2006 INFINITI QX56 sensor

LAN-102
[CAN]
CAN SYSTEM (TYPE 4)
Revision: November 20092006 QX56
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 harness between TCM and ICC sensor. Refer to LAN-123, "Inspection Between TCM and ICC Sensor
Circuit" .
PKIC3540E
PKIC3035E

CAN SYSTEM (TYPE 4)LAN-103
[CAN]
C
DE
F
G H
I
J
L
M A
B
LAN
Revision: November 2009 2006 QX56
Case 2
Check harness between ICC sensor and ICC unit. Refer to LAN-125, "Inspection Between ICC Sensor and
ICC Unit Circuit" .
PKIC3541E
PKIC3036E

CAN SYSTEM (TYPE 4)LAN-109
[CAN]
C
DE
F
G H
I
J
L
M A
B
LAN
Revision: November 2009 2006 QX56
Case 8
Check ICC sensor circuit. Refer to LAN-129, "ICC Sensor Circuit Inspection" .
PKIC3547E
PKIC3042E

LAN-116
[CAN]
CAN SYSTEM (TYPE 4)
Revision: November 20092006 QX56
Case 15
Check steering angle sensor circuit. Refer to LAN-133, "Steering Angle Sensor Circuit Inspection" .
PKIC3554E
PKIC3049E

TROUBLE DIAGNOSIS FOR SYSTEMLAN-123
[CAN]
C
DE
F
G H
I
J
L
M A
B
LAN
Revision: November 2009 2006 QX56
TROUBLE DIAGNOSIS FOR SYSTEMPFP:00000
Inspection Between TCM and ICC Sensor CircuitUKS004TB
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 F14
–Harness connector E5
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect A/T assembly connector and harness connector F14.
2. Check continuity between A/T assembly harness connector (A) and harness connector (B).
OK or NG
OK >> GO TO 3.
NG >> Repair harness.
3. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ICC sensor connector.
2. Check continuity between harness connector (A) and ICC sen- sor 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.
AB Continuity
Connector Terminal Connector Terminal
F9 3
F14 5 Yes
81 5Yes
PKIC3825E
AB
Continuity
Connector Terminal Connector Terminal
E5 5
E42 2 Yes
15 3Yes
PKIC3836E

TROUBLE DIAGNOSIS FOR SYSTEMLAN-125
[CAN]
C
DE
F
G H
I
J
L
M A
B
LAN
Revision: November 2009 2006 QX56
4. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect harness connector B37.
2. Check continuity between harness connector (A) and 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.
Inspection Between ICC Sensor and ICC Unit CircuitUKS004TD
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 E34
–Harness connector B40
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ICC sensor connector and harness connector E34.
2. Check continuity between ICC sensor harness connector (A) and harness connector (B).
OK or NG
OK >> GO TO 3.
NG >> Repair harness.
AB Continuity
Connector Terminal Connector Terminal
B40 24
B37 15 Yes
23 14Yes
PKIC3828E
AB
Continuity
Connector Terminal Connector Terminal
E42 2
E34 24 Yes
32 3Yes
PKIC3837E

TROUBLE DIAGNOSIS FOR SYSTEMLAN-129
[CAN]
C
DE
F
G H
I
J
L
M A
B
LAN
Revision: November 2009 2006 QX56
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ECM connector.
2. Check resistance between ECM harness connector terminals.
OK or NG
OK >> Replace ECM.
NG >> Repair harness between ECM and A/T assembly.
TCM Circuit InspectionUKS004TJ
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 ter- minals.
OK or NG
OK >> Replace control valve with TCM.
NG >> Repair harness between A/T assembly and harness connector F14.
ICC Sensor Circuit InspectionUKS004TX
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of ICC sensor for damage, bend and loose connection (sensor side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
ECM connector TerminalResistance
(Approx.)
E16 9486 108 – 132 Ω
PKIA9860E
A/T assembly
connector TerminalResistance
(Approx.)
F9 38 54 – 66 Ω
SKIA6866E

LAN-130
[CAN]
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: November 20092006 QX56
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ICC sensor connector.
2. Check resistance between ICC sensor harness connector termi- nals.
OK or NG
OK >> Replace ICC sensor.
NG >> Repair harness between ICC sensor and harness con- nector E34.
ICC Unit Circuit InspectionUKS004TY
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of ICC unit 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 ICC unit connector.
2. Check resistance between ICC unit harness connector termi- nals.
OK or NG
OK >> Replace ICC unit.
NG >> Repair harness between ICC unit and harness connec- tor B34.
Driver Seat Control Unit Circuit InspectionUKS004TL
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 unit side and harness side).
–Driver seat control unit connector
–Harness connector P1
–Harness connector B37
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
ICC sensor connector TerminalResistance
(Approx.)
E42 23 54 – 66 Ω
PKIC3840E
ICC unit
connector TerminalResistance
(Approx.)
B13 145 54 – 66 Ω
PKIC3841E