Page 2926 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual BRC-112
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS
4. WHEEL SENSOR INSPECTION
Check the wheel sensor system.
Sensor mounting inspection
Sensor pick-up inspection for iron chips
Sensor rotor inspection (e.g. NISSAN X-TRAIL 2003 Service Repair Manual BRC-112
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS
4. WHEEL SENSOR INSPECTION
Check the wheel sensor system.
Sensor mounting inspection
Sensor pick-up inspection for iron chips
Sensor rotor inspection (e.g.](/manual-img/5/57404/w960_57404-2925.png)
BRC-112
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS
4. WHEEL SENSOR INSPECTION
Check the wheel sensor system.
Sensor mounting inspection
Sensor pick-up inspection for iron chips
Sensor rotor inspection (e.g. Number of teeth, damaged teeth)
Sensor connector engagement inspection
Is inspection result OK?
YES >> Normal
NO >> Wheel sensor and rotor lines repair
Symptom 4: ABS Does Not Work.EFS001AV
Inspection procedure
1. ABS WARNING LAMP INDICATOR INSPECTION
Check that the ABS warning lamp illuminates.
Does the ABS warning lamp illuminate?
YES >> Perform the self-diagnosis.
NO >> GO TO 2.
2. WHEEL SENSOR INSPECTION
Check the wheel sensor system.
Sensor mounting inspection
Sensor pick-up inspection for iron chips
Sensor rotor inspection (e.g. Number of teeth, damaged teeth)
Sensor connector engagement inspection
Is inspection result OK?
YES >> Normal
NO >> Wheel sensor and rotor lines repair
Symptom 5: Pedal Vibration and NoiseEFS001AW
Inspection procedure
1. SYMPTOM CHECK
Check the brake system for pedal vibration or noise when engine starts.
Is inspection result OK?
YES >> Perform the self-diagnosis.
NO >> GO TO 2.
2. SYMPTOM CHECK 2
Check the brake system for pedal vibration or noise when pedal is depressed lightly (just put a foot on).
CAUTION:
Under the following driving conditions, the wheel speed will fluctuates, resulting in ABS activation.
When shifting gears
High speed cornering
When a gust of wind
Is inspection result OK?
YES >> GO TO 3.
NO >> Normal
Page 3028 of 4179
SRS-24
TROUBLE DIAGNOSIS
Trouble Diagnosis without CONSULT-IIEHS000OA
DIAGNOSTIC PROCEDURE 4
CAUTION:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1. Turn ignition switch ON.
2. After “AIR BAG” warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.
3. Wait more than 3 seconds.
4. Repeat the steps 1 to 3 two times.
5. Turn ignition switch ON.
6. Compare the number of flashes to Air Bag Warning Lamp Flash Code.
7. Turn the ignition switch OFF, and disconnect both battery cables.
8. Repair the system as outlined by the “REPAIR ORDER” in “Warning Lamp Flash Code Chart” that corre-
sponds to flash code.
9. After the repairing of malfunction, connect both battery cables, and turn the ignition switch ON.
10. Check that no malfunction is detected.
Page 3680 of 4179
DI-2 WARNING CHIME ..................................................... 54
System Description ................................................. 54
POWER SUPPLY AND GROUND CIRCUIT ....... 54
LIGHT WARNING CHIME ................................... 54
SEAT BELT WARNING CHIME ........................... 54
KEY REMINDER WARNING CHIME [FOR RHD
MODELS] ............................................................ 54
Wiring Diagram — CHIME —/LHD Models ............ 55Wiring Diagram — CHIME —/RHD Models ............ 56
Symptom Chart ....................................................... 58
Power Supply and Ground Circuit Inspection ......... 58
Front Door Switch (driver side) Inspection .............. 59
Lighting Switch Input Signal Inspection .................. 60
CLOCK ...................................................................... 61
Wiring Diagram — CLOCK — ................................. 61
Page 3732 of 4179

DI-54
WARNING CHIME
WARNING CHIMEPFP:24814
System DescriptionEKS002XF
POWER SUPPLY AND GROUND CIRCUIT
Power is supplied at all times
to combination switch terminal 11 and
to daytime light control unit terminal 1 (with daytime light system)
through 10A fuse (No. 31, located in fuse and fusible link box), and
to key switch terminal 1 (RHD models) and
to time control unit terminal 1
through 10A fuse [No. 28, located in the fuse block (J/B)].
With ignition switch in ON or START position, power is supplied
to time control unit terminal 17
through 10A fuse [No. 5, located in the fuse block (J/B)].
Ground is supplied
to time control unit terminal 16
through grounds M27 and M70.
LIGHT WARNING CHIME
With ignition switch OFF position, driver's door open, and lighting switch in 1ST or 2ND position, warning
chime will sound. Power is supplied
from the lighting switch terminal 12 or daytime light control unit terminal 11 (with daytime light system)
to time control unit terminal 19.
Ground is supplied
to time control unit terminal 30
through front door switch (driver side) terminal 2.
Front door switch (driver side) terminal 3 is grounded through grounds B8 and B18.
SEAT BELT WARNING CHIME
When the vehicle speed exceeds 25 km/h (16 MPH) with driver side or passenger seat belt unfastened (seat
belt switch ON), warning chime will sound. Refer to SB-6, "
SEAT BELT WARNING SYSTEM" .
KEY REMINDER WARNING CHIME [FOR RHD MODELS]
Key reminder chime will sound, at the same time, key reminder system will start operating.
When the following three conditions are simultaneously met.
Key is inserted in the ignition key cylinder.
Driver`s door is opened.
The setting of driver`s door lock knob is “LOCK”.
For information regarding key reminder system, refer to BL-43, "
Key reminder system" in BL section.
Page 3736 of 4179

DI-58
WARNING CHIME
Symptom ChartEKS002XQ
Power Supply and Ground Circuit InspectionEKS002YF
1. CHECK FUSES
Check for blown time control unit fuses.
OK or NG
OK >> GO TO 2
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
75, "FUSE BLOCK - JUNCTION BOX (J/B)"
2. CHECK POWER SUPPLY CIRCUIT
Check voltage between time control unit connector and ground.
OK or NG
OK >> GO TO 3
NG >> Repair harness or connector.
3. CHECK GROUND CIRCUIT
Check continuity between time control unit harness connector M30
terminal 16 (B/R) and ground.
OK or NG
OK >> INSPECTION END
NG >> Repair harness or connector.
Symptom Diagnoses/Service procedure
Light warning chime does not activate.Perform the following inspections.
1.DI-58, "
Power Supply and Ground Circuit Inspection"
2.DI-59, "Front Door Switch (driver side) Inspection"
3.DI-60, "Lighting Switch Input Signal Inspection"
Replace time control unit, found normal function in the above.inspections.
Key reminder warning chime does not activate. Perform key reminder system trouble diagnosis.
Refer to BL-54, "
SYMPTOM CHART" .
Seat belt warning chime does not activate.Perform seat belt warning system trouble diagnosis.
Refer to SB-16, "
Trouble Diagnosis Chart by Symptom" .
Unit Power source Fuse No
Time control unitBattery 28 (10A)
Ignition switch (ON) 5 (10A)
Terminals Ignition switch position
(+)
(–) OFF ON
Connector Terminal (Wire color)
M30 1 (L) Ground Battery voltage Battery voltage
M31 17 (G) Ground 0V Battery voltage
SKIA9645E
Continuity should exist.
SKIA9646E
Page 3738 of 4179

DI-60
WARNING CHIME
Lighting Switch Input Signal Inspection EKS002XU
1. CHECK LIGHTING SWITCH INPUT SIGNAL
Check voltage between time control unit harness connector M31 ter-
minal 19(R/L) and ground.
OK or NG
OK >> Lighting switch is OK.
NG >>
GO TO 2 (without daytime light control unit).
GO TO 3 (with daytime light control unit).
2. CHECK LIGHTING SWITCH CIRCUIT (WITHOUT DAYTIME LIGHT SYSTEM)
1. Disconnect time control unit connector and combination switch connector.
2. Check continuity between time control unit harness connector
M31 terminal 19 (R/L) and combination switch harness connec-
tor E110 terminal 12 (R/L).
3. Check continuity between time control unit harness connector
M31 terminal 19 (R/L) and ground.
OK or NG
OK >> Check combination switch. Refer to LT- 6 4 , "COMBINA-
TION SWITCH" .
NG >> Repair harness or connector.
3. CHECK LIGHTING SWITCH CIRCUIT (WITH DAYTIME LIGHT SYSTEM)
1. Disconnect time control unit connector and daytime light control unit connector.
2. Check continuity between time control unit harness connector
M31 terminal 19 (R/L) and daytime light control unit harness
connector E115 terminal 11 (R/L).
3. Check continuity between time control unit harness connector
M31 terminal 19 (R/L) and ground.
OK or NG
OK >> Check daytime light control unit. Refer to LT- 2 0 , "HEAD-
LAMP - DAYTIME LIGHT SYSTEM -" .
NG >> Repair harness or connector.Lighting switch (1st or 2nd position) : Approx.12 V
Lighting switch (OFF) : Approx. 0 V
SKIA0996E
Continuity should exist.
Continuity should not exist.
SKIA9653E
Continuity should exist.
Continuity should not exist.
SKIA9654E
Page 3773 of 4179

TIME CONTROL UNIT
BCS-3
C
D
E
F
G
H
I
J
L
MA
B
BCS
TIME CONTROL UNITPFP:28491
DescriptionEKS002ZU
OUTLINE
The time control unit totally controls the following body electrical system operations.
Power door lock
Warning chime
Rear window defogger
Interior lamp
Seat belt warning
INPUT/OUTPUT
System Input Output
Power door lockDoor lock and unlock switch
Door switches
Door unlock sensor
Door key cylinder switch (driver side)Door lock actuators
Warning chimeKey switch (Insert)
Ignition switch (ON)
Lighting switch (1st)
Front door switch (driver side)
Door unlock sensorWarning chime (located in time control unit)
Rear window defoggerIgnition switch (ON)
Rear window defogger switchRear window defogger relay
Interior lampDoor switches
Door unlock sensor
Ignition switch (ON)
Key switch (Insert)Interior lamp
Seat belt warningSeat belt buckle switch (driver side)
Seat belt buckle switch (passenger side)
Combination meter (vehicle speed signal)Warning chime (located in time control unit)
Combination meter (Seat belt warning lamp)
Page 3776 of 4179

BCS-6
TIME CONTROL UNIT
15 W/GSeat belt warning lamp
(passenger side)Seat belt warning lamp (passenger
side) is illuminated (seat belt is unfas-
tened).12V
Seat belt warning lamp (passenger
side) is not illuminated (seat belt is
unfastened).0V
16 B/R Ground — 0V
17 G Ignition switch (ON) — 12V
18 W/L Ignition key switch (Insert)Key inserted → key removed from Igni-
tion key cylinder12V → 0V
19 R/L Lighting switch 1ST, 2ND position: ON → OFF 12V → 0V
20 GY Door lock/unlock switch Neutral → Locked 5V → 0V
21 BR/WSeat belt buckle switch
(driver side)Seat belt buckle switch (driver side) is
unfastened.*20V
Seat belt buckle switch (driver side) is
fastened.*212V
22 G/ORSeat belt buckle switch
(passenger side)Seat belt buckle switch (passenger
side) is unfastened.0V
Seat belt buckle switch (passenger
side) is fastened.12V
23 PU Door lock/unlock switchNeutral → Door lock/Unlock switch is
pushed.5V → 0V
24 LG/RDoor key cylinder switch
(driver side)OFF (neutral) → ON (locked) 5V → 0V
25 GY/LDoor key cylinder switch
(driver side)OFF (neutral) → ON (unlocked) 5V → 0V
26 R/Y Interior room lampWhen interior room lamp is operated
using remote controller
(Lamp switch is “DOOR” position.)12V → 0V
27 G/W Rear window defogger relayOFF → ON
(Ignition key is “ON” position.)12V → 0V
28 Y/G Door unlock sensor (driver side) Driver door: Locked → Unlocked 10V → 0V
29*1 Y/LDoor unlock sensor
(passenger side)Passenger door: Locked → Unlocked 5V → 0V
30 SB Front door switch (driver side) OFF (closed) → ON (open) 5V → 0V
31 R/W Passenger and rear doors switch OFF (closed) → ON (open) 5V → 0V
32 OR Multi-remote control unitRemote controller lock button is pushed.
(Ignition switch is not “ON” position.)0V → 5V
33 P/L Multi-remote control unitRemote controller unlock button is
pushed.
(Ignition switch is not “ON” position.)0V → 5V
34 B/Y NATS release signal Ignition switch ON→OFF 0V → 5V Terminal
No.Wire
colorConnections Operation condition Voltage (Approximate values)