2007 INFINITI M35 Factory Service Manual

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INFINITI M35 2007 Factory Service Manual ACS-64
[ICC]
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2007 April2007 M35/M45
Symptom 2: ICC System Cannot Be Set (MAIN Switch Turns ON/OFF)NKS004DL
The ICC system cannot be set in the following cases.

ACS-64
[ICC]
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2007 April2007 M35/M45
Symptom 2: ICC System Cannot Be Set (MAIN Switch Turns ON/OFF)NKS004DL
The ICC system cannot be set in the following cases.
When the vehicle speed is not in range of approx. 25 MPH (40 km/h) to 90 MPH (144 km/h).
When the A/T selector lever is in “N”.
When A/T mode switch is at the snow mode position.
While the brake is in operation.
When wiper switch is at LOW/HI position.
1. CHECK CAUSE OF AUTOMATIC CANCELLATION
With CONSULT-II
With “CAUSE OF AUTO-CANCEL” in “WORK SUPPORT” at “ICC”, check if any cause of cancellation is
found.
Is any cause found?
YES >> Cancel with appropriate cause, and go to specified diagnosis.
“OPE SW VOLT CIRC”: Refer to ACS-48, "DTC 6 OPERATION SW CIRC" .
“VHCL SPD UNMATCH”: Refer to ACS-43, "DTC 3 VHCL SPEED SE CIRC" .
“IGN LOW VOLT”: Refer to ACS-42, "DTC 1 POWER SUPPLY CIR, DTC 2 POWER SUPPLY
CIR 2" .
“ECM CIRCUIT”: Refer to ACS-56, "DTC 14 ECM CIRCUIT" .
NO >> GO TO 2.
2. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
With CONSULT-II
Perform self-diagnosis to check for malfunctioning items.
Is malfunction indicated?
YES >> 1. Repair or replace applicable item. Refer to ACS-40, "Diagnostic Trouble Code (DTC) Chart" .
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> GO TO 3.
3. CHECK SWITCHES AND VEHICLE SPEED SIGNAL
With CONSULT-II
With “ICC” “DATA MONITOR”, check if switches and vehicle speed signal operate normally. Refer to ACS-31,
"DATA MONITOR" .
VHCL SPEED SE
D RANGE SW
BRAKE SW
SET/COAST SW
OK or NG
OK >> 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.
NG >> Check items which do not function normally.
VHCL SPEED SE. Refer to ACS-43, "DTC 3 VHCL SPEED SE CIRC" .
D RANGE SW. Refer to ACS-65, "Symptom 4: ICC System Is Not Cancelled When the A/T
Selector Lever Is In Other Than “D” and “M”" .
BRAKE SW. Refer to ACS-44, "DTC 5 BRAKE SW/STOP L SW" .
SET/COAST SW. Refer to ACS-48, "DTC 6 OPERATION SW CIRC" .

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INFINITI M35 2007 Factory Service Manual TROUBLE DIAGNOSIS FOR SYMPTOMS
ACS-65
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Revision: 2007 April2007 M35/M45
Symptom 3: ICC System Cannot Be Operated by CANCEL Switch, RESUME/
ACCELERATE Switch or DISTANCE

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INFINITI M35 2007 Factory Service Manual ACS-66
[ICC]
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2007 April2007 M35/M45
3. CHECK D RANGE SWITCH
With CONSULT-II
With “A/T” “DATA MONITOR”, check if “SLCT LVR POSI” operates normally.

ACS-66
[ICC]
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2007 April2007 M35/M45
3. CHECK D RANGE SWITCH
With CONSULT-II
With “A/T” “DATA MONITOR”, check if “SLCT LVR POSI” operates normally.
OK or NG
OK >> 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.
NG >> 1. Perform “A/T” self-diagnosis. Refer to AT- 9 0 , "
CONSULT-II Function (A/T)" .
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
Symptom 5: Chime Does Not SoundNKS004DO
The chime may not sound occasionally in the following cases even if the distance from the vehicle ahead is
short:
When the speed difference from that of the vehicle ahead is small (both vehicles driving at similar speed).
When the vehicle ahead drives at faster speed (the actual distance is increasing).
When depressing the accelerator pedal.
Chime does not sound when the vehicle is not driving.
Chime does not sound when the system does not detect any vehicle ahead. (Diagnose the conditions
under which the system is detecting the vehicle ahead and when the system is malfunctioning. If there is
any malfunction in detecting the vehicle ahead, check the system following the ACS-67, "
Symptom 7: ICC
System Frequently Cannot Detect the Vehicle Ahead/ Detection Zone Is Short" ).
1. CHECK ICC WARNING CHIME
With CONSULT-II
With “ICC” “ACTIVE TEST”, check if “ICC BUZZER” operates normally.
OK or NG
OK >> 1. Determine preceding vehicle detection status when malfunction occurred. If chime should have
sounded: after replacing ICC sensor integrated unit and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test, and then perform self-diagnosis of ICC sys-
tem again.
NG >> GO TO 2.
2. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
With CONSULT-II
1. Perform self-diagnosis.
2. Check if “DTC 100 CAN COMM CIRCUIT” is indicated.
Is it indicated?
YES >> CAN communication inspection. Refer to ACS-61, "DTC 100 CAN COMM CIRCUIT" .
NO >> GO TO 3.
3. CHECK UNIFIED METER AND A/C AMP.
With CONSULT-II
Perform “METRE A/C AMP” self-diagnosis. Refer to DI-31, "
CONSULT-II Function (METER A/C AMP)" .
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 >> GO TO 4.

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INFINITI M35 2007 Factory Service Manual TROUBLE DIAGNOSIS FOR SYMPTOMS
ACS-67
[ICC]
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Revision: 2007 April2007 M35/M45
4. CHECK CHIME OPERATION
With CONSULT-II
1. Select “BUZZER” on “BCM”.
2. With “BUZZER�

TROUBLE DIAGNOSIS FOR SYMPTOMS
ACS-67
[ICC]
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ACS
Revision: 2007 April2007 M35/M45
4. CHECK CHIME OPERATION
With CONSULT-II
1. Select “BUZZER” on “BCM”.
2. With “BUZZER” “ACTIVE TEST”, check if “IGN KEY WARN ALM” and “LIGHT WARN ALM” operate nor-
mally.
Does chime sound?
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 >> 1. Replace combination meter.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
Symptom 6: Driving Force Is HuntingNKS004DP
1. PERFORM ECM SELF-DIAGNOSIS
With CONSULT-II
Perform “ENGINE” self-diagnosis. Refer to EC-123, "
CONSULT-II Function (ENGINE)" (for VQ35DE) or EC-
826, "CONSULT-II Function (ENGINE)" (for VK45DE).
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 >> Refer to ACS-67, "
Symptom 7: ICC System Frequently Cannot Detect the Vehicle Ahead/ Detec-
tion Zone Is Short" .
Symptom 7: ICC System Frequently Cannot Detect the Vehicle Ahead/ Detection
Zone Is Short
NKS004DQ
The detection function may become unstable in the following cases.
When the reflector of the vehicle ahead is deficient/ not clean enough to reflect the radar.
When driving a road with extremely sharp corners.
When the sensor cannot detect the reflector of the vehicle ahead as the vehicle ahead is passing a hill or
passing the peak.
1. VISUAL CHECK 1
Check ICC sensor integrated unit body window for contamination and foreign materials.
Is it found?
YES >> 1. If any, remove them.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> GO TO 2.
2. VISUAL CHECK 2
Check ICC sensor integrated unit body window for cracks and scratches.
Is it found?
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 >> GO TO 3.

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INFINITI M35 2007 Factory Service Manual ACS-68
[ICC]
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2007 April2007 M35/M45
3. ADJUST LASER BEAM AIMING
1. Adjust laser beam aiming. Refer to ACS-15, "
LASER BEAM AIMING ADJUSTMENT" .
2. Perform ICC

Page 78 of 4647

INFINITI M35 2007 Factory Service Manual ELECTRICAL COMPONENT INSPECTION
ACS-69
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Revision: 2007 April2007 M35/M45
ELECTRICAL COMPONENT INSPECTIONPFP:00000
ICC Steering SwitchNKS004DS
1. Disconnect ICC steering

Page 79 of 4647

INFINITI M35 2007 Factory Service Manual ACS-70
[ICC]
REMOVAL AND INSTALLATION
Revision: 2007 April2007 M35/M45
REMOVAL AND INSTALLATIONPFP:00000
ICC Sensor Integrated UnitNKS004DV
REMOVAL
1. Remove the front bumper. Refer to EI-11, "FRONT B

Page 80 of 4647

INFINITI M35 2007 Factory Service Manual AT-1
AUTOMATIC TRANSMISSION
C TRANSMISSION/TRANSAXLE
CONTENTS
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SECTION AT
A
B
AT
Revision: 2007 April2007 M35/M45
AUTOMATIC TRANSMISSION
INDEX FOR DTC ............................

AT-1
AUTOMATIC TRANSMISSION
C TRANSMISSION/TRANSAXLE
CONTENTS
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SECTION AT
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AT
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

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