NISSAN NAVARA 2005 Repair Workshop Manual

LAN-294
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
3.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect harness connector E101.
2. Check continuity between harness connector E8 terminals 2, 3
and harness connector E101 terminals 52G, 51G.
OK or NG
OK >> GO TO 4.
NG >> Repair harness.
4.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect harness connector M92.
2. Check continuity between harness connector (A) and harness
connector (B).
OK or NG
OK >> GO TO 5.
NG >> Repair harness.
5.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect NAVI control unit connector.
2. Check continuity between harness connector (A) and NAVI con-
trol unit harness connector (B).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to
LAN-5, "
TROUBLE DIAGNOSES WORK FLOW".
NG >> Repair harness.2 – 52G : Continuity should exist.
3 – 51G : Continuity should exist.
SKIB2809E
AB
Continuity
Connector Terminal Connector Terminal
M9152G
M9224M Yes
51G 23M Yes
SKIB6358E
AB
Continuity
Connector Terminal Connector Terminal
B10124M
B10771 Yes
23M 72 Yes
SKIB6640E

TROUBLE DIAGNOSIS FOR SYSTEM
LAN-295
[CAN]
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LAN
Inspection Between NAVI Control Unit and Data Link Connector CircuitEKS00O5H
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 (connector side and
harness side).
–Harness connector B101
–Harness connector M92
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect NAVI control unit connector and harness connector B101.
2. Check continuity between NAVI control unit harness connector
(A) and harness connector (B).
OK or NG
OK >> GO TO 3.
NG >> Repair harness.
3.CHECK HARNESS FOR OPEN CIRCUIT
Check continuity between harness connector (A) and data link con-
nector (B).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to
LAN-5, "
TROUBLE DIAGNOSES WORK FLOW".
NG >> Repair harness.
AB
Continuity
Connector Terminal Connector Terminal
B10771
B10165M Yes
72 51M Yes
SKIB6641E
AB
Continuity
Connector Terminal Connector Terminal
M9265M
M456Yes
51M 14 Yes
SKIB6361E

LAN-296
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
Inspection Between Data Link Connector and ABS Actuator and Electric Unit
(Control Unit) Circuit
EKS00O4X
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 (connector side and
harness side).
–Harness connector M3
–Harness connector E112
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect harness connector M3.
2. Check continuity between data link connector M45 terminals 6,
14 and harness connector M3 terminals 11, 10.
OK or NG
OK >> GO TO 3.
NG >> Repair harness.
3.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ABS actuator and electric unit (control unit) connector.
2. Check continuity between harness connector E112 terminals 11,
10 and ABS actuator and electric unit (control unit) harness con-
nector E63 terminals 11, 15.
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to
LAN-5, "
TROUBLE DIAGNOSES WORK FLOW".
NG >> Repair harness.6 – 11 : Continuity should exist.
14 – 10 : Continuity should exist.
SKIB2812E
11 – 11 : Continuity should exist.
10 – 15 : Continuity should exist.
SKIB2813E

TROUBLE DIAGNOSIS FOR SYSTEM
LAN-297
[CAN]
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LAN
ECM Circuit Inspection for M/T ModelsEKS00P1M
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 E101
–Harness connector M91
–Harness connector M92 (With Navigation system)
–Harness connector B101 (With Navigation system)
OK or NG
OK >>lGO TO 2 (With Navigation system).
lGO TO 3 (Without Navigation system).
NG >> Repair terminal or connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ECM connector.
2. Check resistance between ECM harness connector E20 termi-
nals 95 and 87.
OK or NG
OK >> Replace ECM.
NG >> Repair harness between ECM and NAVI control unit.
3.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ECM connector.
2. Check resistance between ECM harness connector E20 termi-
nals 95 and 87.
OK or NG
OK >> Replace ECM.
NG >> Repair harness between ECM and data link connector.95 – 87 : Approx. 108 – 132W
SKIB0120E
95 – 87 : Approx. 108 – 132W
SKIB0120E

LAN-298
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
ECM Circuit Inspection for A/T Models
EKS00O4Y
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 E9
–Harness connector F4
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ECM connector.
2. Check resistance between ECM harness connector E20 termi-
nals 95 and 87.
OK or NG
OK >> Replace ECM.
NG >> Repair harness between ECM and A/T assembly.
TCM Circuit InspectionEKS00O4Z
1.CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of A/T assembly for damage, bend and loose connection (control module
side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect A/T assembly connector.
2. Check resistance between A/T assembly harness connector
F36 terminals 3 and 8.
OK or NG
OK >> Replace control valve with TCM.
NG >> Repair harness between A/T assembly and harness
connector F2. 95 – 87 : Approx. 108 – 132W
SKIB0120E
3 – 8 : Approx. 54 – 66W
SKIA6866E

TROUBLE DIAGNOSIS FOR SYSTEM
LAN-299
[CAN]
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NAVI Control Unit Circuit InspectionEKS00PDU
1.CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of NAVI 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 NAVI control unit connector.
2. Check resistance between NAVI control unit harness connector
terminals.
OK or NG
OK >> Replace NAVI control unit.
NG >> Repair harness between NAVI control unit and harness
connector B101.
Differential Lock Control Unit Circuit InspectionEKS00PDV
1.CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of differential lock 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 differential lock control unit connector.
2. Check resistance between differential lock control unit harness
connector M107 terminals 5 and 4.
OK or NG
OK >> Replace differential lock control unit.
NG >> Repair harness between differential lock control unit and
data link connector.
NAVI control unit
connectorTerminalResistance
(Approx.)
B107 71 72 54 – 66W
SKIB4713E
5–4 :Approx.54–66W
PKIA9748E

LAN-300
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
Front Air Control Circuit Inspection
EKS00O51
1.CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of front air control for damage, bend and loose connection (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 front air control connector.
2. Check resistance between front air control harness connector
terminals.
OK or NG
OK >> Replace front air control.
NG >> Repair harness between front air control and data link
connector.
Data Link Connector Circuit InspectionEKS00O53
1.CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connector of data link connector for damage, bend and loose connection (con-
nector side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
Check resistance between data link connector M45 terminals 6 and
14.
OK or NG
OK >> Diagnose again. Refer toLAN-5, "TROUBLE DIAG-
NOSES WORK FLOW".
NG >> Repair harness between data link connector and BCM.
Front air control
connectorTerminalResistance
(Approx.)
M61orM103 41 42 54–66W
PKIC0203E
6 – 14 : Approx. 54 – 66W
SKIA6868E

TROUBLE DIAGNOSIS FOR SYSTEM
LAN-301
[CAN]
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BCM Circuit InspectionEKS00O54
1.CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of BCM for damage, bend and loose connection (control module side and
harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect BCM connector.
2. Check resistance between BCM harness connector terminals.
OK or NG
OK >> Replace BCM. Refer toBCS-17, "Removal and Installa-
tion of BCM".
NG >> Repair harness between BCM and data link connector.
Combination Meter Circuit InspectionEKS00O55
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 M23 terminals 12 and 11.
OK or NG
OK >> Replace combination meter.
NG >> Repair harness between combination meter and data
link connector.
BCM connector TerminalResistance
(Approx.)
M42 22 21 54 – 66W
PKIC0213E
12 – 11 : Approx. 54 – 66W
PKIA6837E

LAN-302
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
Transfer Control Unit Circuit Inspection
EKS00O56
1.CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of transfer 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 transfer control unit connector.
2. Check resistance between transfer control unit harness connec-
tor terminals.
OK or NG
OK >> Replace transfer control unit.
NG >> Repair harness between transfer control unit and data
link connector.
ABS Actuator and Electric Unit (Control Unit) Circuit InspectionEKS00O59
1.CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of ABS actuator and electric unit (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 ABS actuator and electric unit (control unit) connector.
2. Check resistance between ABS actuator and electric unit (con-
trol unit) harness connector E63 terminals 11 and 15.
OK or NG
OK >> Replace ABS actuator and electric unit (control unit).
NG >> Repair harness between ABS actuator and electric unit
(control unit) and IPDM E/R.
Transfer control
unit connectorTerminalResistance
(Approx.)
M105 1 2 54 – 66W
PKIC1656E
11 – 15 : Approx. 54 – 66W
SKIA6872E

TROUBLE DIAGNOSIS FOR SYSTEM
LAN-303
[CAN]
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LAN
IPDM E/R Circuit InspectionEKS00O5A
1.CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of IPDM E/R for damage, bend and loose connection (control module side
and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check resistance between IPDM E/R harness connector E17
terminals 39 and 40.
OK or NG
OK >> Replace IPDM E/R.
NG >> Repair harness between IPDM E/R and harness con-
nector E112.
CAN Communication Circuit InspectionEKS00O5B
1.CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect the harness connector for each unit on the CAN network and check terminals for deformation,
disconnection, looseness or damage.
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector as necessary.
2.CHECK HARNESS FOR SHORT CIRCUIT
With all module and control unit connectors disconnected, check
continuity between data link connector M45 terminals 6 and 14.
OK or NG
OK >> GO TO 3.
NG >>
lRepair harness.
lChange harness if shielded lines are used for the har-
ness. 39 – 40 : Approx. 108 – 132W
PKIA8141E
6 – 14 : Continuity should not exist.
SKIA6868E