Infiniti G37 Coupe. Manual — part 268
BRC-46
< COMPONENT DIAGNOSIS >
[VDC/TCS/ABS]
C1115 WHEEL SENSOR
On “DATA MONITOR”, select “FR LH SENSOR”, “FR RH SENSOR”, “RR LH SENSOR”, and “RR RH SEN-
SOR”, and check the vehicle speed.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Go to diagnosis procedure. Refer to
Special Repair Requirement
INFOID:0000000001665622
1.
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
Always perform the “ST ANG SEN ADJUSTMENT” in “WORK SUPPORT”, when replacing the ABS actuator
and electric unit (control unit).
>> END
Wheel sensor
Vehicle speed (DATA MONITOR)
FR LH SENSOR
Nearly matches the speedometer dis-
play (
±
10% or less)
FR RH SENSOR
RR LH SENSOR
RR RH SENSOR
C1116 STOP LAMP SWITCH
BRC-47
< COMPONENT DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
C1116 STOP LAMP SWITCH
Description
INFOID:0000000001635072
The stop lamp switch transmits the stop lamp switch signal (ON/OFF) to the ABS actuator and electric unit
(control unit).
DTC Logic
INFOID:0000000001635073
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAGNOSIS RESULTS
Check the self-diagnosis results.
Is above displayed on the self-diagnosis display?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000001635074
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect ABS actuator and electric unit (control unit) connector.
3.
Disconnect stop lamp switch connector.
4.
Check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or
replace terminal.
5.
Reconnect connectors securely.
6.
Start engine.
7.
Repeat pumping brake pedal carefully several times, and perform self-diagnosis.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Poor connection of connector terminal. Repair or replace connector.
2.
CHECK STOP LAMP SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect stop lamp switch connector.
3.
Check continuity between stop lamp switch connector terminals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace stop lamp switch.
DTC
Display item
Malfunction detected condition
Possible cause
C1116
STOP LAMP SW
When stop lamp switch circuit is open.
• Harness or connector
• Stop lamp switch
• ABS actuator and electric unit
(control unit)
Self-diagnosis results
STOP LAMP SW
Stop lamp switch
Condition
Continuity
Connector
Terminal
E110
1 – 2 (Without ICC models)
3
−
4 (With ICC models)
Release stop lamp switch
(When brake pedal is depressed.)
Existed
Push stop lamp switch
(When brake pedal is released.)
Not existed
BRC-48
< COMPONENT DIAGNOSIS >
[VDC/TCS/ABS]
C1116 STOP LAMP SWITCH
3.
CHECK STOP LAMP SWITCH CIRCUIT
1.
Disconnect ABS actuator and electric unit (control unit) connector.
2.
Connect stop lamp switch connector.
3.
Check voltage between ABS actuator and electric unit (control unit) harness connector terminal and
ground.
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit).
NO
>> Repair or replace malfunctioning components.
Component Inspection
INFOID:0000000001635075
1.
CHECK STOP LAMP SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect stop lamp switch connector.
3.
Check continuity between stop lamp switch connector terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace stop lamp switch.
Special Repair Requirement
INFOID:0000000001635076
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
ABS actuator and electric unit (control unit)
Condition
Voltage
Connector
Terminal
E41
30
Brake pedal is depressed
Battery voltage
Brake pedal is released
Approx. 0 V
Stop lamp switch
Condition
Continuity
Connector
Terminal
E110
1 – 2 (Without ICC models)
3
−
4 (With ICC models)
Release stop lamp switch
(When brake pedal is depressed.)
Existed
Push stop lamp switch
(When brake pedal is released.)
Not existed
C1120, C1122, C1124, C1126 IN ABS SOL
BRC-49
< COMPONENT DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
C1120, C1122, C1124, C1126 IN ABS SOL
Description
INFOID:0000000001635077
The solenoid valve increases, holds or decreases the fluid pressure of each brake caliper according to the sig-
nals transmitted by the ABS actuator and electric unit (control unit).
DTC Logic
INFOID:0000000001635078
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAGNOSIS RESULTS
Check the self-diagnosis results.
Is above displayed on the self-diagnosis display?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000001635079
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect ABS actuator and electric unit (control unit) connector.
3.
Check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or
replace terminal.
4.
Reconnect connectors and then perform the self-diagnosis.
Is any item indicated on the self-diagnosis display?
YES
>> GO TO 2.
NO
>> Poor connection of connector terminal. Repair or replace connector.
2.
CHECK SOLENOID, VDC SWITCH-OVER VALVE AND ACTUATOR RELAY POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect ABS actuator and electric unit (control unit) connector.
3.
Check voltage between ABS actuator and electric unit (control unit) harness connector terminal and
ground.
DTC
Display item
Malfunction detected condition
Possible cause
C1120
FR LH IN ABS SOL
When the control unit detects a malfunction in the front
LH inlet solenoid circuit.
• ABS actuator and electric unit
(control unit)
C1122
FR RH IN ABS SOL
When the control unit detects a malfunction in the front
RH inlet solenoid circuit.
C1124
RR LH IN ABS SOL
When the control unit detects a malfunction in the rear LH
inlet solenoid circuit.
C1126
RR RH IN ABS SOL
When the control unit detects a malfunction in the rear
RH inlet solenoid circuit.
Self-diagnosis results
FR LH IN ABS SOL
FR RH IN ABS SOL
RR LH IN ABS SOL
RR RH IN ABS SOL
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст