSION)".
Does the A/T shift-up D
1 → D2 at the correct speed?
YES >> GO TO 3.
NO >> Enter a check mark at AT-182, "
A/T Does Not Shift: D1→ D2" on the “Diagnostic Worksheet
Chart”, then continue the road test.
3.CHECK SHIFT-UP D2 → D3
Press the accelerator pedal down all the way and check whether or not the A/T shifts up (D2 → D3) at the cor-
rect speed. Refer to AT-58, "
Vehicle Speed at Which Gear Shifting Occurs".
With CONSULT-III
Read the gear position, throttle pos ition and vehicle speed. Refer to AT-84, "
CONSULT-III Function (TRANS-
MISSION)".
Does the A/T shift-up D
2 → D3 at the correct speed?
YES >> GO TO 4.
NO >> Enter a check mark at AT-184, "
A/T Does Not Shift: D2→ D3" on the “Diagnostic Worksheet
Chart”, then continue the road test.
4.CHECK SHIFT-UP D3 → D4 AND ENGINE BRAKE
When the A/T changes speed D
3 → D4, return the accelerator pedal.
With CONSULT-III
Read the gear position. Refer to AT-84, "
CONSULT-III Function (TRANSMISSION)".
Does the A/T shift-up D
3 → D4 and apply the engine brake?
YES >> 1. Stop the vehicle. 2. Go to AT-53, "
Road Test".
NO >> Enter a check mark at AT-186, "
A/T Does Not Shift: D3→ D4" on the “Diagnostic Worksheet
Chart”, then continue the road test. Go to AT-53, "
Road Test".
CRUISE TEST - PART 3
1.MANUAL MODE FUNCTION
Move to manual mode from “D” position.
Does it switch to manual mode?
YES >> GO TO 2.
NO >> Continue road test and add check mark to AT-195, "
Cannot Be Changed to Manual Mode" on the
“Diagnostic Worksheet Chart”.
2.CHECK SHIFT-DOWN
During manual mode driving, is downshift from M5 → M4 → M3 → M2 → M1 performed?
With CONSULT-III
Read the gear position. Refer to AT-84, "
CONSULT-III Function (TRANSMISSION)".
Is downshifting correctly performed?
YES >> GO TO 3.
NO >> Enter a check mark at “Vehicle Does No t Shift” at the corresponding position (5th → 4th, 4th →
3rd, 3rd → 2nd, 2nd → 1st) on the “Diagnostic Worksheet Chart”, then continue the road test.
3.CHECK ENGINE BRAKE
Check engine brake.
Does engine braking effectively reduce speed in M1 position?
YES - 1>> With CONSULT-III
1. Stop the vehicle.
2. Perform self-diagnostics.
YES - 2>> Without CONSULT-III
1. Stop the vehicle.
2. Perform self-diagnostics. Refer to AT-91, "
Diagnosis Procedure without CONSULT-III".
NO >> Enter a check mark at AT-202, "
Vehicle Does Not Decelerate by Engine Brake" on the “Diagnostic
Worksheet Chart”, then continue trouble diagnosis.
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