NISSAN X-TRAIL 2005 Service Repair Manual

CAN SYSTEM (TYPE 9)
LAN-167
[CAN]
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3. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect steering angle sensor connector.
2. Check the following.
–LHD models
 Check continuity between harness connector M75 terminals 14
(W), 5 (R) and steering angle sensor harness connector M81
terminals 4 (W), 5 (R).
–RHD models
 Check continuity between harness connector M75 terminals 9
(W), 2 (R) and steering angle sensor harness connector M81
terminals 4 (W), 5 (R).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to
LAN-159, "
Work Flow" .
NG >> Repair harness.
ECM Circuit InspectionEKS00NLD
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check following terminals and connectors for damage, bend and loose connection (control module side
and harness side).
–ECM connector
–Harness connector M75
–Harness connector E116
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.14 (W) - 4 (W) : Continuity should exist.
5 (R) - 5 (R) : Continuity should exist.
PKIC0347E
9 (W) - 4 (W) : Continuity should exist.
2 (R) - 5 (R) : Continuity should exist.
PKIC0348E

LAN-168
[CAN]
CAN SYSTEM (TYPE 9)

2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ECM connector.
2. Check resistance between ECM harness connector M118 termi-
nals 95 (G/R) and 87 (GY/R).
OK or NG
OK >> Replace ECM.
NG >> Repair harness between ECM and ESP/TCS/ABS con-
trol unit.
ESP/TCS/ABS Control Unit Circuit InspectionEKS00NLE
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of ESP/TCS/ABS control unit for damage, bend and loose connection
(control unit side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ESP/TCS/ABS control unit connector.
2. Check resistance between ESP/TCS/ABS control unit harness
connector E122 terminals 61 (W) and 63 (R).
OK or NG
OK >> Replace ESP/TCS/ABS control unit.
NG >> Repair harness between ESP/TCS/ABS control unit and
harness connector E116.
Steering Angle Sensor Circuit InspectionEKS00NLF
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of steering angle sensor for damage, bend and loose connection (sensor
side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.95 (G/R) - 87 (GY/R) : Approx. 108 - 132 Ω
SKIB0120E
61 (W) - 63 (R) : Approx. 54 - 66 Ω
PKIA9632E

CAN SYSTEM (TYPE 9)
LAN-169
[CAN]
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2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect steering angle sensor connector.
2. Check resistance between steering angle sensor harness con-
nector M81 terminals 4 (W) and 5 (R).
OK or NG
OK >> Replace steering angle sensor.
NG >> Repair harness between steering angle sensor and har-
ness connector M75.
Combination Meter Circuit InspectionEKS00NLH
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of combination meter for damage, bend and loose connection (meter side
and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect combination meter connector.
2. Check resistance between combination meter harness connec-
tor M44 terminals 22 (W) and 23 (R).
OK or NG
OK >> Replace combination meter.
NG >> Repair harness between combination meter and steer-
ing angle sensor.
CAN Communication Circuit InspectionEKS00NLI
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check following terminals and connectors for damage, bend and loose connection (control module side,
control unit side, sensor side, meter side, connector side and harness side).
–ECM
–ESP/TCS/ABS control unit
–Steering angle sensor
–Combination meter
–Between ECM and combination meter
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.4 (W) - 5 (R) : Approx. 54 - 66 Ω
SKIA6870E
22 (W) - 23 (R) : Approx. 108 - 132 Ω
SKIA9780E

LAN-170
[CAN]
CAN SYSTEM (TYPE 9)

2. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect ECM connector and harness connector M75.
2. Check continuity between ECM harness connector M118 termi-
nals 95 (G/R) and 87 (GY/R).
OK or NG
OK >> GO TO 3.
NG >> Repair harness between ECM and harness connector
M75.
3. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between ECM harness connector M118 terminals
95 (G/R), 87 (GY/R) and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness between ECM and harness connector
M75.
4. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect ESP/TCS/ABS control unit connector.
2. Check continuity between ESP/TCS/ABS control unit harness
connector E122 terminals 61 (W) and 63 (R).
OK or NG
OK >> GO TO 5.
NG >> Repair harness between ESP/TCS/ABS control unit and
harness connector E116.
5. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between ESP/TCS/ABS control unit harness con-
nector E122 terminals 61 (W), 63 (R) and ground.
OK or NG
OK >> GO TO 6.
NG >> Repair harness between ESP/TCS/ABS control unit and
harness connector E116. 95 (G/R) - 87 (GY/R) : Continuity should not exist.
SKIB0120E
95 (G/R) - Ground : Continuity should not exist.
87 (GY/R) - Ground : Continuity should not exist.
SKIB0121E
61 (W) - 63 (R) : Continuity should not exist.
PKIA9632E
61 (W) - Ground : Continuity should not exist.
63 (R) - Ground : Continuity should not exist.
PKIA9633E

CAN SYSTEM (TYPE 9)
LAN-171
[CAN]
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6. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–Steering angle sensor connector
–Combination meter connector
2. Check continuity between combination meter harness connector
M44 terminals 22 (W) and 23 (R).
OK or NG
OK >> GO TO 7.
NG >> Check the following harness. If any harness is dam-
aged, repair the harness.

Harness between combination meter and steering
angle sensor

Harness between combination meter and harness
connector M75
7. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between combination meter harness connector
M44 terminals 22 (W), 23 (R) and ground.
OK or NG
OK >> GO TO 8.
NG >> Check the following harness. If any harness is dam-
aged, repair the harness.

Harness between combination meter and steering
angle sensor

Harness between combination meter and harness connector M75
8. CHECK ECM AND COMBINATION METER INTERNAL CIRCUIT
Check components inspection. Refer to LAN-171, "
CHECK ECM AND COMBINATION METER INTERNAL
CIRCUIT" .
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to LAN-159, "Work Flow" .
NG >> Replace ECM and/or combination meter.
Component InspectionEKS00NLJ
CHECK ECM AND COMBINATION METER INTERNAL CIRCUIT

Remove ECM and combination meter from vehicle.

Check resistance between ECM terminals 95 and 87.

Check resistance between combination meter terminals 22 and
23.22 (W) - 23 (R) : Continuity should not exist.
SKIA9780E
22 (W) - Ground : Continuity should not exist.
23 (R) - Ground : Continuity should not exist.
SKIA9980E
Unit TerminalResistance (Ω)
(Approx.)
ECM 95 - 87
108 - 132
Combination meter 22 - 23
PKIA0830E

LAN-172
[CAN]
CAN SYSTEM (TYPE 9)

PG-1
POWER SUPPLY, GROUND & CIRCUIT ELEMENTS
K ELECTRICAL
CONTENTS
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SECTION PG
A
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PG

POWER SUPPLY, GROUND & CIRCUIT ELEMENTS
POWER SUPPLY ROUTING ...................................... 2
Schematic ................................................................ 2
Wiring Diagram — POWER — ................................. 3
BATTERY POWER SUPPLY — IGNITION SW.
IN ANY POSITION ................................................ 3
ACCESSORY POWER SUPPLY — IGNITION
SW. IN “ACC” OR “ON” ......................................... 7
IGNITION POWER SUPPLY — IGNITION SW.
IN “ON” AND/OR “START” .................................... 8
Fuse ....................................................................... 12
Fusible Link ............................................................ 12
Circuit Breaker ....................................................... 12
GROUND .................................................................. 13
Ground Distribution ................................................ 13
MAIN HARNESS/LHD MODELS ........................ 13
MAIN HARNESS/RHD MODELS ........................ 16
ENGINE ROOM HARNESS/LHD MODELS ....... 19
ENGINE ROOM HARNESS/RHD MODELS ....... 21
ENGINE ROOM HARNESS ................................ 23
ENGINE CONTROL HARNESS/GASOLINE
ENGINE MODELS .............................................. 24
ENGINE CONTROL HARNESS/DIESEL
ENGINE MODELS .............................................. 25
BODY HARNESS/LHD MODELS ....................... 26
BODY HARNESS/RHD MODELS ....................... 27
BODY NO. 2 HARNESS/LHD MODELS ............. 28
BODY NO. 2 HARNESS/RHD MODELS ............ 29
ROOM LAMP HARNESS .................................... 30
BACK DOOR SUB HARNESS/REAR WINDOW
DEFOGGER HARNESS ..................................... 31
HARNESS ................................................................. 32
Harness Layout ...................................................... 32
HOW TO READ HARNESS LAYOUTS ............... 32
OUTLINE/LHD MODELS .................................... 33
OUTLINE/RHD MODELS .................................... 34
MAIN HARNESS/LHD MODELS ........................ 35MAIN HARNESS/RHD MODELS ........................ 37
ENGINE ROOM HARNESS/LHD MODELS ........ 39
ENGINE ROOM HARNESS/RHD MODELS ....... 45
ENGINE CONTROL HARNESS .......................... 51
BODY HARNESS/LHD MODELS ....................... 56
BODY HARNESS/RHD MODELS ....................... 57
BODY NO. 2 HARNESS/LHD MODELS ............. 58
BODY NO. 2 HARNESS/RHD MODELS ............. 59
ROOM LAMP HARNESS .................................... 60
FRONT DOOR HARNESS/LHD MODELS .......... 61
FRONT DOOR HARNESS/RHD MODELS ......... 62
REAR DOOR HARNESS .................................... 63
BACK DOOR HARNESS .................................... 64
Wiring Diagram Codes (Cell Codes) ...................... 65
ELECTRICAL UNITS LOCATION ............................ 69
Electrical Units Location ......................................... 69
ENGINE COMPARTMENT .................................. 69
PASSENGER COMPARTMENT/LHD MODELS ... 70
PASSENGER COMPARTMENT/RHD MODELS ... 72
HARNESS CONNECTOR ......................................... 74
Description .............................................................. 74
HARNESS CONNECTOR (TAB-LOCKING
TYPE) .................................................................. 74
HARNESS CONNECTOR (SLIDE-LOCKING
TYPE) .................................................................. 75
ELECTRICAL UNITS ................................................ 76
Terminal Arrangement ............................................ 76
STANDARDIZED RELAY .......................................... 77
Description .............................................................. 77
NORMAL OPEN, NORMAL CLOSED AND
MIXED TYPE RELAYS ........................................ 77
TYPE OF STANDARDIZED RELAYS ................. 77
FUSE BLOCK - JUNCTION BOX (J/B) .................... 79
Terminal Arrangement ............................................ 79
FUSE AND FUSIBLE LINK BOX .............................. 80
Terminal Arrangement ............................................ 80

PG-2
POWER SUPPLY ROUTING

POWER SUPPLY ROUTING PFP:00011
Schematic EKS00322
TKWB1779E

POWER SUPPLY ROUTING
PG-3
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Wiring Diagram — POWER — EKS00323
BATTERY POWER SUPPLY — IGNITION SW. IN ANY POSITION
TKWA1634E

PG-4
POWER SUPPLY ROUTING

TKWA1635E