Infiniti M45 (Y34). Manual - part 275
TROUBLE DIAGNOSIS
BRC-43
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
4.
DATA MONITOR CHECK
1.
Connect the steering angle sensor and VDC/TCS/ABS control unit connectors.
2.
Conduct “Data Monitor” of the “STEERING ANGLE SIGNAL” to check if the status is normal.
OK or NG
OK
>> Re-conduct the VDC/TCS/ABS control unit self-diagnosis.
NG
>> Replace spiral cable (steering angle sensor) and adjust neutral position of steering angle sensor.
Refer to
BRC-6, "Adjustment of Steering Angle Sensor Neutral Position"
.
Inspection 6 Yaw Rate/Side G Sensor System
AFS001KA
CAUTION:
Sudden turns (such as spin turns, acceleration turns), drifting, etc. When VDC function is OFF (VDC
SW ON) may cause the yaw rate/side G - sensor system indicate a problem. However this is not a prob-
lem if normal operation can be resumed after restarting the engine.
INSPECTION PROCEDURE
1.
SELF-DIAGNOSIS RESULT CHECK
Check self-diagnosis results.
CAUTION:
When on a turntable, such as at a parking structure entrance, or when on a moving object with the
engine running, the VDC OFF lamp might turn on and the self-diagnosis using the CONSULT-II the yaw
rate sensor system might be displayed, but in this case there is no problem with the yaw rate sensor
system. As soon as the vehicle leaves the turntable or moving object, restart the engine to return the
system to normal.
Is the above displayed in the self-diagnosis display items?
YES
>> GO TO 2.
NO
>> Inspection End
2.
CONNECTOR INSPECTION
1.
Disconnect yaw rate/side G sensor connector and VDC/TCS/ABS control unit connector and check the
terminals for deformation, disconnection, looseness, and so on. If there is an error, repair or replace the
terminal.
2.
Reconnect the connectors and Re-conduct a VDC/TCS/ABS control unit self-diagnosis.
OK or NG
OK
>> The connector terminal contact is loose, damaged, open or shorted.
NG
>> GO TO 3.
Steering condition
Data monitor
Straight-ahead
-5deg - +5deg
Turn wheel to the right by 90
°
.
Approx. + 90deg
Turn wheel to the left by 90
°
.
Approx. -90deg
Self-diagnosis results
YAW RATE SENSOR
SIDE G-SENSOR