NISSAN X-TRAIL 2005 Service Repair Manual

TROUBLE DIAGNOSIS
BRC-93
[ESP/TCS/ABS]
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MA
B
BRC

Inspection 2 Engine SystemEFS005W7
INSPECTION PROCEDURE
1. SELF-DIAGNOSTIC RESULT CHECK 1
Check the self-diagnostic results.
Are any items other than above indicated in the self-diagnosis results?
YES >> Repair or replace affected items.
NO >> GO TO 2.
2. SELF-DIAGNOSTIC RESULT CHECK 2
1. Perform the ECM self-diagnosis and repair or replace affected items, then perform the ECM self-diagno-
sis again.
2. Perform the ESP/TCS/ABS control unit self-diagnosis again.
Is inspection result OK?
YES >> INSPECTION END
NO >> Repair or replace affected items. Perform the self-diagnosis again.
Inspection 3 ESP/TCS/ABS Control Unit SystemEFS005W8
INSPECTION PROCEDURE
1. SELF-DIAGNOSTIC RESULT CHECK
Check the self-diagnostic results.
Are any items other than
“CONTROLLER FAILURE” indicated in the self-diagnosis results?
YES >> Repair or replace affected items. Perform the self-diagnosis again.
NO >> Replace ESP/TCS/ABS control unit and perform ESP/TCS/ABS control unit self-diagnosis again.
Inspection 4 Pressure Sensor and the Circuit between Pressure Sensor and
ESP/TCS/ABS Control Unit.
EFS005W9
INSPECTION PROCEDURE
1. SELF-DIAGNOSTIC RESULT CHECK 1
Check the self-diagnostic results.
Is
“ PRESS SEN CIRCUIT” indicated in the self-diagnosis results?
>> GO TO 2.
Self-diagnostic results
ENGINE SYSTEM 1
ENGINE SYSTEM 2
ENGINE SYSTEM 3
ENGINE SYSTEM 4
ENGINE SYSTEM 6
Self-diagnostic results
CONTROLLER FAILURE
Self-diagnostic results
PRESS SEN CIRCUIT

BRC-94
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS

2. SELF-DIAGNOSTIC RESULT CHECK 2
1. Disconnect connectors of pressure sensor and ESP/TCS/ABS control unit, and connect them again cor-
rectly.
2. Perform ESP/TCS/ABS control unit self-diagnosis again.
Is inspection result OK?
YES >> Repair or replace the poorly connected connector, then perform the self-diagnosis again.
NO >> GO TO 3.
3. PRESSURE SENSOR CIRCUIT INSPECTION
1. Disconnect connectors of pressure sensor and ESP/TCS/
ABS control unit.
2. Check for continuity between ESP/TCS/ABS control unit and
pressure sensor (harness connector E67).
Is inspection result OK?
YES >> GO TO 4.
NO >> Repair or replace the disconnected harness.
4. PRESSURE SENSOR INSPECTION
Check the “PRESS SENSOR” value in “DATA MONITOR”.
Is inspection result OK?
YES >> Perform ESP/TCS/ABS control unit self-diagnosis again.
NO >> Pressure sensor malfunction. Replace ESP actuator (with the pressure sensor).
SFIA2192E
ESP/TCS/ABS control unit
(harness connector E122)Pressure sensor
(ESP actuator harness connector E67)Continuity
69 (P/L) 30 (P/L)
Ye s 68 (L/OR) 31 (L/OR)
67 (G/B) 32 (G/B)
Condition PRESS SENSOR (Data monitor)
Brake pedal depressed Positive value
Brake pedal released Approx. 0 bar

TROUBLE DIAGNOSIS
BRC-95
[ESP/TCS/ABS]
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BRC

Inspection 5 Steering Angle Sensor and Circuit between Steering Angle Sensor
and ESP/TCS/ABS Control Unit.
EFS005WA
INSPECTION PROCEDURE
1. SELF-DIAGNOSTIC RESULT CHECK 1
Check the self-diagnostic results.
Perform the inspection 15.
Refer to BRC-109, "
Inspection 15 CAN Communication Circuit, ESP/TCS/ABS Control Unit and Steering
Angle Sensor" .
Is
“ST ANG SEN CIRCUIT” indicated in the self-diagnosis results.
>> GO TO 2.
2. SELF-DIAGNOSTIC RESULT CHECK 2
1. Repair or replace the poorly connected connector
–Check connector housing for disconnect, loose, bent and collapse terminals
If any malfunction are detected, repair or replace the applicable part.
2. Perform the ESP/TCS/ABS control unit self-diagnosis again.
Is inspection result OK?
YES >> INSPECTION END
NO >> GO TO 3.
Self-diagnostic results
ST ANGLE SEN CIRCUIT

BRC-96
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS

3. STEERING ANGLE SENSOR CIRCUIT CHECK
1. Disconnect ESP/TCS/ABS control unit connector and steering angle sensor connector.
2. Check for continuity between ESP/TCS/ABS control unit and
steering angle sensor (harness connector M81).
3. Check for the continuity between the steering angle sensor and
ground.
Is inspection result OK?
YES >> GO TO 4.
NO >> Repair or replace the disconnected harness.
4. DATA MONITOR CHECK
Perform the “STR ANGLE SIG” value in “DATA MONITOR” and check that it is in normal condition.
Is inspection result OK?
YES >> Perform the ESP/TCS/ABS control unit self-diagnosis again.
NO >> Replace the spiral cable (with the steering angle sensor) and adjust the neutral position of steer-
ing angle sensor. BRC-52, "
Adjustment of Steering Angle Sensor Neutral Position" .
SFIA2032E
ESP/TCS/ABS control unit
(harness connector E122)Steering angle sensor
(harness connector M81)Continuity
2 (Y/R) 3 (Y/R) Yes
SFIA2033E
Steering angle sensor
(harness connector M81)ground Continuity
2 (B/R) — Yes
Steering condition STR ANGLE SIG (Data monitor)
Straight-ahead – 5 ° to + 5 °
Turn the wheel to the right by 90°Approx. + 90 °
Turn the wheel to the left by 90°Approx. – 90 °

TROUBLE DIAGNOSIS
BRC-97
[ESP/TCS/ABS]
C
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B
BRC

Inspection 6 Yaw Rate/Side G sensor and the Circuit between Yaw Rate/Side G
sensor and ESP/TCS/ABS Control Unit.
EFS005WB
INSPECTION PROCEDURE
1. SELF-DIAGNOSTIC RESULT CHECK 1
Check the self-diagnostic results.
CAUTION:
When vehicle on a turn-table at an entrance of parking lot or on a moving unit, ESP OFF indicator
lamp turns ON, and the self-diagnosis with CONSULT-II may indicate that yaw rate sensor system is
malfunction. In this case, yaw rate sensor is not malfunction. Move the vehicle from the turn-table or
other moving unit, and restart the engine. This will return the status normal.
Are
“ YAW RATE SENSOR ” and “ SIDE G-SEN CIRCUIT ” indicated in the self-diagnosis results.
YES >> GO TO 2.
NO >> INSPECTION END
2. SELF-DIAGNOSTIC RESULT CHECK 2
1. Disconnect connectors of yaw rate/side G sensor and ESP/TCS/
ABS control unit.
2. Check for continuity between ESP/TCS/ABS control unit and
yaw rate/side G sensor.
Is inspection result OK?
YES >> GO TO 3.
NO >> Repair or replace the disconnected harness.
Self-diagnostic results
YAW RATE SEN
SIDE G-SEN CIRCUIT
SFIA2180E
ESP/TCS/ABS control unit
(harness connector E122)Yaw rate/side G-sensor
(harness connector B112)Continuity
78 (L/B) 1 (L/B)
Ye s 77 (Y/B) 2 (Y/B)
34 (OR) 3 (OR)
79 (LG/R) 4 (LG/R)
18 (GY/L) 5 (GY/L)
80 (W/R) 6 (W/R)

BRC-98
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS

3. YAW RATE SENSOR/SIDE G SENSOR CIRCUIT CHECK
Check that “YAW RATE SEN” and “SIDE G-SENSOR” are in normal operation in “DATA MONITOR”.
Is inspection result OK?
YES >> Perform ESP/TCS/ABS control unit self-diagnosis again.
NO >> The yaw rate/side G sensor malfunction. After replacing the sensor, perform the self-diagnosis of
ESP/TCS/ABS control unit again.
Inspection 7 Solenoid Valve, ESP Switch-over Solenoid Valve and CircuitEFS005WC
INSPECTION PROCEDURE
1. SELF-DIAGNOSTIC RESULT CHECK 1
Check the self-diagnostic results.
Are any self-diagnosis result items above indicated?
YES >> GO TO 2.
NO >> INSPECTION END
2. SELF-DIAGNOSTIC RESULT CHECK 2
1. Disconnect ESP/TCS/ABS control unit connector and solenoid valve connectors. Securely connect them
again.
2. Perform the self-diagnosis again.
Are any self-diagnosis result items indicated again?
YES >> GO TO 3.
NO >> Repair or replace the poorly connected connector.Vehicle statusYAW R AT E S E N
(DATA MONITOR) SIDE G-SENSOR
(DATA MONITOR)
While the vehicle is stopped
– 4 to + 4 °/s
–1.1 to + 1.1 m/s
2
Right turn Negative value Negative value
Left turn Positive value Positive value
Self-diagnostic results
FR LH IN ABS SOL
FR LH OUT ABS SOL
RR RH IN ABS SOL
RR RH OUT ABS SOL
FR RH IN ABS SOL
FR RH OUT ABS SOL
RR LH IN ABS SOL
RR LH OUT ABS SOL
USV LINE [FL-RR]
USV LINE [FR-RL]
HSV LINE [FL-RR]
HSV LINE [FR-RL]

TROUBLE DIAGNOSIS
BRC-99
[ESP/TCS/ABS]
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B
BRC

3. SOLENOID VALVE INPUT SIGNAL CHECK.
1. Disconnect ESP/TCS/ABS control unit connector.
2. Turn ignition switch ON and check the voltage between ESP/
TCS/ABS control unit and body ground.
Is inspection result OK?
YES >> Check ESP/TCS/ABS control unit power supply circuit.
NO >> GO TO 4.
SFIA2193E
ESP/TCS/ABS control unit
(harness connector E122)Body ground Voltage
26 (W/G)
– Battery voltage (approx.12V) 5 (G/OR)
6 (PU/W)
53 (P)
55 (R/Y)
3 (Y/G)
4 (GY/R)
25 (LG)
49 (B/W)
50 (R/G)
54 (W/L)
52 (PU)

BRC-100
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS

4. SOLENOID VALVE LINE CHECK
1. Disconnect connectors for ESP/TCS/ABS control unit and ESP actuator.
2. Check for continuity between ESP/TCS/ABS control unit and
ESP actuator (harness connector E67and E68).
Is inspection result OK?
YES >> GO TO 5.
NO >> Harness disconnection between ESP/TCS/ABS control unit and the ESP actuator
SFIA2194E
ESP/TCS/ABS control unit
(harness connector E122)ESP actuator
(harness connector E67 and E68)Continuity
26 (W/G) 3 (W/G)
Ye s 5 (G/OR) 1 (G/OR)
6 (PU/W) 7 (PU/W)
53 (P) 5 (P)
55 (R/Y) 15 (R/Y)
3 (Y/G) 14 (Y/G)
4 (GY/R) 17 (GY/R)
25 (LG) 16 (LG)
49 (B/W) 26 (B/W)
50 (R/G) 25 (R/G)
54 (W/L) 28 (W/L)
52 (PU) 27 (PU)

TROUBLE DIAGNOSIS
BRC-101
[ESP/TCS/ABS]
C
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B
BRC

5. ACTUATOR SOLENOID INSPECTION
1. Disconnect ESP actuator connector and ESP relay box harness connector.
2. Check the resistance value at ESP actuator.
Is inspection result OK?
YES >> Perform ESP/TCS/ABS control unit self-diagnosis again.
NO >> Replace ESP actuator assembly.
Inspection 8 Actuator Motor, Motor Relay and CircuitEFS005WD
INSPECTION PROCEDURE
1. SELF-DIAGNOSTIC RESULT CHECK 1
Check the self-diagnostic results.
NOTE:
“ACTUATOR RLY” on the CONSULT-II self-diagnosis results indicates the malfunction of the actuator relay
and circuit.
Are
“PUMP MOTOR” and “ACTUATOR RLY” (NOTE) indicated in the self-diagnosis results?
YES >> GO TO 2.
NO >> INSPECTION END
SFIA2181E
ESP Actuator
(Actuator side)ESP Relay box
(harness connector E57)Resistance
3(W/G)
406.0 – 11Ω 1(G/OR)
7(PU/W)
5(P)
26(B/W)
25(R/G)
15(R/Y)
3.0 – 5.0Ω 14(Y/G)
17(GY/R)
16(LG)
28(W/L)
27(PU)
Self-diagnostic results
PUMP MOTOR
ACTUATOR RLY (NOTE)

BRC-102
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS

2. SELF-DIAGNOSTIC RESULT CHECK 2
1. Disconnect connectors for ESP/TCS/ABS control unit and the actuator. Securely connect them again.
2. Perform the self-diagnosis again.
Are any self-diagnosis items indicated again?
YES >> GO TO 3.
NO >> Repair or replace the poorly connected connector.
3. ACTUATOR MOTOR, MOTOR RELAY POWER SUPPLY CIRCUIT INSPECTION
1. Disconnect relay box harness connectors.
2. Check the voltage between the harness connector E55 and
body ground.
Is inspection result OK?
YES >> GO TO 4.
NO >>

Check the fuse 50A.

Check for the continuity between battery and relay box terminal No. 10.
4. ACTUATOR MOTOR AND MOTOR RELAY CIRCUIT CHECK
1. Disconnect connectors for ESP/TCS/ABS control unit and the
relay box.
2. Check for continuity between ESP/TCS/ABS control unit, the
relay.
Is inspection result OK?
YES >> GO TO 5.
NO >> Harness malfunction between ESP/TCS/ABS control unit, the ESP relay box.
5. MOTOR RELAY UNIT INSPECTION
Check the motor relay as a unit.
Is inspection result OK?
YES >> Check ESP/TCS/ABS control unit power supply circuit.
NO >> Replace the motor relay.
SFIA2206E
ESP Relay box
(harness connector E55)Body ground Voltage value
10 (W/R) – Battery voltage (approx. 12V)
ESP/TCS/ABS
control unit
(harness
connector E122)ESP relay box
(harness
connector
E56and E57)Continuity
20 (R/B) 4 (R/B)
Ye s
7 (G/W) 8 (G/W)
SFIA2182E