Infiniti I35 (A33). Manual — part 137
Inspection 1 Wheel Sensor and Circuit
NHBR0270
Inspection procedure
1
SELF-DIAGNOSIS RESULT CHECK 1
Check the self-diagnosis results.
MTBL1263
Are any self-diagnosis result items above indicated?
©
GO TO 2.
2
CHECK THE CONNECTOR
Remove connectors of the wheel sensor which is malfunctioning and the VDC/TCS/ABS control unit. Check whether the
deformation of terminal, or incorporate connection of connectors. Then, connect connectors. In addition, check if the wheel
sensor cable is damaged due to friction.
Does ABS warning lamp is out when driving 30 km/h (19 MPH) or more for approx. one minute?
Yes
©
Check is completed.
No
©
GO TO 3.
GI
MA
EM
LC
EC
FE
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
VDC
Inspection 1 Wheel Sensor and Circuit
BR-133
3
CHECK WHEEL SPEED SENSOR CIRCUIT
1. Disconnect connectors of the VDC/TCS/ABS control unit and wheel sensors.
SBR185F
2. Check for continuity among the VDC/TCS/ABS control unit (harness connector B57) and wheel sensors (harness con-
nectors B76, B77, E160, E167), body ground.
MTBL1563
MTBL1382
Is inspection result OK?
Yes
©
GO TO 4.
No
©
Repair harness and connector between the VDC/TCS/ABS control unit and the wheel
sensor.
4
INSPECTION THE TIRE
Check the tire pressure, wear, size.
Check if the pressure, wear, and size are in range of the standard?
Yes
©
GO TO 5.
No
©
Adjusting tire pressure, and replace tire.
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
VDC
Inspection 1 Wheel Sensor and Circuit (Cont’d)
BR-134
5
SENSOR ROTOR INSPECTION
Check sensor rotor tooth for damage.
Is inspection result OK?
Yes
©
Check the VDC/TCS/ABS control unit connector B57 for disconnect, loose, bent and col-
lapse terminals. Securely connect them again. Perform the VDC/TCS/ABS control unit
self-diagnosis again.
No
©
Replace sensor rotor.
Inspection 2 Engine System
NHBR0271
Inspection procedure
1
SELF-DIAGNOSIS RESULT CHECK 1
Check the self-diagnosis results.
MTBL1264
Are any items other than above indicated in the self-diagnosis results?
Yes
©
Repair or replace affected items.
No
©
GO TO 2.
2
SELF-DIAGNOSIS RESULT CHECK 2
1. Perform the ECM self-diagnosis and repair or replace affected items, then perform the ECM self-diagnosis again.
2. Perform the VDC/TCS/ABS control unit self-diagnosis again.
Is inspection result OK?
OK
©
INSPECTION END
NG
©
Repair or replace affected items. Perform the self-diagnosis again.
GI
MA
EM
LC
EC
FE
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
VDC
Inspection 1 Wheel Sensor and Circuit (Cont’d)
BR-135
Inspection 3 VDC/TCS/ABS Control Unit
System
=NHBR0272
Inspection procedure
1
SELF-DIAGNOSIS RESULT CHECK
Check the self-diagnosis results.
MTBL1265
Are any items other than “CONTROLLER FAILURE” indicated in the self-diagnosis results?
Yes
©
Repair or replace affected items. Perform the self-diagnosis again.
No
©
Replace the VDC/TCS/ABS control unit and perform the VDC/TCS/ABS control unit self-
diagnosis again.
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
VDC
Inspection 3 VDC/TCS/ABS Control Unit System
BR-136
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