control INFINITI FX35 2004 Service Manual

LAN-94
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2004 November 2004 FX35/FX45
CHECK SHEET
NOTE:
If “NG” is displayed on “INITIAL DIAG (Initial diagnosis)” or “CAN COMM” for the diagnosed control unit,
replace the control unit.
PKIA7962E

CAN SYSTEM (TYPE 3)
LAN-97
[CAN]
C
D
E
F
G
H
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J
L
MA
B
LAN
Revision: 2004 November 2004 FX35/FX45
CHECK SHEET RESULTS (EXAMPLE)
NOTE:
If “NG” is displayed on “INITIAL DIAG (Initial diagnosis)” or “CAN COMM” for the diagnosed control unit,
replace the control unit.
Case 1
Check harness between TCM and data link connector. Refer to LAN-116, "Circuit Check Between TCM and
Data Link Connector" .
PKIA9132E
SKIA6584E

CAN SYSTEM (TYPE 3)
LAN-99
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2004 November 2004 FX35/FX45
Case 3
Check harness between unified meter and A/C amp. and ABS actuator and electric unit (control unit). Refer to
LAN-117, "
Circuit Check Between Unified Meter and A/C Amp. and ABS Actuator and Electric Unit (Control
Unit)" .
PKIA7966E
SKIA6586E

LAN-100
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2004 November 2004 FX35/FX45
Case 4
Check harness between ABS actuator and electric unit (control unit) and driver seat control unit. Refer to LAN-
11 8 , "Circuit Check Between ABS Actuator and Electric Unit (Control Unit) and Driver Seat Control Unit" .
PKIA7967E
SKIA6587E

CAN SYSTEM (TYPE 3)
LAN-103
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2004 November 2004 FX35/FX45
Case 7
Check display control unit circuit. Refer to LAN-120, "Display Control Unit Circuit Check" .
PKIA7970E
SKIA6590E

LAN-104
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2004 November 2004 FX35/FX45
Case 8
Check low tire pressure warning control unit circuit. Refer to LAN-120, "Low Tire Pressure Warning Control
Unit Circuit Check" .
PKIA7971E
SKIA6591E

LAN-112
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2004 November 2004 FX35/FX45
Case 16
Check ABS actuator and electric unit (control unit) circuit. Refer to LAN-124, "ABS Actuator and Electric Unit
(Control Unit) Circuit Check" .
PKIA7979E
SKIA6599E

CAN SYSTEM (TYPE 3)
LAN-113
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2004 November 2004 FX35/FX45
Case 17
Check driver seat control unit circuit. Refer to LAN-125, "Driver Seat Control Unit Circuit Check" .
PKIA7980E
SKIA6600E

CAN SYSTEM (TYPE 3)
LAN-117
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2004 November 2004 FX35/FX45
Circuit Check Between Data Link Connector and Unified Meter and A/C Amp.AKS00C0H
1. CHECK HARNESS FOR OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Disconnect ECM connector and unified meter and A/C amp. connector.
4. Check continuity between data link connector M5 terminals 6
(L), 14 (R) and unified meter and A/C amp. harness connector
M55 terminals 1 (L), 11 (R).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to
LAN-92, "
Work Flow" .
NG >> Repair harness.
Circuit Check Between Unified Meter and A/C Amp. and ABS Actuator and Elec-
tric Unit (Control Unit)
AKS00C0I
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check following terminals and connectors for damage, bend and loose connection (connector side and
harness side).
–Harness connector M41
–Harness connector E211
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect unified meter and A/C amp. connector and harness connector M41.
2. Check continuity between unified meter and A/C amp. harness
connector M55 terminals 1 (L), 11 (R) and harness connector
M41 terminals 15G (L), 14G (R).
OK or NG
OK >> GO TO 3.
NG >> Repair harness.6 (L) - 1 (L) : Continuity should exist.
14 (R) - 11 (R) : Continuity should exist.
SKIA6862E
1 (L) - 15G (L) : Continuity should exist.
11 (R) - 14G (R) : Continuity should exist.
SKIA6863E

LAN-118
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2004 November 2004 FX35/FX45
3. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ABS actuator and electric unit (control unit) connector.
2. Check continuity between harness connector E211 terminals
15G (L), 14G (R) and ABS actuator and electric unit (control
unit) harness connector E56 terminals 11 (L), 15 (R).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to
LAN-92, "
Work Flow" .
NG >> Repair harness.
Circuit Check Between ABS Actuator and Electric Unit (Control Unit) and Driver
Seat Control Unit
AKS00C0J
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check following terminals and connectors for damage, bend and loose connection (connector side and
harness side).
–Harness connector E205
–Harness connector B5
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 and harness connector E205.
2. Check continuity between ABS actuator and electric unit (control
unit) harness connector E56 terminals 11 (L), 15 (R) and har-
ness connector E205 terminals 3 (L), 10 (R).
OK or NG
OK >> GO TO 3.
NG >> Repair harness.15G (L) - 11 (L) : Continuity should exist.
14G (R) - 15 (R) : Continuity should exist.
SKIA6864E
11 (L) - 3 (L) : Continuity should exist.
15 (R) - 10 (R) : Continuity should exist.
SKIA6880E