Infiniti I30 (A33). Manual — part 131
Wheel Sensor or Rotor
NHBR0064
DIAGNOSTIC PROCEDURE
NHBR0064S01
Malfunction code No. 21, 22, 25, 26, 31, 32, 35, 36 or 18
NOTE:
Wheel position should be identified by code No. except code No.
18 (sensor rotor).
1
INSPECTION START
Wheel sensor inspection
SBR769DE
©
GO TO 2.
2
CHECK CONNECTOR
1. Disconnect connectors from control unit and wheel sensor of malfunction code No. Check terminals for damage or
loose connections. Then reconnect connectors.
2. Carry out self-diagnosis again.
Does warning lamp activate again?
Yes
©
GO TO 3.
No
©
INSPECTION END
GI
MA
EM
LC
EC
FE
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
TCS
Wheel Sensor or Rotor
BR-107
3
CHECK WHEEL SENSOR CIRCUIT
1. Disconnect control unit connector.
2. Check resistance between control unit connector terminals.
Code No. 21 or 22 (Front RH wheel)
Terminals 14 and 15
Code No. 25 or 26 (Front LH wheel)
Terminals 9 and 10
Code No. 31 or 32 (Rear RH wheel)
Terminals 11 and 38
Code No. 35 or 36 (Rear LH wheel)
Terminals 12 and 13
Resistance: 0.8 - 1.85 k
Ω
SBR247DJ
Is resistance 0.8 - 1.85 k
Ω
?
Yes
©
GO TO 5.
No
©
GO TO 4.
4
CHECK WHEEL SENSOR
Check resistance of each sensor. (See NOTE)
Resistance: 0.8 - 1.85 k
Ω
SBR761DE
Is resistance 0.8 - 1.85 k
Ω
?
Yes
©
Repair harness and connectors between control unit connector and wheel sensor con-
nector.
No
©
Replace wheel sensor.
5
CHECK TIRE
Check for inflation pressure, wear and size of each tire.
Are tire pressure and size correct and is tire wear within specifications?
Yes
©
GO TO 6.
No
©
Adjust tire pressure or replace tire(s).
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
TCS
Wheel Sensor or Rotor (Cont’d)
BR-108
6
CHECK WHEEL BEARING
Check wheel bearing axial end play.
Check clearance between sensor and rotor.
Clearance:
Front
0.273 - 0.925 mm (0.0107 - 0.0364 in)
Rear
0.387 - 0.992 mm (0.0152 - 0.0391 in)
SBR605AA
SBR069CA
Is axial end play and clearance within specifications?
Yes
©
GO TO 7.
No
©
Clean sensor fixing portion, or replace sensor.
7
CHECK SENSOR ROTOR
Check sensor rotor for teeth damage.
Is sensor rotor free from damage?
Yes
©
Check control unit pin terminals for damage or the connection of control unit harness
connector. Reconnect control unit harness connector. Then retest.
No
©
Replace sensor rotor.
GI
MA
EM
LC
EC
FE
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
TCS
Wheel Sensor or Rotor (Cont’d)
BR-109
ABS Actuator Solenoid Valve
=NHBR0063
DIAGNOSTIC PROCEDURE
NHBR0063S01
Malfunction code No. 41, 45, 51, 55, 42, 46, 52, 56
1
INSPECTION START
ABS actuator solenoid valve inspection
SBR334EB
©
GO TO 2.
2
CHECK CONNECTOR
1. Disconnect connectors from control unit, ABS actuator and ABS solenoid valve relay. Check terminals for damage or
loose connections. Then reconnect connectors.
2. Carry out self-diagnosis again.
Does warning lamp activate again?
Yes
©
GO TO 3.
No
©
INSPECTION END
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
TCS
ABS Actuator Solenoid Valve
BR-110
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