Shift INFINITI M35 2006 Factory Manual PDF

AT-186
A/T INDICATOR CIRCUIT
Revision: 2006 January2006 M35/M45
A/T INDICATOR CIRCUITPFP:24810
DescriptionNCS001PV
TCM sends the switch signals to unified meter and A/C amp. By CAN communication line. Then manual mode
switch position is indicated on the A/T indicator.
CONSULT-II Reference ValueNCS001PW
Diagnostic ProcedureNCS001PX
1. CHECK INPUT SIGNALS
With CONSULT-II
1. Start engine.
2. Select “MAIN SIGNALS” in “DATA MONITOR” mode for “A/T”
with CONSULT-II and read out the value of “GEAR”.
3. Drive vehicle in the manual mode, and confirm that the actual
gear position and the meter's indication of the position mutually
coincide when the selector lever is shifted to the “+ (up)” or “-
(down)” side (1st
5th gear).
OK or NG
OK >>INSPECTION END
NG >> Check the following.
A/T INDICATOR SYMPTOM CHART
Item name Condition Display value
GEAR During driving 1, 2, 3, 4, 5
PCIA0065E
Items Possible location of malfunction
The actual gear position does not change, or shifting into the
manual mode is not possible (no gear shifting in the manual mode
possible).
The A/T indicator is not indicated.Manual mode switch
Refer to AT- 1 6 7 , "
DTC P1815 MANUAL MODE SWITCH" .
A/T main system (Fail-safe function actuated)
Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" .
The actual gear position changes, but the A/T indicator is not indi-
cated.Perform the self-diagnosis function.
Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" .
The actual gear position and the indication on the A/T indicator do
not coincide.Perform the self-diagnosis function.
Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" .
Only a specific position or positions is/are not indicated on the A/T
indicator.Check the unified meter and A/C amp.
Refer to DI-5, "
COMBINATION METERS" .

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-193
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Revision: 2006 January2006 M35/M45
Large Shock (“N” to “D” Position)NCS001Q3
SYMPTOM:
A noticeable shock occurs when the selector lever is shifted from “N” to “D” position.
DIAGNOSTIC PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)" .
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 4 ,
"Judgement Self-diagnosis Code" .
NO >> GO TO 2.
2. ENGINE IDLE SPEED
Check engine idle speed. Refer to EC-82, "
Idle Speed and Ignition Timing Check" (for VQ35DE engine), EC-
793, "Idle Speed and Ignition Timing Check" (for VK45DE engine).
OK or NG
OK >> GO TO 3.
NG >> Adjust engine idle speed. Refer to EC-82, "
Idle Speed and Ignition Timing Check" (for VQ35DE
engine), EC-793, "
Idle Speed and Ignition Timing Check" (for VK45DE engine).
3. CHECK CONTROL LINKAGE
Check control linkage.
Refer to AT-228, "Checking of A/T Position" .
OK or NG
OK >> GO TO 4.
NG >> Adjust control linkage. Refer to AT-227, "
Adjustment of A/T Position" .
4. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 3 , "
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-55, "
LINE PRESSURE TEST" .
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- 2 3 6 , "
Control Valve With TCM and A/T Fluid Temperature Sen-
sor 2" .
2. Disassemble A/T. Refer to AT-298, "
DISASSEMBLY" .
3. Check the following.
–Oil pump assembly. Refer to AT-318, "Oil Pump" .
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-201
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Revision: 2006 January2006 M35/M45
12. DETECT MALFUNCTIONING ITEM
Check malfunction items. If any items are damaged, repair or replace damaged parts. Refer to AT- 6 4 ,
"Symptom Chart" (Symptom No.23).
OK or NG
OK >> GO TO 10.
NG >> Repair or replace damaged parts.
A/T Does Not Shift: D1 D2NCS001Q7
SYMPTOM:
The vehicle does not shift-up from the D1 to D2 gear at the specified speed.
DIAGNOSTIC PROCEDURE
1. CONFIRM THE SYMPTOM
Check if vehicle creep forward in “D” position and vehicle can be started from D
1.
OK or NG
OK >> GO TO 2.
NG >> Refer to AT- 1 9 7 , "
Vehicle Does Not Creep Forward in “D” Position" , AT- 1 9 9 , "Vehicle Cannot Be
Started from D1" .
2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)"
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 4 ,
"Judgement Self-diagnosis Code" .
NO >> GO TO 3.
3. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 3 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4. CHECK LINE PRESSURE
Check line pressure at the engine stall point. Refer to AT- 5 5 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 7.
NG - 1 >> Line pressure high: GO TO 5.
NG - 2 >> Line pressure low: GO TO 6.
5. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT- 2 3 6 , "
Control Valve With TCM and A/T Fluid Temperature Sen-
sor 2" .
2. Disassemble A/T. Refer to AT-298, "
DISASSEMBLY" .
3. Check the following.
–Oil pump assembly. Refer to AT-318, "Oil Pump" .
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-203
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Revision: 2006 January2006 M35/M45
A/T Does Not Shift: D2 D3NCS001Q8
SYMPTOM:
The vehicle does not shift-up from D2 to D3 gear at the specified speed.
DIAGNOSTIC PROCEDURE
1. CONFIRM THE SYMPTOM
Check if vehicle creep forward in “D” position and vehicle can be started from D
1.
OK or NG
OK >> GO TO 2.
NG >> Refer to AT- 1 9 7 , "
Vehicle Does Not Creep Forward in “D” Position" , AT- 1 9 9 , "Vehicle Cannot Be
Started from D1" .
2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)"
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 4 ,
"Judgement Self-diagnosis Code" .
NO >> GO TO 3.
3. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 3 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4. CHECK LINE PRESSURE
Check line pressure at the engine stall point. Refer to AT- 5 5 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 7.
NG - 1 >> Line pressure high: GO TO 5.
NG - 2 >> Line pressure low: GO TO 6.
5. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT- 2 3 6 , "
Control Valve With TCM and A/T Fluid Temperature Sen-
sor 2" .
2. Disassemble A/T. Refer to AT-298, "
DISASSEMBLY" .
3. Check the following.
–Oil pump assembly. Refer to AT-318, "Oil Pump" .
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-205
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Revision: 2006 January2006 M35/M45
A/T Does Not Shift: D3 D4NCS001Q9
SYMPTOM:
The vehicle does not shift-up from the D3 to D4 gear at the specified speed.
DIAGNOSTIC PROCEDURE
1. CONFIRM THE SYMPTOM
Check if vehicle creep forward in “D” position and vehicle can be started from D
1.
OK or NG
OK >> GO TO 2.
NG >> Refer to AT- 1 9 7 , "
Vehicle Does Not Creep Forward in “D” Position" , AT- 1 9 9 , "Vehicle Cannot Be
Started from D1" .
2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)"
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 4 ,
"Judgement Self-diagnosis Code" .
NO >> GO TO 3.
3. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 3 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4. CHECK LINE PRESSURE
Check line pressure at the engine stall point. Refer to AT- 5 5 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 7.
NG - 1 >> Line pressure high: GO TO 5.
NG - 2 >> Line pressure low: GO TO 6.
5. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT- 2 3 6 , "
Control Valve With TCM and A/T Fluid Temperature Sen-
sor 2" .
2. Disassemble A/T. Refer to AT-298, "
DISASSEMBLY" .
3. Check the following.
–Oil pump assembly. Refer to AT-318, "Oil Pump" .
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-207
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Revision: 2006 January2006 M35/M45
A/T Does Not Shift: D4 D5NCS001QA
SYMPTOM:
The vehicle does not shift-up from the D4 to D5 gear at the specified speed.
The vehicle does not shift-up from the D4 to D5 gear unless A/T is warmed up.
DIAGNOSTIC PROCEDURE
1. CONFIRM THE SYMPTOM
Check if vehicle creep forward in “D” position and vehicle can be started from D
1.
OK or NG
OK >> GO TO 2.
NG >> Refer to AT- 1 9 7 , "
Vehicle Does Not Creep Forward in “D” Position" , AT- 1 9 9 , "Vehicle Cannot Be
Started from D1" .
2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)"
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 4 ,
"Judgement Self-diagnosis Code" .
NO >> GO TO 3.
3. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 3 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 4.
NG >> Refill ATF.
4. CHECK LINE PRESSURE
Check line pressure at the engine stall point. Refer to AT- 5 5 , "
LINE PRESSURE TEST" .
OK or NG
OK >> GO TO 7.
NG - 1 >> Line pressure high: GO TO 5.
NG - 2 >> Line pressure low: GO TO 6.
5. DETECT MALFUNCTIONING ITEM
1. Check control valve with TCM. Refer to AT- 2 3 6 , "
Control Valve With TCM and A/T Fluid Temperature Sen-
sor 2" .
2. Disassemble A/T. Refer to AT-298, "
DISASSEMBLY" .
3. Check the following.
–Oil pump assembly. Refer to AT-318, "Oil Pump" .
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.

AT-212
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2006 January2006 M35/M45
Lock-Up Is Not ReleasedNCS001QD
SYMPTOM:
The lock-up condition cannot be cancelled even after releasing the accelerator pedal.
DIAGNOSTIC PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)" .
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 4 ,
"Judgement Self-diagnosis Code" .
NO >> GO TO 2.
2. CHECK SYMPTOM
Check again. Refer to AT- 5 9 , "
Cruise Test - Part 1" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 3.
3. CHECK TCM
1. Check TCM input/output signals. Refer to AT- 8 9 , "
TCM Input/Output Signal Reference Values" .
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.
Engine Speed Does Not Return to IdleNCS001QE
SYMPTOM:
When a shift-down is performed, the engine speed does not smoothly return to the idling speed.
DIAGNOSTIC PROCEDURE
1. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT-13, "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 2.
NG >> Refill ATF.
2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)"
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 4 ,
"Judgement Self-diagnosis Code" .
NO >> GO TO 3.

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-213
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Revision: 2006 January2006 M35/M45
3. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT- 2 3 6 , "
Control Valve With TCM and A/T Fluid Temperature Sensor 2" .
2. Check A/T fluid condition. Refer to AT-53, "
A/T Fluid Condition Check" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 7.
4. DETECT MALFUNCTIONING ITEM
Check malfunction items. If any items are damaged, repair or replace damaged parts. Refer to AT- 6 4 ,
"Symptom Chart" (Symptom No.72).
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
5. CHECK SYMPTOM
Check again. Refer to AT- 5 9 , "
Cruise Test - Part 1" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 6.
6. CHECK TCM
1. Check TCM input/output signals. Refer to AT- 8 9 , "
TCM Input/Output Signal Reference Values" .
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.
7. DETECT MALFUNCTIONING ITEM
Check malfunction items. If any items are damaged, repair or replace damaged parts. Refer to AT- 6 4 ,
"Symptom Chart" (Symptom No.72).
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
Cannot Be Changed to Manual ModeNCS001QF
SYMPTOM:
Does not change to manual mode when manual shift gate is used.
DIAGNOSTIC PROCEDURE
1. CHECK MANUAL MODE SWITCH
Check manual mode switch. Refer to AT-167, "
DTC P1815 MANUAL MODE SWITCH" .
OK or NG
OK >> GO TO 2.
NG >> Repair or replace damaged parts.

AT-214
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2006 January2006 M35/M45
2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)"
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 4 ,
"Judgement Self-diagnosis Code" .
NO >>INSPECTION END
A/T Does Not Shift: 5th Gear 4th GearNCS001QG
SYMPTOM:
When shifted from M5 to M4 position in manual mode, does not downshift from 5th to 4th gear.
DIAGNOSTIC PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)" .
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 4 ,
"Judgement Self-diagnosis Code" .
NO >> GO TO 2.
2. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT-13, "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 3.
NG >> Refill ATF.
3. CHECK CONTROL LINKAGE
Check control linkage.
Refer to AT-228, "Checking of A/T Position" .
OK or NG
OK >> GO TO 4.
NG >> Adjust control linkage. Refer to AT-227, "
Adjustment of A/T Position" .
4. CHECK MANUAL MODE SWITCH
Check manual mode switch. Refer to AT-167, "
DTC P1815 MANUAL MODE SWITCH" .
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
5. CHECK A/T FLUID CONDITION
1. Remove oil pan. Refer to AT-236, "
Control Valve With TCM and A/T Fluid Temperature Sensor 2" .
2. Check A/T fluid condition. Refer to AT- 5 3 , "
A/T Fluid Condition Check" .
OK or NG
OK >> GO TO 6.
NG >> GO TO 9.

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-215
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Revision: 2006 January2006 M35/M45
6. DETECT MALFUNCTIONING ITEM
Check malfunction items. If any items are damaged, repair or replace damaged parts. Refer to AT- 6 4 ,
"Symptom Chart" (Symptom No.47).
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
7. CHECK SYMPTOM
Check again. Refer to AT- 6 2 , "
Cruise Test - Part 3" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 8.
8. CHECK TCM
1. Check TCM input/output signals. Refer to AT- 8 9 , "
TCM Input/Output Signal Reference Values" .
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.
9. DETECT MALFUNCTIONING ITEM
Check malfunction items. If any items are damaged, repair or replace damaged parts. Refer to AT- 6 4 ,
"Symptom Chart" (Symptom No.47).
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
A/T Does Not Shift: 4th Gear 3rd GearNCS001QH
SYMPTOM:
When shifted from M4 to M3 position in manual mode, does not downshift from 4th to 3rd gear.
DIAGNOSTIC PROCEDURE
1. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 3 , "TCM SELF-DIAG-
NOSTIC PROCEDURE (NO TOOLS)" .
Is any malfunction detected by self-diagnostic results?
YES >> Check malfunctioning system. Refer to AT- 9 2 , "SELF-DIAGNOSTIC RESULT MODE" , AT- 1 0 4 ,
"Judgement Self-diagnosis Code" .
NO >> GO TO 2.
2. CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to AT- 1 3 , "
Checking A/T Fluid" .
OK or NG
OK >> GO TO 3.
NG >> Refill ATF.