Infiniti Q45. Manual — part 892
TROUBLE DIAGNOSIS FOR SYSTEM
STC-71
[WITH REAR ACTIVE STEER]
C
D
E
F
H
I
J
K
L
M
A
B
STC
5.
CHECK (2): REAR WHEEL STEERING ANGLE SENSOR
1.
Turn ignition switch “OFF”.
2.
Disconnect rear wheel steering angle sensor harness connector.
3.
Remove rear wheel steering angle sensor.
4.
Check resistance between rear wheel steering angle sensor
connector (A) B81 terminals 1 and 3.
5.
While turning the rear wheel steering angle sensor clockwise or
counterclockwise, check rear wheel steering angle sensor con-
nector (A) B81 terminals 1 and 2, 4.
6.
Perform the neutral position adjustment of rear wheel steering
angle sensor after checking. Refer to
.
OK or NG
OK
>> GO TO 6.
NG
>> Replace rear wheel steering angle sensor. Perform the neutral position adjustment after replacing
rear wheel steering angle sensor. Refer to
6.
CHECK RAS CONTROL UNIT
Check RAS control unit input/output signal. Refer to
STC-47, "RAS Control Unit Input/Output Signal Refer-
.
OK or NG
OK
>> GO TO 7.
NG
>> Check RAS control unit pin terminals for damage or loose connection with harness connector. If
any items are damaged, repair or replace damaged parts.
7.
CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.
OK or NG
OK
>> INSPECTION END
NG
>> Replace RAS control unit. Refer to
STC-90, "Removal and Installation"
.
1 - 3
: 1 k
Ω
SGIA1485E
1 - 2
: 1.2 k – 1.5 k
Ω
1 - 4
: 1.2 k – 1.5 k
Ω
SGIA1486E
STC-72
[WITH REAR ACTIVE STEER]
TROUBLE DIAGNOSIS FOR SYSTEM
DTC C1919 VEHICLE SPEED SEN
NGS0008L
●
Check the following if “VEHICLE SPEED SEN [NO SIGNAL] [C1919]” is detected in self-diagnosis results
with CONSULT-II or “flickering pattern for 21” is detected in self-diagnosis results without CONSULT-II.
DIAGNOSTIC PROCEDURE
1.
CHECK DTC WITH VDC/TCS/ABS CONTROL UNIT
Perform self-diagnosis with VDC/TCS/ABS control unit. Refer to
BRC-24, "SELF-DIAG RESULT MODE"
.
Is any malfunction detected by self-diagnosis?
YES
>> Check the malfunctioning system.
NO
>> GO TO 2.
2.
CHECK RAS CONTROL SYSTEM
Perform self-diagnosis with RAS control unit. Refer to
STC-49, "SELF-DIAG RESULT MODE"
.
Is the “CAN COMM [U1000]” or “CONTROL UNIT (CAN) [U1010]” displayed?
YES
>> Perform trouble diagnosis for DTC U1000 CAN or DTC U1010 CONTROL UNIT (CAN). Refer to
STC-75, "DTC U1010 CONTROL UNIT (CAN)"
NO
>> GO TO 3.
3.
CHECK RAS CONTROL UNIT
Check RAS control unit input/output signal. Refer to
STC-47, "RAS Control Unit Input/Output Signal Refer-
.
OK or NG
OK
>> GO TO 4.
NG
>> Check RAS 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.
OK or NG
OK
>> INSPECTION END
NG
>> Perform self-diagnosis with VDC/TCS/ABS control unit again. Refer to
DTC C1920, C1923, C1924, C1926 STEERING ANGLE SEN
NGS0008M
●
Check the following if “STEERING ANGLE SEN [NO SIGNAL] [C1920]”, “STEERING ANGLE SEN [NO
CHANGE] [C1923]”, “STEERING ANGLE SEN [NO NEUT STATE] [C1924]” or “STEERING ANGLE SEN
[C1926]” is detected in self-diagnosis results with CONSULT-II or “flickering pattern for 22” is detected in
self-diagnosis results without CONSULT-II.
DIAGNOSTIC PROCEDURE
1.
CHECK DTC WITH VDC/TCS/ABS CONTROL UNIT
Perform self-diagnosis with VDC/TCS/ABS control unit. Refer to
BRC-24, "SELF-DIAG RESULT MODE"
.
Is any malfunction detected by self-diagnosis (DTC C1158 ST ANG SEN)?
YES
>> Check the malfunctioning system.
NO
>> GO TO 2.
2.
CHECK RAS CONTROL SYSTEM
Perform self-diagnosis with RAS control unit. Refer to
STC-49, "SELF-DIAG RESULT MODE"
.
Is the “CAN COMM [U1000]” or “CONTROL UNIT (CAN) [U1010]” displayed?
YES
>> Perform trouble diagnosis for DTC U1000 CAN or DTC U1010 CONTROL UNIT (CAN). Refer to
STC-75, "DTC U1010 CONTROL UNIT (CAN)"
NO
>> GO TO 3.
TROUBLE DIAGNOSIS FOR SYSTEM
STC-73
[WITH REAR ACTIVE STEER]
C
D
E
F
H
I
J
K
L
M
A
B
STC
3.
CHECK RAS CONTROL UNIT
Check RAS control unit input/output signal. Refer to
STC-47, "RAS Control Unit Input/Output Signal Refer-
.
OK or NG
OK
>> GO TO 4.
NG
>> Check RAS 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.
OK or NG
OK
>> INSPECTION END
NG
>> Replace RAS control unit. Refer to
STC-90, "Removal and Installation"
.
DTC C1921 ENG REV SIGNAL
NGS0006W
●
Check the following if “ENG REV SIGNAL [C1921]” is detected in self-diagnosis results with CONSULT-II
or “flickering pattern for 33” is detected in self-diagnosis results without CONSULT-II.
DIAGNOSTIC PROCEDURE
1.
CHECK DTC WITH ECM
Perform self-diagnosis with ECM. Refer to
EC-47, "ON BOARD DIAGNOSTIC (OBD) SYSTEM"
.
Is any malfunction detected by self-diagnosis?
YES
>> Check the malfunctioning system.
NO
>> GO TO 2.
2.
CHECK RAS CONTROL SYSTEM
Perform self-diagnosis with RAS control unit. Refer to
STC-49, "SELF-DIAG RESULT MODE"
.
Is the “CAN COMM [U1000]” or “CONTROL UNIT (CAN) [U1010]” displayed?
YES
>> Perform trouble diagnosis for DTC U1000 CAN or DTC U1010 CONTROL UNIT (CAN). Refer to
or
STC-75, "DTC U1010 CONTROL UNIT (CAN)"
NO
>> GO TO 3.
3.
CHECK RAS CONTROL UNIT
Check RAS control unit input/output signal. Refer to
STC-47, "RAS Control Unit Input/Output Signal Refer-
.
OK or NG
OK
>> GO TO 4.
NG
>> Check RAS 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.
OK or NG
OK
>> INSPECTION END
NG
>> Perform self-diagnosis with ECM again. Refer to
EC-47, "ON BOARD DIAGNOSTIC (OBD) SYS-
.
STC-74
[WITH REAR ACTIVE STEER]
TROUBLE DIAGNOSIS FOR SYSTEM
DTC C1929 VDC
NGS0008N
●
Check the following if “VDC [C1929]” is detected in self-diagnosis results with CONSULT-II or “flickering
pattern for 26” is detected in self-diagnosis results without CONSULT-II.
DIAGNOSTIC PROCEDURE
1.
CHECK DTC WITH VDC/TCS/ABS CONTROL UNIT
Perform self-diagnosis with VDC/TCS/ABS control unit. Refer to
BRC-24, "SELF-DIAG RESULT MODE"
.
Is any malfunction detected by self-diagnosis?
YES
>> Check the malfunctioning system.
NO
>> GO TO 2.
2.
CHECK RAS CONTROL SYSTEM
Perform self-diagnosis with RAS control unit. Refer to
STC-49, "SELF-DIAG RESULT MODE"
.
Is the “CAN COMM [U1000]” or “CONTROL UNIT (CAN) [U1010]” displayed?
YES
>> Perform trouble diagnosis for DTC U1000 CAN or DTC U1010 CONTROL UNIT (CAN). Refer to
STC-75, "DTC U1010 CONTROL UNIT (CAN)"
NO
>> GO TO 3.
3.
CHECK RAS CONTROL UNIT
Check RAS control unit input/output signal. Refer to
STC-47, "RAS Control Unit Input/Output Signal Refer-
.
OK or NG
OK
>> GO TO 4.
NG
>> Check RAS 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.
OK or NG
OK
>> INSPECTION END
NG
>> Perform self-diagnosis with VDC/TCS/ABS control unit again. Refer to
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст