Nissan Pathfinder. Manual — part 257
C1145, C1146 YAW RATE/SIDE/DECEL G SENSOR
BRC-87
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
YES
>> Replace yaw rate/side/decel G sensor. Refer to
BRC-123, "Removal and Installation"
NO
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-123, "Removal and Installa-
.
BRC-88
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C1155 BRAKE FLUID LEVEL SWITCH
C1155 BRAKE FLUID LEVEL SWITCH
DTC Logic
INFOID:0000000009177299
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAGNOSTIC RESULT
With CONSULT.
1. Turn ignition switch OFF to ON and wait 1 minute or more.
2. Perform self-diagnostic result.
Is DTC C1155 detected?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009177300
Regarding Wiring Diagram information, refer to
1.
CHECK BRAKE FLUID LEVEL
1. Turn the ignition switch OFF.
2. Check brake fluid level. Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Refill brake fluid. Refer to
2.
CONNECTOR INSPECTION
1. Turn ignition switch OFF.
2. Disconnect combination meter connector M24 and brake fluid level switch connector E21.
3. Check connectors and terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace as necessary.
3.
CHECK BRAKE FLUID LEVEL SWITCH
Check brake fluid level switch. Refer to
BRC-89, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace reservoir tank. Refer to
BR-29, "Disassembly and Assembly"
.
4.
CHECK BRAKE FLUID LEVEL SWITCH CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect brake fluid level switch harness connector.
3. Disconnect combination meter harness connector.
4. Check continuity between brake fluid level switch harness connector and combination meter harness con-
nector.
DTC
Display Item
Malfunction detected condition
Possible causes
C1155
BR FLUID LEVEL LOW
When brake fluid level low signal is detected.
• Harness or connector
• ABS actuator and electric unit
(control unit)
• Brake fluid level switch
• Combination meter
C1155 BRAKE FLUID LEVEL SWITCH
BRC-89
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
5. Check continuity between brake fluid level switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace malfunctioning components.
5.
CHECK BRAKE FLUID LEVEL SWITCH GROUND CIRCUIT
Check continuity between brake fluid level switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace malfunctioning components.
6.
CHECK COMBINATION METER
Check if indication and operation of combination meter are normal. Refer to
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-123, "Removal and Installa-
.
NO
>> Replace combination meter. Refer to
MWI-82, "Removal and Installation"
Component Inspection
INFOID:0000000009177301
1.
CHECK BRAKE FLUID LEVEL SWITCH
1. Turn the ignition switch OFF.
2. Disconnect brake fluid level switch harness connector.
3. Check continuity between terminals of brake fluid level switch.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace reservoir tank. Refer to
BR-29, "Disassembly and Assembly"
.
Brake fluid level switch
Combination meter
Continuity
Connector
Terminal
Connector
Terminal
E21
1
M24
25
Yes
Brake fluid level switch
—
Continuity
Connector
Terminal
E21
1
Ground
No
Brake fluid level switch
—
Continuity
Connector
Terminal
E21
2
Ground
Yes
Brake fluid level switch
Condition
Continuity
Terminal
1 – 2
When brake fluid level in reservoir tank is within the specified level.
No
When brake fluid level in reservoir tank is less than the specified
level.
Yes
BRC-90
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C1160 DECEL G SEN SET
C1160 DECEL G SEN SET
DTC Logic
INFOID:0000000009177302
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAGNOSTIC RESULT
With CONSULT.
1. Turn ignition switch OFF to ON.
2. Perform self-diagnostic result.
Is DTC C1160 detected?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009177303
1.
DECEL G SENSOR CALIBRATION
Perform decel G sensor calibration. Refer to
>> GO TO 2.
2.
CHECK SELF-DIAGNOSTIC RESULT
With CONSULT.
Perform self-diagnostic result.
Is DTC C1160 detected?
YES
>> GO TO 3.
NO
>> Inspection End.
3.
CHECK YAW RATE/SIDE/DECEL G SENSOR SYSTEM
Check yaw rate/side/decel G sensor system. Refer to
.
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-123, "Removal and Installa-
.
NO
>> Repair or replace malfunctioning components.
DTC
Display Item
Malfunction detected condition
Possible causes
C1160
DECEL G SEN SET
When calibration of yaw rate/side/decel G sensor is
not complete.
• Yaw rate/side/decel G sensor
• Harness or connector
• ABS actuator and electric unit
(control unit)
• Decel G sensor calibration is
not performed
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