2007 INFINITI M35 control

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-47
[ICC]
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Revision: 2007 April2007 M35/M45
13. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch connector.
3. Turn ignition switch ON.
4. Check voltage between stop lamp switch harness connector and
ground.
OK or NG
OK >> GO TO 14.
NG >> 1. Repair or replace harness or fuse.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
14. CHECK HARNESS BETWEEN STOP LAMP SWITCH AND ABS ACTUATOR AND ELECTRIC UNIT
(CONTROL UNIT)
1. Turn ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) connector.
3. Check continuity between stop lamp switch harness connector
(A) and ABS actuator and electric unit (control unit) harness
connector (B).
4. Check continuity between stop lamp switch harness connector
(A) and ground.
OK or NG
OK >> 1. Perform “ABS” self-diagnosis. Refer to BRC-23, "CONSULT-II Functions (ABS)" .
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NG >> 1. Repair or replace harness between stop lamp switch and ABS actuator and electric unit (control
unit).
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
Terminals
Voltage
(Approx.) (+)
(–)
Stop lamp switch
connectorTe r m i n a l
E124 3 Ground Battery voltage
PKIC0833E
AB
Continuity
Connector Terminal Connector Terminal
E124 4 E30 30 Yes
A
GroundContinuity
Connector Terminal
E124 4 No
PKIC0834E

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
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19. PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT-II
1. Perform “ABS” self-diagnosis. Refer to BRC-23, "
CONSULT-II Functions (ABS)" .
2. Check if malfunction is indicated.
Is malfunction indicated?
YES >> 1. Repair or replace applicable item.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
20. CHECK STOP LAMP SWITCH INSTALLATION AND ADJUSTMENT
Check stop lamp switch for proper installation, and adjust the switch if necessary. Refer to BR-6, "
BRAKE
PEDAL" .
OK or NG
OK >> GO TO 21.
NG >> 1. Adjust stop lamp switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
21. CHECK STOP LAMP SWITCH
Check stop lamp switch. Refer to ACS-69, "
ICC Brake Switch and Stop Lamp Switch" .
OK or NG
OK >> GO TO 22.
NG >> 1. Replace stop lamp switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
22. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch connector.
3. Turn ignition switch ON.
4. Check voltage between stop lamp switch harness connector and
ground.
OK or NG
OK >> GO TO 23.
NG >> 1. Repair or replace harness or fuse.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
Terminals
Voltage
(Approx.) (+)
(–)
Stop lamp switch
connectorTe r m i n a l
E124 3 Ground Battery voltage
PKIC0833E

ACS-56
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2007 April2007 M35/M45
23. CHECK HARNESS BETWEEN STOP LAMP SWITCH AND ABS ACTUATOR AND ELECTRIC UNIT
(CONTROL UNIT)
1. Turn ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) connector.
3. Check continuity between stop lamp switch harness connector
(A) and ABS actuator and electric unit (control unit) harness
connector (B).
4. Check continuity between stop lamp switch harness connector
(A) and ground.
OK or NG
OK >> 1. Perform “ABS” self-diagnosis. Refer to BRC-23, "CONSULT-II Functions (ABS)" .
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NG >> 1. Repair or replace harness between stop lamp switch and ABS actuator and electric unit (control
unit).
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
DTC 14 ECM CIRCUITNKS004D8
1. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if “CAN COMM CIRCUIT [U1000]” (DTC 100) other than “ECM CIRCUIT [C1A14]” (DTC 14) is indi-
cated in self-diagnosis item in the display.
Is it indicated?
YES >> 1. CAN communication inspection. Refer to ACS-61, "DTC 100 CAN COMM CIRCUIT" .
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NO >> GO TO 2.
2. PERFORM ECM SELF-DIAGNOSIS
With CONSULT-II
1. Perform “ENGINE” self-diagnosis. Refer to EC-123, "
CONSULT-II Function (ENGINE)" (for VQ35DE) or
EC-826, "
CONSULT-II Function (ENGINE)" (for VK45DE).
2. Check if malfunction is indicated.
Is malfunction indicated?
YES >> 1. Repair or replace applicable item.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
AB
Continuity
Connector Terminal Connector Terminal
E124 4 E30 30 Yes
A
GroundContinuity
Connector Terminal
E124 4 No
PKIC0834E

ACS-60
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2007 April2007 M35/M45
DTC 26 ECD MODE MALFNKS004DF
1. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if “CAN COMM CIRCUIT [U1000]” (DTC 100) other than “ECD MODE MALF [C1A26]” (DTC 26) is
indicated in self-diagnosis item in the display.
Is it indicated?
YES >> 1. CAN communication inspection. Refer to ACS-61, "DTC 100 CAN COMM CIRCUIT" .
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NO >> GO TO 2.
2. PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT-II
1. Perform “ABS” self-diagnosis. Refer to BRC-23, "
CONSULT-II Functions (ABS)" .
2. Check if malfunction is indicated.
Is malfunction indicated?
YES >> 1. Repair or replace applicable item.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
DTC 27 ECD PWR SUPLY CIRNKS004DG
1. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if “CAN COMM CIRCUIT [U1000]” (DTC 100) other than “ECD PWR SUPLY CIR [C1A27]” (DTC
27) is indicated in self-diagnosis item in the display.
Is it indicated?
YES >> 1. CAN communication inspection. Refer to ACS-61, "DTC 100 CAN COMM CIRCUIT" .
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NO >> GO TO 2.
2. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY CIRCUIT
With CONSULT-II
Check ABS actuator and electric unit (control unit) power supply circuit. Refer to BRC-37, "
ABS Actuator and
Electric Unit (Control Unit) Power Supply and Ground Circuit" .
OK or NG
OK >> 1. Perform “ABS” self-diagnosis. Refer to BRC-23, "CONSULT-II Functions (ABS)" .
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NG >> 1. Repair or replace applicable item.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
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DTC 100 CAN COMM CIRCUITNKS004DH
1. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
With CONSULT-II
1. Perform self-diagnosis.
2. Print self-diagnostic result.
>> After printing self-diagnostic result, go to “CAN system”. Refer to LAN-42, "
Precautions When
Using CONSULT-II" .
DTC 110 CONTROL UNIT (CAN)NKS004DI
1. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
With CONSULT-II
1. Perform self-diagnosis.
2. Print self-diagnostic result.
3. Erase DTC and perform ICC running test. Then perform self-diagnosis of ICC system again.
4. Check if “CONTROL UNIT (CAN) [U1010]” (DTC 110) is indicated in self-diagnosis item in the display.
Is malfunction indicated?
YES >> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> INSPECTION END

ACS-62
[ICC]
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2007 April2007 M35/M45
TROUBLE DIAGNOSIS FOR SYMPTOMSPFP:00007
Symptom ChartNKS004DJ
Symptoms Reference page
OperationMAIN switch does not switch ON.Symptom 1
ACS-63
MAIN switch does not switch OFF.Symptom 1
ACS-63
Cruise does not function for setting (powering functions).Symptom 2
ACS-64
CANCEL switch does not function.Symptom 3
ACS-65
Resume does not function.Symptom 3
ACS-65
Set speed does not increase.Symptom 3
ACS-65
Set distance to the vehicle ahead cannot be changed.Symptom 3
ACS-65
ICC is not cancelled when the A/T selector lever is in other than
“D” and “M”.Symptom 4
ACS-65
Display/ChimeDot matrix LCD does not appear.Check combination meter. Refer to DI-18, "Trouble Diagnosis" .
Chime does not function.Symptom 5
ACS-66
Control Driving force is hunting.Symptom 6
ACS-67
Function to detect
the vehicle aheadSystem frequently cannot detect the vehicle ahead.Symptom 7
ACS-67
Distance to detect the vehicle ahead is short.Symptom 7
ACS-67
System misidentifies a vehicle even though there is no vehicle
ahead.

Refer to ACS-15, "LASER BEAM AIMING
ADJUSTMENT" .

Refer to ACS-12, "ICC System Running
Te s t" .
System misidentifies a vehicle in the next lane.

Refer to ACS-15, "LASER BEAM AIMING
ADJUSTMENT" .

Refer to ACS-12, "ICC System Running
Te s t" .
System does not detect a vehicle at all.Symptom 8
ACS-68

AT-1
AUTOMATIC TRANSMISSION
C TRANSMISSION/TRANSAXLE
CONTENTS
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SECTION AT
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Revision: 2007 April2007 M35/M45
AUTOMATIC TRANSMISSION
INDEX FOR DTC ........................................................ 5
Alphabetical Index .................................................... 5
DTC No. Index ......................................................... 6
PRECAUTIONS .......................................................... 7
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 7
Precautions for On Board Diagnostic (OBD) System
of A/T and Engine .................................................... 7
Precautions .............................................................. 8
Service Notice or Precautions .................................. 9
PREPARATION ......................................................... 10
Special Service Tools ............................................. 10
Commercial Service Tools ....................................... 11
A/T FLUID ................................................................. 12
Changing A/T Fluid ................................................ 12
Checking A/T Fluid ................................................. 13
A/T Fluid Cooler Cleaning ...................................... 14
A/T CONTROL SYSTEM .......................................... 17
Cross-Sectional View (VQ35DE Models for 2WD) ... 17
Cross-Sectional View (VK45DE Models for 2WD) ... 18
Cross-Sectional View (AWD Models) ..................... 19
Shift Mechanism ..................................................... 20
TCM Function ......................................................... 31
CAN Communication .............................................. 32
Input/Output Signal of TCM .................................... 32
Line Pressure Control ............................................ 33
Shift Control ........................................................... 34
Lock-up Control ...................................................... 37
Engine Brake Control ............................................. 38
Control Valve .......................................................... 38
ON BOARD DIAGNOSTIC (OBD) SYSTEM ............ 40
Introduction ............................................................ 40
OBD-II Function for A/T System ............................. 40
One or Two Trip Detection Logic of OBD-II ............ 40
OBD-II Diagnostic Trouble Code (DTC) ................. 40
Malfunction Indicator Lamp (MIL) ........................... 43
TROUBLE DIAGNOSIS ............................................ 44
DTC Inspection Priority Chart ................................ 44
Fail-safe ................................................................. 44How to Perform Trouble Diagnosis for Quick and
Accurate Repair ...................................................... 46
A/T Electrical Parts Location .................................. 51
Circuit Diagram ....................................................... 52
Inspections before Trouble Diagnosis .................... 53
Check before Engine Is Started .............................. 57
Check at Idle ........................................................... 57
Cruise Test - Part 1 ................................................. 59
Cruise Test - Part 2 ................................................. 61
Cruise Test - Part 3 ................................................. 61
Vehicle Speed at Which Gear Shifting Occurs ....... 63
Vehicle Speed at Which Lock-Up Occurs/Releases ... 63
Symptom Chart ....................................................... 64
TCM Input/Output Signal Reference Values ........... 89
CONSULT-II Function (A/T) .................................... 90
Diagnostic Procedure without CONSULT-II ..........103
DTC U1000 CAN COMMUNICATION LINE ............105
Description ............................................................105
On Board Diagnosis Logic ....................................105
Possible Cause .....................................................105
DTC Confirmation Procedure ...............................105
Wiring Diagram — AT — CAN ..............................106
Diagnostic Procedure ...........................................107
DTC P0615 START SIGNAL CIRCUIT ...................108
Description ............................................................108
CONSULT-II Reference Value ..............................108
On Board Diagnosis Logic ....................................108
Possible Cause .....................................................108
DTC Confirmation Procedure ...............................108
Wiring Diagram — AT — STSIG ..........................109
Diagnostic Procedure ...........................................110
DTC P0700 TCM .....................................................112
Description ............................................................112
On Board Diagnosis Logic ....................................112
Possible Cause .....................................................112
DTC Confirmation Procedure ...............................112
Diagnostic Procedure ...........................................112
DTC P0705 PARK/NEUTRAL POSITION SWITCH .113
Description ............................................................113
CONSULT-II Reference Value ..............................113

AT-4Revision: 2007 April2007 M35/M45 A/T Does Not Shift: 4th Gear → 3rd Gear ............215
A/T Does Not Shift: 3rd Gear → 2nd Gear ...........217
A/T Does Not Shift: 2nd Gear → 1st Gear ............218
Vehicle Does Not Decelerate by Engine Brake ....220
SHIFT CONTROL SYSTEM ....................................222
Control Device Removal and Installation ..............222
Control Rod Removal and Installation ..................226
Adjustment of A/T Position ...................................227
Checking of A/T Position ......................................228
A/T SHIFT LOCK SYSTEM .....................................229
Description ............................................................229
Shift Lock System Electrical Parts Location .........229
Wiring Diagram — AT — SHIFT ...........................230
Diagnostic Procedure ...........................................232
ON-VEHICLE SERVICE ..........................................236
Control Valve With TCM and A/T Fluid Temperature
Sensor 2 ...............................................................236
Parking Components (2WD Models Only) ............250
Rear Oil Seal (VQ35DE Models Only) ..................262
Revolution Sensor Components (2WD Models
Only) .....................................................................263
AIR BREATHER HOSE ...........................................272
Removal and Installation ......................................272
TRANSMISSION ASSEMBLY ................................274
Removal and Installation (2WD Models) ..............274
Removal and Installation (AWD Models) ..............278
OVERHAUL .............................................................281
Components .........................................................281Oil Channel ...........................................................295
Locations of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings ..........................298
DISASSEMBLY .......................................................301
Disassembly ..........................................................301
REPAIR FOR COMPONENT PARTS ......................322
Oil Pump ...............................................................322
Front Sun Gear, 3rd One-Way Clutch ...................325
Front Carrier, Input Clutch, Rear Internal Gear .....327
Mid Sun Gear, Rear Sun Gear, High and Low
Reverse Clutch Hub ..............................................333
High and Low Reverse Clutch ..............................339
Direct Clutch .........................................................341
ASSEMBLY .............................................................344
Assembly (1) .........................................................344
Adjustment ............................................................360
Assembly (2) .........................................................362
SERVICE DATA AND SPECIFICATIONS (SDS) ....370
General Specifications ..........................................370
Vehicle Speed at Which Gear Shifting Occurs ......370
Vehicle Speed at Which Lock-Up Occurs/Releases .371
Stall Speed ............................................................371
Line Pressure ........................................................371
A/T Fluid Temperature Sensor ..............................371
Turbine Revolution Sensor ....................................372
Vehicle Speed Sensor A/T (Revolution Sensor) ...372
Reverse Brake ......................................................372
Total End Play .......................................................372