seat INFINITI FX35 2004 Service Manual

CAN SYSTEM (TYPE 5)
LAN-199
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2004 November 2004 FX35/FX45
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 E56 terminals 11 (L) and 15 (R).
OK or NG
OK >> Replace ABS actuator and electric unit (control unit).
NG >> Repair harness between ABS actuator and electric unit
(control unit) and harness connector E205.
Driver Seat Control Unit Circuit CheckAKS00C24
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 (control unit side and
harness side).
–Driver seat control unit connector
–Harness connector B151
–Harness connector B8
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect driver seat control unit connector.
2. Check resistance between driver seat control unit harness con-
nector B152 terminals 14 (OR) and 15 (SB).
OK or NG
OK >> Replace driver seat control unit.
NG >> Repair harness between driver seat control unit and har-
ness connector B5. 11 (L) - 15 (R) : Approx. 54 - 66Ω
SKIA6872E
14 (OR) - 15 (SB) : Approx. 54 - 66Ω
SKIA6882E

LAN-200
[CAN]
CAN SYSTEM (TYPE 5)
Revision: 2004 November 2004 FX35/FX45
IPDM E/R Circuit CheckAKS00C25
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 (control module side
and harness side).
–IPDM E/R connector
–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 IPDM E/R connector.
2. Check resistance between IPDM E/R harness connector E9 ter-
minals 48 (L) and 49 (R).
OK or NG
OK >> Replace IPDM E/R.
NG >> Repair harness between IPDM E/R and harness con-
nector B8.
CAN Communication Circuit CheckAKS00C26
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 (control module side,
unit side, control unit side, sensor side, meter side and harness side).
–ECM
–A/T assembly
–Display unit
–AWD control unit
–BCM
–Steering angle sensor
–Unified meter and A/C amp.
–ABS actuator and electric unit (control unit)
–Driver seat control unit
–IPDM E/R
–Between ECM and IPDM E/R
–Between ECM and A/T assembly
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.48 (L) - 49 (R) : Approx. 108 - 132Ω
SKIA6873E

LAN-204
[CAN]
CAN SYSTEM (TYPE 5)
Revision: 2004 November 2004 FX35/FX45
10. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect driver seat control unit connector.
2. Check continuity between driver seat control unit harness con-
nector B152 terminals 14 (OR) and 15 (SB).
OK or NG
OK >> GO TO 11.
NG >> Repair harness between driver seat control unit and har-
ness connector B151.
11 . CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between driver seat control unit harness connector
B152 terminals 14 (OR), 15 (SB) and ground.
OK or NG
OK >> GO TO 12.
NG >> Repair harness between driver seat control unit and har-
ness connector B151.
12. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check continuity between IPDM E/R harness connector E9 ter-
minals 48 (L) and 49 (R).
OK or NG
OK >> GO TO 13.
NG >> Repair harness between IPDM E/R and harness con-
nector E205.
13. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between IPDM E/R harness connector E9 termi-
nals 48 (L), 49 (R) and ground.
OK or NG
OK >> GO TO 14.
NG >> Repair harness between IPDM E/R and harness con-
nector E205. 14 (OR) - 15 (SB) : Continuity should not exist.
SKIA6882E
14 (OR) - Ground : Continuity should not exist.
15 (SB) - Ground : Continuity should not exist.
SKIA6883E
48 (L) - 49 (R) : Continuity should not exist.
SKIA6873E
48 (L) - Ground : Continuity should not exist.
49 (R) - Ground : Continuity should not exist.
SKIA6879E

CAN SYSTEM (TYPE 6)
LAN-219
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
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-
239, "Circuit Check Between ABS Actuator and Electric Unit (Control Unit) and Driver Seat Control Unit" .
PKIA8029E
SKIA6633E

CAN SYSTEM (TYPE 6)
LAN-233
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2004 November 2004 FX35/FX45
Case 18
Check driver seat control unit circuit. Refer to LAN-246, "Driver Seat Control Unit Circuit Check" .
PKIA8043E
SKIA6647E

CAN SYSTEM (TYPE 6)
LAN-239
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
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-211, "
Work Flow" .
NG >> Repair harness.
Circuit Check Between ABS Actuator and Electric Unit (Control Unit) and Driver
Seat Control Unit
AKS00C2H
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

LAN-246
[CAN]
CAN SYSTEM (TYPE 6)
Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ICC sensor connector.
2. Check resistance between ICC sensor harness connector E39
terminals 3 (L) and 6 (R).
OK or NG
OK >> Replace ICC sensor.
NG >> Repair harness between ICC sensor and ABS actuator
and electric unit (control unit).
ABS Actuator and Electric Unit (Control Unit) Circuit CheckAKS00C2U
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery 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 E56 terminals 11 (L) and 15 (R).
OK or NG
OK >> Replace ABS actuator and electric unit (control unit).
NG >> Repair harness between ABS actuator and electric unit
(control unit) and ICC sensor.
Driver Seat Control Unit Circuit CheckAKS00C2V
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 (control unit side and
harness side).
–Driver seat control unit connector
–Harness connector B151
–Harness connector B8
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.3 (L) - 6 (R) : Approx. 54 - 66Ω
SKIA6888E
11 (L) - 15 (R) : Approx. 54 - 66Ω
SKIA6872E

CAN SYSTEM (TYPE 6)
LAN-247
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect driver seat control unit connector.
2. Check resistance between driver seat control unit harness con-
nector B152 terminals 14 (OR) and 15 (SB).
OK or NG
OK >> Replace driver seat control unit.
NG >> Repair harness between driver seat control unit and har-
ness connector B5.
IPDM E/R Circuit CheckAKS00C2W
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 (control module side
and harness side).
–IPDM E/R connector
–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 IPDM E/R connector.
2. Check resistance between IPDM E/R harness connector E9 ter-
minals 48 (L) and 49 (R).
OK or NG
OK >> Replace IPDM E/R.
NG >> Repair harness between IPDM E/R and harness con-
nector B8. 14 (OR) - 15 (SB) : Approx. 54 - 66Ω
SKIA6882E
48 (L) - 49 (R) : Approx. 108 - 132Ω
SKIA6873E

LAN-248
[CAN]
CAN SYSTEM (TYPE 6)
Revision: 2004 November 2004 FX35/FX45
CAN Communication Circuit CheckAKS00C2X
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 (control module side,
control unit side, unit side, sensor side, meter side and harness side).
–ECM
–A/T assembly
–Display control unit
–AWD control unit
–Low tire pressure warning control unit
–ICC unit
–Intelligent Key unit
–BCM
–Steering angle sensor
–Unified meter and A/C amp.
–ICC sensor
–ABS actuator and electric unit (control unit)
–Driver seat control unit
–IPDM E/R
–Between ECM and IPDM E/R
–Between ECM and A/T assembly
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.

LAN-252
[CAN]
CAN SYSTEM (TYPE 6)
Revision: 2004 November 2004 FX35/FX45
9. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between harness connector B5 terminals 3 (L), 10
(R) and ground.
OK or NG
OK >> GO TO 10.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.

Harness between harness connector B5 and harness
connector B5

Harness between harness connector B5 and harness connector B8
10. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect driver seat control unit connector.
2. Check continuity between driver seat control unit harness con-
nector B152 terminals 14 (OR) and 15 (SB).
OK or NG
OK >> GO TO 11.
NG >> Repair harness between driver seat control unit and har-
ness connector B151.
11 . CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between driver seat control unit harness connector
B152 terminals 14 (OR), 15 (SB) and ground.
OK or NG
OK >> GO TO 12.
NG >> Repair harness between driver seat control unit and har-
ness connector B151.
12. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check continuity between IPDM E/R harness connector E9 ter-
minals 48 (L) and 49 (R).
OK or NG
OK >> GO TO 13.
NG >> Repair harness between IPDM E/R and harness con-
nector E205. 3 (L) - Ground : Continuity should not exist.
10 (R) - Ground : Continuity should not exist.
SKIA6878E
14 (OR) - 15 (SB) : Continuity should not exist.
SKIA6882E
14 (OR) - Ground : Continuity should not exist.
15 (SB) - Ground : Continuity should not exist.
SKIA6883E
48 (L) - 49 (R) : Continuity should not exist.
SKIA6873E