Infiniti G35 (V35) Sedan. Manual — part 396
DLN-18
< COMPONENT DIAGNOSIS >
[TRANSFER: ETX13B]
C1204 AWD SOLENOID
Is the inspection result normal?
YES
>> Replace AWD control unit. Refer to
NO
>> Repair or replace damaged parts.
Component Inspection
INFOID:0000000000957240
1.
CHECK AWD SOLENOID
1.
Turn the ignition switch OFF.
2.
Disconnect AWD solenoid harness connector.
3.
Check the resistance between AWD solenoid harness connector terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> AWD solenoid is malfunctioning. Replace electric controlled coupling. Refer to
AWD solenoid
Resistance (Approx.)
Connector
Terminal
F57
1 – 2
2.45
Ω
C1205 AWD ACTUATOR RELAY
DLN-19
< COMPONENT DIAGNOSIS >
[TRANSFER: ETX13B]
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C1205 AWD ACTUATOR RELAY
Description
INFOID:0000000000957241
• AWD solenoid is supplied with voltage by the internal circuit of AWD control unit.
DTC Logic
INFOID:0000000000957242
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC REPRODUCTION PROCEDURE
With CONSULT-III
1.
Turn the ignition switch OFF to ON.
2.
Perform the self-diagnosis.
Is DTC “C1205” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000000957243
1.
PERFORM SELF-DIAGNOSIS
With CONSULT-III
1.
Erase AWD control unit self-diagnosis results.
2.
Wait 10 minutes or more after turning the ignition switch OFF.
3.
Perform self-diagnosis of AWD control unit.
Is DTC “C1205” detected?
YES
>> Replace AWD control. Refer to
.
NO
>> Check AWD control unit pin terminals for damage or loose connection with harness connector. If
any items are damaged, repair or replace damaged parts.
DTC
Items
(CONSULT-III screen terms)
Diagnostic item is detected when...
Possible cause
C1205
4WD ACTUATOR RLY
Malfunction has been detected from
AWD actuator relay integrated with AWD
control unit, or malfunction related to
AWD solenoid has been detected.
Internal malfunction of AWD control unit
DLN-20
< COMPONENT DIAGNOSIS >
[TRANSFER: ETX13B]
C1210 ECM
C1210 ECM
Description
INFOID:0000000000957244
• Transmits the following signals via CAN communication to AWD control unit.
- Accelerator pedal position signal
- Engine speed signal
DTC Logic
INFOID:0000000000957245
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC REPRODUCTION PROCEDURE
With CONSULT-III
1.
Start the engine. Drive the vehicle for a while.
2.
Perform the self-diagnosis.
Is DTC “C1210” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000000957246
1.
ECM SELF-DIAGNOSIS
With CONSULT-III
Perform self-diagnosis of ECM.
Is any malfunction detected by self-diagnosis?
YES
>> Check the malfunctioning system.
NO
>> GO TO 2.
2.
AWD CONTROL UNIT SELF-DIAGNOSIS
With CONSULT-III
1.
Erase AWD control unit self-diagnosis results.
2.
Turn the ignition switch OFF.
3.
Start the engine. Drive the vehicle for a while.
4.
Make sure that malfunction indicator lamp (MIL) turns OFF.
5.
Stop the vehicle. Perform AWD control unit self-diagnosis.
Is DTC “C1210” detected?
YES
>> Replace AWD control. Refer to
.
NO
>> Check AWD control unit pin terminals for damage or loose connection with harness connector. If
any items are damaged, repair or replace damaged parts.
DTC
Items
(CONSULT-III screen terms)
Diagnostic item is detected when...
Possible cause
C1210
ENGINE SIGNAL 1
Malfunction has been detected from
ECM.
Malfunction of engine control system
• Accelerator pedal position signal error
• Engine speed signal error
U1000 CAN COMM CIRCUIT
DLN-21
< COMPONENT DIAGNOSIS >
[TRANSFER: ETX13B]
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U1000 CAN COMM CIRCUIT
Description
INFOID:0000000000957247
• CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle
multiplex communication line with high data communication speed and excellent error detection ability. Many
electronic control units are equipped onto a vehicle, and each control unit shares information and links with
other control units during operation (not independent). In CAN communication, control units are connected
with 2 communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with
less wiring. Each control unit transmits/receives data but selectively reads required data only.
DTC Logic
INFOID:0000000000957248
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC REPRODUCTION PROCEDURE
With CONSULT-III
1.
Turn the ignition switch OFF to ON.
2.
Perform the self-diagnosis.
Is DTC “U1000” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000000957249
1.
PERFORM SELF-DIAGNOSIS
With CONSULT-III
Perform self-diagnosis of AWD control unit.
Is DTC “U1000” detected?
YES
>> CAN specification chart.
NO
>> INSPECTION END
DTC
Items
(CONSULT-III screen terms)
Diagnostic item is detected when...
Possible cause
U1000
CAN COMM CIRCUIT
When AWD control unit is not transmit-
ting or receiving CAN communication
signal for 2 seconds or more.
CAN communication line error
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