Nissan Primera P12. Instruction — part 147
TROUBLE DIAGNOSIS
BRC-93
[ESP/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
2.
SELF-DIAGNOSIS RESULT CHECK 2
Turn the ignition switch OFF, and ON to erase the self-diagnosis results. And perform the ESP/TCS/ABS con-
trol unit self-diagnosis again.
Is the same self-diagnosis item indicated again?
YES
>> After replacing the spiral cable (with the steering angle sensor), perform the neutral position
adjustment. Then conduct the self-diagnosis again.
NO
>> Inspection End
Inspection 14 Brake Fluid Level of Reservoir Tank, Communication Circuit
between ESP/TCS/ABS Control Unit and Brake Fluid Level Warning Switch
EFS002XK
Inspection procedure
1.
SELF-DIAGNOSIS RESULT CHECK 1
Check the self-diagnosis results.
Does the brake warning light turn on?
YES
>> Check the pad for wear. Check the brake fluid for leakage.
NO
>> GO TO 2.
2.
SELF-DIAGNOSIS RESULT CHECK 2
1.
Disconnect connectors for the brake fluid level warning switch and the ESP/TCS/ABS control unit.
2.
Securely connect connectors. Perform the ESP/TCS/ABS control unit self-diagnosis again.
Is the same self-diagnosis item indicated again?
YES
>> Poor connection of connector. Repair or replace the poorly connected connector.
NO
>> GO TO 3.
3.
CIRCUIT CHECK BETWEEN BRAKE FLUID LEVEL WARNING SWITCH AND ESP/TCS/ABS CON-
TROL UNIT
1.
Disconnect connectors for the brake fluid level warning switch
and the ESP/TCS/ABS control unit.
2.
Check for continuity between the brake fluid level warning switch harness connector and the ESP/TCS/
ABS control unit harness connector.
Is inspection result OK?
OK
>> Perform the ESP/TCS/ABS control unit self-diagnosis again.
NG
>> Repair or replace the disconnected harness.
Self-diagnosis results
CONSULT-II indication item
BR FLUID LEVEL LOW
SFIA0388E
ESP/TCS/ABS control unit
harness connector
Brake fluid level warning switch
harness connector
Continuity
40 (Y/G)
1 (Y/G)
Yes
BRC-94
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS
Inspection 15 CAN Communication Circuit, ESP/TCS/ABS Control Unit and
Steering Angle Sensor
EFS002XL
Inspection procedure
1.
SELF-DIAGNOSIS RESULT CHECK 1
Check the self-diagnosis results.
Are any items other than above indicated in self-diagnosis results?
YES
>> Repair or replace affected items.
NO
>> GO TO 2.
2.
CHECK HARNESS AND CONNECTORS BETWEEN ESP/TCS/ABS CONTROL UNIT AND STEERING
ANGLE SENSOR.
1.
Turn the ignition switch OFF, and disconnect the battery nega-
tive terminal.
2.
Disconnect the ESP/TCS/ABS control unit connector and the
steering angle sensor connector.
3.
Check the harness between the ESP/TCS/ABS control unit and
the steering angle sensor for open and short circuit.
4.
Check connectors for the control unit and the sensor.
–
Check the connector housing for disconnected, loose, bent, and
collapsed terminals.
Is inspection result OK?
OK
>> GO TO 3.
NG
>> Repair disconnected harness or poorly connected connectors. GO TO 3.
3.
SELF-DIAGNOSIS RESULT CHECK 2
1.
Connect connectors to the control unit and the sensor.
2.
Connect the battery negative terminal, and turn the ignition switch ON.
3.
After erasing the self-diagnosis result, start the engine to perform the self-diagnosis again.
Is only
″
ST ANGLE SEN COM CIR
″
indicated in the self-diagnosis results?
YES
>> Replace the spiral cable (with the steering angle sensor) and adjust the neutral position of the
steering angle sensor. Refer to
BRC-37, "Adjustment of Neutral Position of Steering Angle Sen-
.
NO
>> GO TO 4.
Self-diagnosis results
CONSULT-II indication item
CAN COMM CIRCUIT
ST ANG SEN COM CIR
SFIA0389E
ESP/TCS/ABS control unit
harness connector
Steering angle sensor
harness connector
Continuity
2 (B)
3 (B)
Yes
61 (L)
4 (L)
Yes
63 (R)
5 (R)
Yes
TROUBLE DIAGNOSIS
BRC-95
[ESP/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
4.
CAN COMMUNICATION SYSTEM CHECK
Check “CAN DIAG SUPPORT MNTR” of the data monitor items.
>> After printing the monitor items, go to CAN SYSTEM. Refer to
.
Component Check
EFS002XM
ESP OFF SWITCH
●
Disconnect the ESP OFF switch connector. Check for continuity
between the terminal No. 1 and No. 2.
ESP/TCS/ABS RELAY BOX
Disconnect the relay box connectors. Check for continuity, resis-
tance value, and insulation between any pair of terminals in the relay
box.
Normal
Abnormal (example)
CAN COME: OK
CAN COME: NO
CAN CIRC 1: OK
CAN CIRC 1: UNTWINE
CAN CIRC 2: UNKWN
CAN CIRC 2: UNKWN
CAN CIRC 5: OK
CAN CIRC 5: UNKWN
1 - 2
: Pressing the switch will make a continu-
ity, and releasing it will stop the continuity.
SFIA0444E
SFIA0445E
BRC-96
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS
Continuity and resistance
ESP/TCS/ABS ACTUATOR
Take each connector off from the actuator. Then check electric circulation and resistance in between termi-
nals.
CAUTION:
Confirm that the earth of actuator motor is completely removed.
SFIA0446E
SFIA0447E
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