Infiniti G35 (V35) Sedan. Manual — part 400
DLN-34
< ECU DIAGNOSIS >
[TRANSFER: ETX13B]
AWD CONTROL UNIT
U1000
CAN COMM CIRCUIT
U1010
CONTROL UNIT (CAN)
DTC
Items
(CONSULT-III screen terms)
Reference
AWD SYSTEM SYMPTOMS
DLN-35
< SYMPTOM DIAGNOSIS >
[TRANSFER: ETX13B]
C
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DLN
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SYMPTOM DIAGNOSIS
AWD SYSTEM SYMPTOMS
Symptom Table
INFOID:0000000000957262
If AWD warning lamp turns ON, perform self-diagnosis.
NOTE:
Light tight-corner braking symptom may occur depending on driving conditions. This is not malfunction.
Symptom
Condition
Check item
Reference
AWD warning lamp does not turn ON when
the ignition switch is turned to ON.
(AWD warning lamp check)
Ignition switch: ON
Unified meter and A/C amp.
CAN communication line
Combination meter
AWD warning lamp does not turn OFF sev-
eral seconds after engine started.
Engine running
AWD control unit self-diagnosis
AWD warning lamp
Power supply and ground for AWD con-
trol unit
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. (See NOTE.)
• While driving
• Steering wheel is
turned fully to either
sides
ECM self-diagnosis
AWD control unit self-diagnosis
AWD solenoid
Mechanical malfunction of electric con-
trolled coupling (clutch sticking etc.)
Vehicle does not enter AWD mode even
though AWD warning lamp turned to OFF.
While driving
CAN communication line
AWD solenoid
Mechanical malfunction of electric con-
trolled coupling (Mechanical engage-
ment of clutch is not possible.)
While driving, AWD warning lamp blinks
quickly. (When blinking in approx. 1 minute
and then turning OFF.)
Quick blinking: 2 times/second
While driving
Protection function is activated due to
heavy load to electric controlled cou-
pling. (AWD system is not malfunction-
ing. Also, optional distribution of torque
sometimes becomes rigid before lamp
blinks quickly, but it is not malfunction.)
While driving, AWD warning lamp blinks
slowly. (When continuing to blink until turn-
ing ignition switch OFF)
Slow blinking: 1 time/2 seconds
• While driving
• Vehicle speed: 20 km/h
(12 MPH) or more
Tire size is different between front and
rear of vehicle.
DLN-36
< SYMPTOM DIAGNOSIS >
[TRANSFER: ETX13B]
AWD WARNING LAMP DOES NOT TURN ON
AWD WARNING LAMP DOES NOT TURN ON
Description
INFOID:0000000000957263
• AWD warning lamp does not turn ON when the ignition switch is turned to ON.
Diagnosis Procedure
INFOID:0000000000957264
1.
CHECK AWD WARNING LAMP
Perform trouble diagnosis for AWD warning lamp. Refer to
Is the inspection result normal?
YES
>> Check each harness connector pin terminal for disconnection.
NO
>> Repair or replace damaged parts.
AWD WARNING LAMP DOES NOT TURN OFF
DLN-37
< SYMPTOM DIAGNOSIS >
[TRANSFER: ETX13B]
C
E
F
G
H
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K
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A
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DLN
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AWD WARNING LAMP DOES NOT TURN OFF
Description
INFOID:0000000000957265
• AWD warning lamp does not turn OFF several seconds after engine started.
Diagnosis Procedure
INFOID:0000000000957266
1.
SELF-DIAGNOSIS START
With CONSULT-III
Perform AWD control unit self-diagnosis.
Is any error system detected?
YES
>> Check the error system.
NO
>> GO TO 2.
2.
CHECK AWD WARNING LAMP
Perform AWD warning lamp trouble diagnosis. Refer to
Is the inspection result normal?
YES
>> Repair or replace the specific malfunctioning part.
NO
>> GO TO 3.
3.
AWD CONTROL UNIT POWER SUPPLY INSPECTION
Perform AWD control unit power supply trouble diagnosis. Refer to
Is the inspection result normal?
YES
>> Check each harness connector pin terminal for disconnection.
NO
>> Repair or replace the specific malfunctioning part.
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