NISSAN X-TRAIL 2005 Service Repair Manual

CAN SYSTEM (TYPE 6)
LAN-127
[CAN]
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5. CHECK HARNESS FOR SHORT CIRCUIT
LHD models
1. Check continuity between TCM harness connector F46 termi-
nals 5 (G/R), 6 (GY/R) and ground.
2. Check continuity between harness connector M61 terminals 21
(L/R), 8 (B/W) and ground.
RHD models

Check continuity between TCM harness connector F46 termi-
nals 5 (G/R), 6 (GY/R) and ground.
OK or NG
OK >> GO TO 6.
NG >>

LHD models
Check the following harness. If any harness is dam-
aged, repair the harness.
–Harness between TCM and harness connector F41
–Harness between harness connector M61 and harness connector M75

RHD models
–Repair harness between TCM and harness connector F36. 5 (G/R) - Ground : Continuity should not exist.
6 (GY/R) - Ground : Continuity should not exist.
SKIB0099E
21 (L/R) - Ground : Continuity should not exist.
8 (B/W) - Ground : Continuity should not exist.
SKIB0100E
5 (G/R) - Ground : Continuity should not exist.
6 (GY/R) - Ground : Continuity should not exist.
SKIB0099E

LAN-128
[CAN]
CAN SYSTEM (TYPE 6)

6. CHECK HARNESS FOR SHORT CIRCUIT
LHD models
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).
RHD models
1. Disconnect ESP/TCS/ABS control unit connector and harness connector E116.
2. Check continuity between ESP/TCS/ABS control unit harness
connector E122 terminals 61 (W) and 63 (R).
OK or NG
OK >> GO TO 7.
NG >> Repair harness between ESP/TCS/ABS control unit and
harness connector E116.
7. 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 8.
NG >> Repair harness between ESP/TCS/ABS control unit and
harness connector E116. 61 (W) - 63 (R) : Continuity should not exist.
PKIA9632E
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 6)
LAN-129
[CAN]
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8. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–Steering angle sensor connector
–4WD control unit 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 9.
NG >> Check the following harness. If any harness is dam-
aged, repair the harness.

Harness between combination meter and 4WD con-
trol unit

Harness between combination meter and steering
angle sensor

Harness between combination meter and harness connector M75
9. 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 10.
NG >> Check the following harness. If any harness is dam-
aged, repair the harness.

Harness between combination meter and 4WD con-
trol unit

Harness between combination meter and steering angle sensor

Harness between combination meter and harness connector M75
10. CHECK ECM AND COMBINATION METER INTERNAL CIRCUIT
Check components inspection. Refer to LAN-129, "
CHECK ECM AND COMBINATION METER INTERNAL
CIRCUIT" .
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to LAN-107, "Work Flow" .
NG >> Replace ECM and/or combination meter.
Component InspectionEKS00LVY
CHECK ECM AND COMBINATION METER INTERNAL CIRCUIT

Remove ECM and combination meter from vehicle.

Check resistance between ECM terminals 94 and 86.

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 94 - 86
108 - 132
Combination meter 22 - 23
PKIA0830E

LAN-130
[CAN]
CAN SYSTEM (TYPE 7)

CAN SYSTEM (TYPE 7)PFP:23710
System DescriptionEKS00NKZ
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
Component Parts and Harness Connector LocationEKS00NL0
SKIB0327E

CAN SYSTEM (TYPE 7)
LAN-131
[CAN]
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Wiring Diagram — CAN —EKS00NL1
TKWB1884E

LAN-132
[CAN]
CAN SYSTEM (TYPE 7)

TKWB1885E

CAN SYSTEM (TYPE 7)
LAN-133
[CAN]
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Work FlowEKS00NL2
1. Print all the data of “SELF-DIAG RESULTS” for “ENGINE” and “ABS” displayed on CONSULT-II.
2. Print all the data of “CAN DIAG SUPPORT MNTR” for “ENGINE” and “ABS” displayed on CONSULT-II.
3. Attach the printed sheet of “SELF-DIAG RESULTS” and “CAN DIAG SUPPORT MNTR” onto the check
sheet. Refer to LAN-134, "
CHECK SHEET" .
4. Based on the results of “CAN DIAG SUPPORT MNTR”, put a check marks onto the items with “NG” or
“UNKWN” in the check sheet table. Refer to LAN-134, "
CHECK SHEET" .
NOTE:

If a check mark is put on “NG” on “INITIAL DIAG (Initial diagnosis)”, replace the control unit.

The “CAN DIAG SUPPORT MNTR” items, which are not in check sheet table, are not related to diag-
nostic procedure on service manual.
So it is not necessary to check the status of the “CAN DIAG SUPPORT MNTR” items not in check
sheet table.
5. According to the check sheet results (example), start inspection. Refer to LAN-135, "
CHECK SHEET
RESULTS (EXAMPLE)" .
PKIA8260E
PKIA8343E

LAN-134
[CAN]
CAN SYSTEM (TYPE 7)

CHECK SHEET
NOTE:
If a check mark is put on “NG” on “INITIAL DIAG (Initial diagnosis)”, replace the control unit.
PKIC0307E

CAN SYSTEM (TYPE 7)
LAN-135
[CAN]
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CHECK SHEET RESULTS (EXAMPLE)
NOTE:
If a check mark is put on “NG” on “INITIAL DIAG (Initial diagnosis)”, replace the control unit.
Case 1
Check ECM circuit. Refer to LAN-138, "ECM Circuit Inspection" .
PKIC0311E
PKIA7561E

LAN-136
[CAN]
CAN SYSTEM (TYPE 7)

Case 2
Check ABS actuator and electric unit (control unit) circuit. Refer to LAN-138, "ABS Actuator and Electric Unit
(Control Unit) Circuit Inspection" .
PKIC0312E
PKIA7562E