ABS NISSAN X-TRAIL 2003 Electronic Manual PDF

BRC-62
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS
ASKING COMPLAINTS
lComplaints against a malfunction vary depending on each per-
son. It is important to clarify the customer complaints.
lAsk the customer about what symptoms are present under what
conditions. Use the information to reproduce the symptom while
driving.
lIt is also important to use the diagnosis sheet to understand
what type of trouble the customer having.
EXAMPLE OF DIAGNOSIS SHEET
SBR339B
SFIA0029E

TROUBLE DIAGNOSIS
BRC-63
[ESP/TCS/ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC
Component Parts and Harness Connector LocationEFS001A3
SFIA0338E

BRC-64
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS
Schematic
EFS001A4
TFWA0008E

TROUBLE DIAGNOSIS
BRC-65
[ESP/TCS/ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC
Wiring Diagram —ESP/TCS/ABS—EFS001A5
TFWA0010E

BRC-66
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS
TFWA0011E

TROUBLE DIAGNOSIS
BRC-67
[ESP/TCS/ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC
TFWA0012E

BRC-68
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS
TFWA0013E

TROUBLE DIAGNOSIS
BRC-69
[ESP/TCS/ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC
TFWA0014E

BRC-70
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS
TFWA0015E

TROUBLE DIAGNOSIS
BRC-71
[ESP/TCS/ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC
Control Unit Input/Output Signal StandardEFS001A6
STANDARDS USING A CIRCUIT TESTER AND OSCILLOSCOPE
CAUTION:
Connect the connectors for the ESP/TCS/ABS control unit and actuator, and turn the ignition switch
ON.
SFIA0363E
Measure-
ment termi-
nalMeasuring point Standard value (Note 1)(Reference) Check
items for malfunc-
tion
+–
1
Body
groundPower supply Ignition switch ON Battery voltage (Approx. 12V)
Control unit power
supply circuit
2Actuator motor relay,
actuator relay power
supply and steering
angle sensor power sup-
plyIgnition switch ON Battery voltage (Approx. 12V)
7 Actuator motor relayActuator motor being driven
(²Active test²mode with CON-
SULT-II)Approx. 0V
Actuator motor,
motor relay, and
circuit
Actuator motor while the vehicle
is stoppedBattery voltage (Approx. 12V)
36 Actuator relayWhen actuator relay is active.
(the engine running)Approx. 0V
Actuator relay and
circuit
When actuator relay is inactive.
(Fail-safe, engine starts.)Battery voltage (Approx. 12V)
20 Actuator motor monitorWhen actuator relay is active.
(the engine running)Battery voltage (Approx. 12V)
Actuator motor
monitor circuit
When actuator relay is inactive.
(Fail-safe, engine starts.)Approx. 0V