Infiniti FX35 / FX45. Manual — part 954
TROUBLE DIAGNOSIS FOR SYSTEM
TF-27
< SERVICE INFORMATION >
C
E
F
G
H
I
J
K
L
M
A
B
TF
N
O
P
1.
Turn ignition switch “OFF”.
2.
Disconnect transfer assembly harness connector.
3.
Check resistance between transfer assembly harness connector
F43 terminals 1 and 2.
4.
If NG, replace electric controlled coupling. Refer to
DTC C1205 4WD ACTUATOR RLY
INFOID:0000000001327447
CONSULT-III REFERENCE VALUE IN DATA MONITOR MODE
Data are reference value.
DIAGNOSTIC PROCEDURE
• Check the following if “4WD ACTUATOR RLY [C1205]” is displayed in self-diagnostic results of CONSULT-
III.
1.
CHECK AWD SOLENOID SYSTEM
Perform self-diagnosis. Refer to
TF-21, "CONSULT-III Function (ALL MODE AWD/4WD)"
Is the “4WD SOLENOID [C1204]” displayed?
YES
>> Perform trouble diagnosis for AWD solenoid. Refer to
TF-25, "DTC C1204 4WD SOLENOID"
.
NO
>> GO TO 2.
2.
CHECK AWD ACTUATOR RELAY SIGNAL
With CONSULT-III
1.
Turn ignition switch “ON”. (Do not start engine.)
2.
Select “DATA MONITOR” mode for “ALL MODE AWD/4WD” with CONSULT-III.
3.
Start engine and read out ON/OFF signal of “ETS ACTUATOR”.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 3.
3.
CHECK AWD CONTROL UNIT
Check AWD control unit input/output signal. Refer to
TF-20, "AWD Control Unit Input/Output Signal Reference
OK or NG
OK
>> GO TO 4.
NG
>> Check AWD control unit pin terminals for damage or loose connection with harness connector. If
any items are damaged, repair or replace damaged parts.
4.
CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.
1 - 2
: Approx. 2.45
Ω
SDIA2162E
Monitored item
Condition
Display value
ETS ACTUATOR [ON/OFF]
Engine stopped (Ignition switch: ON)
OFF
Engine running
ON
Monitor item
Condition
Display value
ETS ACTUATOR
Engine stopped (Ignition switch: ON)
OFF
Engine running
ON
TF-28
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYSTEM
OK or NG
OK
>> INSPECTION END
NG
>> Replace AWD control unit.
DTC C1210 ENGINE SIGNAL 1
INFOID:0000000001327448
DIAGNOSTIC PROCEDURE
• Check the following if “ECM SIGNAL 1 [C1210]” is displayed in self-diagnostic results of CONSULT-III.
1.
CHECK DTC WITH ECM
Perform self-diagnosis with ECM. Refer to
EC-55, "Emission-Related Diagnostic Information"
(VQ engine
models) or
EC-633, "Emission-related Diagnostic Information"
(VK engine models).
Is any malfunction detected by self-diagnosis?
YES
>> Check the malfunctioning system.
NO
>> GO TO 2.
2.
CHECK AWD CONTROL UNIT
Check AWD control unit input/output signal. Refer to
TF-20, "AWD Control Unit Input/Output Signal Reference
OK or NG
OK
>> GO TO 3.
NG
>> Check AWD control unit pin terminals for damage or loose connection with harness connector. If
any items are damaged, repair or replace damaged parts.
3.
CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.
OK or NG
OK
>> INSPECTION END
NG
>> Perform self-diagnosis with ECM again. Refer to
EC-55, "Emission-Related Diagnostic Informa-
(VQ engine models) or
EC-633, "Emission-related Diagnostic Information"
(VK engine mod-
els).
DTC U1000 CAN COMM CIRCUIT
INFOID:0000000001327449
DIAGNOSTIC PROCEDURE
• Check the following if “CAN COMM CIRCUIT [U1000]” is detected in self-diagnostic results of CONSULT-III.
1.
CHECK CAN COMMUNICATION CIRCUIT
With CONSULT-III
1.
Turn ignition switch “ON” and start engine.
2.
Select “SELF-DIAG RESULTS” mode for “ALL MODE AWD/4WD” with in CONSULT-III.
3.
Perform the self-diagnosis.
Is the “CAN COMM CIRCUIT [U1000]” displayed?
YES
>> Print out CONSULT-III screen and go to
LAN-43, "CAN System Specification Chart"
NO
>> INSPECTION END
Power Supply Circuit for AWD Control Unit
INFOID:0000000001327443
CONSULT-III REFERENCE VALUE IN DATA MONITOR MODE
Data are reference value.
DIAGNOSTIC PROCEDURE
1.
CHECK POWER SUPPLY
1.
Turn ignition switch “OFF”.
Monitored item [Unit]
Condition
Display value (Approx.)
BATTERY VOLT [V]
Ignition switch: ON
Battery voltage
TROUBLE DIAGNOSIS FOR SYSTEM
TF-29
< SERVICE INFORMATION >
C
E
F
G
H
I
J
K
L
M
A
B
TF
N
O
P
2.
Disconnect AWD control unit harness connector.
3.
Turn ignition switch “ON”. (Do not start engine.)
4.
Check voltage between AWD control unit harness connector ter-
minals and ground.
5.
Turn ignition switch “OFF”.
6.
Check voltage between AWD control unit harness connector ter-
minals and ground.
OK or NG
OK
>> GO TO 2.
NG
>>
Check the following. If any items are damaged, repair
or replace damaged parts.
• 10A fuse [No. 12 or 21, located in the fuse block (J/B)]
• Harness for short or open between battery and AWD control unit harness connector terminal 9
• Harness for short or open between ignition switch and AWD control unit harness connector ter-
minal 7
• Ignition switch. Refer to
.
2.
CHECK GROUND CIRCUIT
1.
Turn ignition switch “OFF”.
2.
Disconnect AWD control unit harness connector.
3.
Check continuity between AWD control unit harness connector
M92 terminals 10, 11 and ground.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 3.
NG
>> Repair open circuit or short to ground or short to power
in harness or connectors.
3.
CHECK DTC
Start engine.
Does AWD warning lamp turn OFF?
YES
>> INSPECTION END
NO
>> Perform the self-diagnosis, repair or replace damaged parts. Refer to
Connector
Terminal Voltage
(Approx.)
M92
7 - Ground
Battery voltage
9 - Ground
SDIA2319E
Connector
Terminal Voltage
(Approx.)
M92
7 - Ground
0V
9 - Ground
Battery voltage
SDIA2320E
Continuity should exist.
SDIA1883E
TF-30
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYMPTOMS
TROUBLE DIAGNOSIS FOR SYMPTOMS
AWD Warning Lamp Does Not Turn ON When the Ignition Switch Is Turned to ON
INFOID:0000000001327450
DIAGNOSTIC PROCEDURE
1.
CHECK SYSTEM FOR CAN COMMUNICATION LINE
Perform self-diagnosis. Refer to
TF-21, "CONSULT-III Function (ALL MODE AWD/4WD)"
Is the “CAN COMM CIRCUIT [U1000]” displayed?
YES
>> Perform trouble diagnosis for CAN communication line. Refer to
.
NO
>> GO TO 2.
2.
CHECK AWD CONTROL UNIT
Check AWD control unit input/output signal. Refer to
TF-20, "AWD Control Unit Input/Output Signal Reference
OK or NG
OK
>> GO TO 3.
NG
>> Check AWD control unit pin terminals for damage or loose connection with harness connector. If
any items are damaged, repair or replace damaged parts.
3.
CHECK OUTPUT SIGNAL WITH UNIFIED METER AND A/C AMP.
With CONSULT-III
1.
Turn ignition switch “ON”. (Do not start engine.)
2.
Select “DATA MONITOR” mode for “METER A/C AMP” with CONSULT-III.
3.
Start the engine, and then make sure that “4WD W/L” display turns from “ON” to “OFF” after several sec-
onds.
OK or NG
OK
>> GO TO 4.
NG
>> Perform trouble diagnosis for combination meter. Refer to
4.
SYMPTOM CHECK
Check again.
OK or NG
OK
>> INSPECTION END
NG
>> Replace unified meter control unit assembly. Refer to
DI-23, "Disassembly and Assembly of Com-
.
AWD Warning Lamp Does Not Turn OFF Several Seconds after Engine Started
INFOID:0000000001327451
DIAGNOSTIC PROCEDURE
1.
CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to
TF-21, "CONSULT-III Function (ALL MODE AWD/4WD)"
Is any malfunction detected by self-diagnosis?
YES
>> Check the malfunctioning system.
NO
>> GO TO 2.
2.
CHECK AWD CONTROL UNIT POWER SUPPLY CIRCUIT
1.
Turn ignition switch “OFF”.
Monitor item
Condition
Display value
4WD W/L
Ignition switch ON
ON
Start engine (after several seconds)
OFF
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст