Infiniti EX35. Manual — part 338
C1147, C1148, C1149, C1150 USV/HSV LINE
BRC-67
< COMPONENT DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
3.
CHECK SOLENOID, VDC SWITCH-OVER VALVE AND ACTUATOR RELAY GROUND CIRCUIT
Check the continuity between ABS actuator and electric unit (control unit) harness connector and ground.
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit).
NO
>> Repair or replace damaged parts.
Component Inspection
INFOID:0000000003132949
1.
CHECK ACTIVE TEST
1.
Select each test menu item on ”ACTIVE TEST“.
2.
On the display, touch “Up”, “ACT UP”, and “ACT KEEP”, and check that the system operates as shown in
the table below.
*: On for 1 to 2 seconds after the touch, and then Off.
NOTE:
A brief moment of On/Off condition occurs every 20 seconds after ignition switch turned ON. This is not malfunction because it is
an operation for checking.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to diagnosis procedure. Refer to
.
Special Repair Requirement
INFOID:0000000003430146
1.
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
Always perform the neutral position adjustment for the steering angle sensor, when replacing the ABS actua-
tor and electric unit (control unit). Refer to
BRC-8, "ADJUSTMENT OF STEERING ANGLE SENSOR NEU-
ABS actuator and electric unit (control unit)
—
Continuity
Connector
Terminal
E41
1
Ground
Existed
4
Test item
Display item
Display (Note)
Up
ACT UP
ACT KEEP
FR RH ABS SOLENOID
(ACT)
FR RH IN SOL
Off
Off
Off
FR RH OUT SOL
Off
Off
Off
USV[FR-RL]
Off
On
On
HSV[FR-RL]
Off
On*
Off
FR LH ABS SOLENOID
(ACT)
FR LH IN SOL
Off
Off
Off
FR LH OUT SOL
Off
Off
Off
USV[FL-RR]
Off
On
On
HSV[FL-RR]
Off
On*
Off
RR RH ABS SOLENOID
(ACT)
RR RH IN SOL
Off
Off
Off
RR RH OUT SOL
Off
Off
Off
USV[FL-RR]
Off
On
On
HSV[FL-RR]
Off
On*
Off
RR LH ABS SOLENOID
(ACT)
RR LH IN SOL
Off
Off
Off
RR LH OUT SOL
Off
Off
Off
USV[FR-RL]
Off
On
On
HSV[FR-RL]
Off
On*
Off
BRC-68
< COMPONENT DIAGNOSIS >
[VDC/TCS/ABS]
C1147, C1148, C1149, C1150 USV/HSV LINE
>> END
C1154 PNP SWITCH
BRC-69
< COMPONENT DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
C1154 PNP SWITCH
Description
INFOID:0000000003441473
The ABS actuator and electric unit (control unit) and TCM exchange signals via the CAN communication line.
DTC Logic
INFOID:0000000003441474
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
DTC REPRODUCTION PROCEDURE
1.
Turn the ignition switch ON.
2.
Perform ABS actuator and electric unit (control unit) self-diagnosis.
Is DTC “C1154” detected?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003441475
1.
CHECK CONNECTOR
1.
Turn the ignition switch OFF.
2.
Disconnect ABS actuator and electric unit (control unit) connector.
3.
Check terminal for deformation, disconnection, looseness, etc.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace or repair damaged parts.
2.
CHECK TCM
Perform TCM self-diagnosis.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
3.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Perform ABS actuator and electric unit (control unit) self-diagnosis.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace damaged parts.
Component Inspection
INFOID:0000000003441476
1.
CHECK EACH SWITCH
Select “SLCT LVR POSI” in “DATA MONITOR” and check gear position signal.
DTC
Display item
Malfunction detected condition
Possible cause
C1154
PNP POSI SIG
TCM internal malfunction or ABS actuator and electric
unit (control unit) internal malfunction.
• Harness or connector
• ABS actuator and electric unit
(control unit)
• TCM
Gear position
SLCT LVR POSI
(DATA MONITOR)
P
P
R
R
BRC-70
< COMPONENT DIAGNOSIS >
[VDC/TCS/ABS]
C1154 PNP SWITCH
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to diagnosis procedure. Refer to
.
Special Repair Requirement
INFOID:0000000003441477
1.
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
Always perform the neutral position adjustment for the steering angle sensor, when replacing the ABS actua-
tor and electric unit (control unit). Refer to
BRC-8, "ADJUSTMENT OF STEERING ANGLE SENSOR NEU-
>> END
N
N
D
D
Gear position
SLCT LVR POSI
(DATA MONITOR)
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