Infiniti QX56 (Z62). Manual — part 469
DLN-76
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: ATX90A]
P181C TRANSFER MOTOR POWER SUPPLY
P181C TRANSFER MOTOR POWER SUPPLY
Description
INFOID:0000000006222276
Supplies power to transfer control actuator (transfer motor).
DTC Logic
INFOID:0000000006222277
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC REPRODUCTION PROCEDURE
With CONSULT-III
1.
Turn the ignition switch OFF to ON.
2.
Perform self-diagnosis for “ALL MODE AWD/4WD”.
Is DTC “P181C” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006222278
1.
CHECK TRANSFER MOTOR POWER SUPPLY (2)
Check the voltage between transfer control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK TRANSFER MOTOR POWER SUPPLY CIRCUIT (2)
1.
Turn the ignition switch OFF.
2.
Check the 30A fusible link (J).
3.
Check the harness for open or short between transfer control unit harness connector No.41 terminal and
30A fusible link (J).
Is the inspection result normal?
YES
>> Perform the trouble diagnosis for power supply circuit. Refer to
NO
>> Repair or replace error-detected parts.
3.
CHECK TERMINALS AND HARNESS CONNECTORS
Check the pin terminals for damage or loose connection with each harness connector.
Is the inspection result normal?
YES
>> Replace transfer control unit. Refer to
DLN-107, "Removal and Installation"
.
NO
>> Repair or replace error-detected parts.
DTC
Display item
Malfunction detected condition
Possible cause
P181C
MOTOR POWER SUPPLY
When transfer control actuator power
supply is lower or higher than normal
Malfunction of transfer control actuator
(transfer motor) power supply circuit
+
−
Voltage
Transfer control unit
Connector
Terminal
E60
41
46
Battery voltage
P181E STEERING ANGLE SENSOR
DLN-77
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: ATX90A]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
P181E STEERING ANGLE SENSOR
DTC Logic
INFOID:0000000006222279
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC REPRODUCTION PROCEDURE
With CONSULT-III
1.
Turn the ignition switch OFF to ON.
2.
Perform self-diagnosis for “ALL MODE AWD/4WD”.
Is DTC “P181E” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006222280
1.
PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT-III
Perform self-diagnosis for “ABS”.
Is DTC “C1143” detected?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> GO TO 2.
2.
CHECK CAN COMMUNICATION LINE
Check communication line. Refer to
.
Is inspection result normal?
YES
>> Replace transfer control unit. Refer to
DLN-107, "Removal and Installation"
NO
>> Repair or replace error-detected parts.
DTC
Display item
Malfunction detected condition
Possible cause
P181E
ST ANGLE SEN SIG
Malfunction is detected in steering angle
sensor signal through CAN communica-
tion.
• Harness or connector (CAN communi-
cation line)
• Steering angle sensor
- Steering angle sensor error
- Malfunction of steering angle sensor
circuit error
DLN-78
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: ATX90A]
P181F INCOMPLETE CALIBRATION
P181F INCOMPLETE CALIBRATION
DTC Logic
INFOID:0000000006222281
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC REPRODUCTION PROCEDURE
With CONSULT-III
1.
Turn the ignition switch OFF to ON.
2.
Perform self-diagnosis for “ALL MODE AWD/4WD”.
Is DTC “P181F” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006222282
1.
PERFORM INITIAL CALIBRATION
1.
Erase self-diagnostic result for “ALL MODE AWD/4WD”.
2.
Perform initial calibration. Refer to
3.
Perform self-diagnosis for “ALL MODE AWD/4WD”.
Is any DTC except “P181F” detected?
YES
>> Check DTC.
NO
>> GO TO 2.
2.
PERFORM SELF-DIAGNOSIS
With CONSULT-III
1.
Erase self-diagnostic result for “ALL MODE AWD/4WD”.
2.
Turn the ignition switch OFF, and then wait 10 seconds or more.
3.
Perform self-diagnosis for “ALL MODE AWD/4WD”.
Is DTC “P181F” detected?
YES
>> Replace transfer control unit. Refer to
DLN-107, "Removal and Installation"
.
NO
>> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace the error-detected parts.
DTC
Display item
Malfunction detected condition
Possible cause
P181F
INCOMP CALIBRATION
When incomplete calibration of transfer
control unit is detected.
Initial calibration of transfer is incom-
plete
P1820 ENGINE SPEED SIGNAL
DLN-79
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: ATX90A]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
P1820 ENGINE SPEED SIGNAL
DTC Logic
INFOID:0000000006222283
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC REPRODUCTION PROCEDURE
With CONSULT-III
1.
Start the engine and drive at 20 km/h (12 MPH) or more.
2.
Perform self-diagnosis for “ALL MODE AWD/4WD”.
Is DTC “P1820” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006222284
1.
PERFORM ECM SELF-DIAGNOSIS
With CONSULT-III
Perform self-diagnosis for “ENGINE”.
Is any DTCs detected?
YES
>> Check the DTCs.
NO
>> GO TO 2.
2.
ERASE SELF-DIAGNOSTIC RESULT
With CONSULT-III
1.
Erase self-diagnostic results for “ALL MODE AWD/4WD”.
2.
Turn the ignition switch OFF.
3.
Start the engine and drive vehicle for a while.
4.
Check that malfunction indicator lamp (MIL) turns OFF.
Does malfunction indicator lamp (MIL) turn OFF?
YES
>> GO TO 3.
NO
>> Refer to
.
3.
CHECK TERMINALS AND HARNESS CONNECTORS
Check transfer control unit pin terminals for damage or loose connection with harness connector.
Is inspection result normal?
YES
>> After turning the ignition switch OFF, perform DTC confirmation procedure again. When DTC
"P1820" is detected, Replace transfer control unit. Refer to
DLN-107, "Removal and Installation"
.
NO
>> Repair or replace error-detected parts.
DTC
Display item
Malfunction detected condition
Possible cause
P1820
ENGINE SPEED SIG
Malfunction is detected in engine speed
signal that is output from ECM through
CAN communication.
• Harness or connector (CAN communi-
cation line)
• Internal malfunction of ECM
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст