Infiniti G35 (V35) Sedan. Manual — part 401
DLN-38
< SYMPTOM DIAGNOSIS >
[TRANSFER: ETX13B]
HEAVY TIGHT-CORNER BRAKING SYMPTOM OCCURS
HEAVY TIGHT-CORNER BRAKING SYMPTOM OCCURS
Description
INFOID:0000000000957267
• Heavy tight-corner braking symptom occurs when the vehicle is driven and the steering wheel is turned fully
to either side after the engine is started.
NOTE:
Light tight-corner braking symptom may occur depending on driving conditions. This is not malfunction.
Diagnosis Procedure
INFOID:0000000000957268
1.
ECM SELF-DIAGNOSIS
With CONSULT-III
Perform ECM self-diagnosis.
Is any error system detected?
YES
>> Check the error system.
NO
>> GO TO 2.
2.
SELF-DIAGNOSIS STARTS
With CONSULT-III
Perform AWD control unit self-diagnosis.
Is DTC “U1000” detected?
YES
>> Check the error system.
NO
>> GO TO 3.
3.
AWD SOLENOID INSPECTION
Perform AWD solenoid trouble diagnosis. Refer to
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace the specific malfunctioning part.
4.
CHECK ELECTRIC CONTROLLED COUPLING
1.
Turn the ignition switch OFF.
2.
Set the transmission to neutral. Release the parking brake.
3.
Lift up the vehicle.
4.
Rotate the rear propeller shaft.
5.
Hold the front propeller shaft lightly.
Does the front propeller shaft rotate?
YES
>> Replace electric controlled coupling for mechanical malfunction (clutch sticking etc.). Refer to
.
NO
>> Check each harness connector pin terminal for disconnection.
VEHICLE DOES NOT ENTER AWD MODE
DLN-39
< SYMPTOM DIAGNOSIS >
[TRANSFER: ETX13B]
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VEHICLE DOES NOT ENTER AWD MODE
Description
INFOID:0000000000957269
• Vehicle does not enter AWD mode even though AWD warning lamp turned to OFF.
Diagnosis Procedure
INFOID:0000000000957270
1.
CHECK AWD WARNING LAMP
Turn the ignition switch ON.
Does AWD warning lamp turn ON?
YES
>> GO TO 2.
NO
>> Go to
.
2.
SELF-DIAGNOSIS STARTS
With CONSULT-III
Perform AWD control unit self-diagnosis.
Is DTC “U1000” detected?
YES
>> Check the error system.
NO
>> GO TO 3.
3.
CHECK AWD SOLENOID
Perform AWD solenoid trouble diagnosis. Refer to
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace the specific malfunctioning part.
4.
CRUISE TEST
Drive the vehicle for a period of time.
Does any symptom occur?
YES
>> Replace electric controlled coupling for mechanical malfunction (mechanical engagement of
clutch is not possible). Refer to
.
NO
>> Check each harness connector pin terminal for disconnection.
DLN-40
< SYMPTOM DIAGNOSIS >
[TRANSFER: ETX13B]
AWD WARNING LAMP BLINKS QUICKLY
AWD WARNING LAMP BLINKS QUICKLY
Description
INFOID:0000000000957271
• While Driving, AWD warning lamp blinks 2 times in 1 second and it turns OFF after 1 minute while driving.
- This symptom protects drivetrain parts when a heavy load is applied to the electric controlled coupling and
multiple disc clutch temperature increases. Also, optional distribution of torque sometimes becomes rigid
before lamp blinks quickly. Both cases are not malfunction.
- When this symptom occurs, stop vehicle and allow it to idle for some times. Blinking will stop and system will
be restored.
AWD WARNING LAMP BLINKS SLOWLY
DLN-41
< SYMPTOM DIAGNOSIS >
[TRANSFER: ETX13B]
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AWD WARNING LAMP BLINKS SLOWLY
Description
INFOID:0000000000957272
• AWD warning lamp blinks at approximately 2 seconds intervals while driving.
Diagnosis Procedure
INFOID:0000000000957273
1.
CHECK TIRE
• Check the following.
- Tire pressure
- Wear condition
- Longitudinal tire size (There is no difference between longitudinal tires.)
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Drive at vehicle speed of 20 km/h (12 MPH) or more for 5 seconds or more after repairing or
replacing damaged parts. (Initialize improper size tire information.)
2.
CHECK INPUT SIGNAL OF TIRE DIAMETER
With CONSULT-III
1.
Start engine.
2.
Drive at 20 km/h (12 MPH) or more for approx. 200 seconds.
3.
Check “DIS-TIRE MONI” of AWD control unit CONSULT-III “DATA MONITOR”.
Does the item on “DATA MONITOR” indicate “0 - 4 mm”?
YES
>> INSPECTION END
NO
>> GO TO 3.
3.
TERMINAL INSPECTION
Check AWD control unit harness connector for disconnection.
Is the inspection result normal?
YES
>> Replace AWD control unit. Refer to
NO
>> Repair or replace the specific malfunctioning part.
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