2006 INFINITI M35 diagram

EC-720
[VQ35DE]
SNOW MODE SWITCH
Revision: 2006 January2006 M35/M45
5. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E108, M15
IPDM E/R harness connector E7
10A fuse
Harness for open or short between snow mode switch and fuse.
>> Repair open circuit or short to ground or short to power in harness or connectors.
6. CHECK SNOW MODE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect “unified meter and A/C amp.” harness connector.
3. Check harness continuity between snow mode switch terminal 4 and “unified meter and A/C amp.” termi-
nal 23. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 9.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
7. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten two ground screws on the body.
Refer to EC-172, "
Ground Inspection" .
OK or NG
OK >> GO TO 8.
NG >> Repair or replace ground connections.
8. CHECK SNOW MODE INDICATOR LAMP GROUND CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between snow mode switch terminal 2 and ground.
Refer to Wiring Diagram.
2. Also check harness for short to power.
OK or NG
OK >> GO TO 9.
NG >> Repair open circuit or short to power in harness or connectors. Continuity should exist.
1. Body ground M70 2. Body ground M16
PBIB2782E
Continuity should exist.

EC-722
[VQ35DE]
MIL AND DATA LINK CONNECTOR
Revision: 2006 January2006 M35/M45
MIL AND DATA LINK CONNECTORPFP:24814
Wiring DiagramNBS0058V
TBWT1004E

EC-740
[VK45DE]
ENGINE CONTROL SYSTEM
Revision: 2006 January2006 M35/M45
ENGINE CONTROL SYSTEMPFP:23710
System DiagramNBS0059I
PBIB2733E

BASIC SERVICE PROCEDURE
EC-803
[VK45DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: 2006 January2006 M35/M45
21. CHECK AIR FUEL RATIO (A/F) SENSOR 1 HARNESS
1. Turn ignition switch OFF and disconnect battery ground cable.
2. Disconnect ECM harness connector.
3. Disconnect A/F sensor 1 harness connector.
4. Check harness continuity between the following terminals.
Refer to EC-972, "
Wiring Diagram" .
5. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 22.
NG >> 1. Repair open circuit or short to ground or short to power in harness or connectors.
2. GO TO 4.
22. PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
1. Reconnect ECM harness connector.
2. Perform EC-806, "
Accelerator Pedal Released Position Learning" .
>> GO TO 23.
23. PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
Perform EC-806, "
Throttle Valve Closed Position Learning" .
>> GO TO 24.
24. PERFORM IDLE AIR VOLUME LEARNING
Refer to EC-807, "
Idle Air Volume Learning" .
Is Idle Air Volume Learning carried out successfully?
Ye s o r N o
Yes (With CONSULT-II)>>GO TO 25.
Yes (Without CONSULT-II)>>GO TO 26.
No >> 1. Follow the instruction of Idle Air Volume Learning.
2. GO TO 4.
A/F sensor 1 terminal ECM terminal
Bank1116
275
42
535
656
Bank 2176
277
424
557
658
Continuity should exist.

TROUBLE DIAGNOSIS
EC-833
[VK45DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: 2006 January2006 M35/M45
Vacuum Hose DrawingNBS005AJ
Refer to EC-740, "System Diagram" for Vacuum Control System.
: Vehicle front : To EVAP canister purge volume control solenoid valve
1. Intake manifold collector 2. Vacuum tank 3. VIAS control solenoid valve
4. Power valve actuator
NOTE:
Do not use soapy water or any type of solvent while installing vacuum hoses or purge hoses.
PBIB2732E

EC-834
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
Circuit DiagramNBS005AK
TBWT1008E

POWER SUPPLY AND GROUND CIRCUIT
EC-879
[VK45DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: 2006 January2006 M35/M45
POWER SUPPLY AND GROUND CIRCUITPFP:24110
Wiring DiagramNBS005AX
TBWT1010E

POWER SUPPLY AND GROUND CIRCUIT
EC-881
[VK45DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: 2006 January2006 M35/M45
3. DETECT MALFUNCTIONING PART
Check the following.
Fuse block (J/B) connector M4
15A fuse
Harness for open or short between ECM and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
4. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten two ground screws on the body.
Refer to EC-885, "
Ground Inspection" .
OK or NG
OK >> GO TO 5.
NG >> Repair or replace ground connections.
5. CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT-I
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminals 1, 115, 116 and ground.
Refer to Wiring Diagram.
3. Also check harness for short to power.
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors F102, M72
Harness for open or short between ECM and ground
>> Repair open circuit or short to power in harness or connectors.
1. Body ground M70 2. Body ground M16
PBIB2782E
Continuity should exist.