Page 4035 of 5621
![INFINITI M35 2006 Factory Service Manual LAN-366
[CAN]
CAN SYSTEM (TYPE 7)
Revision: 2006 January2006 M35/M45
19. CHECK SYMPTOM
1. Fill in described symptoms on the column “Symptom” in the check sheet.
2. Connect all connectors, and then INFINITI M35 2006 Factory Service Manual LAN-366
[CAN]
CAN SYSTEM (TYPE 7)
Revision: 2006 January2006 M35/M45
19. CHECK SYMPTOM
1. Fill in described symptoms on the column “Symptom” in the check sheet.
2. Connect all connectors, and then](/manual-img/42/57023/w960_57023-4034.png)
LAN-366
[CAN]
CAN SYSTEM (TYPE 7)
Revision: 2006 January2006 M35/M45
19. CHECK SYMPTOM
1. Fill in described symptoms on the column “Symptom” in the check sheet.
2. Connect all connectors, and then make sure that the symptom is reproduced.
OK or NG
OK >> GO TO 20.
NG >> Refer to LAN-18, "
Example of Filling in Check Sheet When Initial Conditions Are Not Reproduced"
.
20. CHECK UNIT REPRODUCIBILITY
Performs the following procedure for each unit, and then perform reproducibility test.
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect the unit connector.
4. Connect the battery cable to the negative terminal.
5. Make sure that the symptom filled in the “Symptom” of the check sheet is reproduced. (Do not confuse it
with the symptom related to removed unit.)
6. Make sure that the same symptom is reproduced.
–A/T assembly
–AFS control unit
–BCM
–Low tire pressure warning control unit
–Steering angle sensor
–Intelligent Key unit
–Unified meter and A/C amp.
–NAVI control unit
–RAS control unit
–Driver seat control unit
–ABS actuator and electric unit (control unit)
–ECM
–IPDM E/R
Check results
Reproduce>>Install removed unit, and then check the other unit.
Not reproduced>>Replace removed unit.
IPDM E/R Ignition Relay Circuit InspectionNKS0042H
Check the following. If no malfunction is found, replace the IPDM E/R.
IPDM E/R power supply circuit. Refer to PG-30, "Check IPDM E/R Power Supply and Ground Circuit" .
Ignition power supply circuit. Refer to PG-12, "IGNITION POWER SUPPLY — IGNITION SW. IN “ON”
AND/OR “START”" .
Page 4046 of 5621
CAN SYSTEM (TYPE 8)
LAN-377
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2006 January2006 M35/M45
Case 2
Check harness between data link connector and RAS control unit. Refer to LAN-398, "Inspection Between
Data Link Connector and RAS Control Unit Circuit" .
PKIB8470E
SKIB4304E
Page 4047 of 5621
LAN-378
[CAN]
CAN SYSTEM (TYPE 8)
Revision: 2006 January2006 M35/M45
Case 3
Check harness between RAS control unit and pre-crash seat belt control unit. Refer to LAN-399, "Inspection
Between RAS Control Unit and Pre-Crash Seat Belt Control Unit Circuit" .
PKIB8471E
SKIB4305E
Page 4048 of 5621
CAN SYSTEM (TYPE 8)
LAN-379
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2006 January2006 M35/M45
Case 4
Check harness between pre-crash seat belt control unit and driver seat control unit. Refer to LAN-399,
"Inspection Between Pre-Crash Seat Belt Control Unit and Driver Seat Control Unit Circuit" .
PKIB8472E
SKIB4306E
Page 4060 of 5621
CAN SYSTEM (TYPE 8)
LAN-391
[CAN]
C
D
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F
G
H
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J
L
MA
B
LAN
Revision: 2006 January2006 M35/M45
Case 16
Check RAS control unit circuit. Refer to LAN-406, "RAS Control Unit Circuit Inspection" .
PKIB8484E
SKIB4318E
Page 4061 of 5621
LAN-392
[CAN]
CAN SYSTEM (TYPE 8)
Revision: 2006 January2006 M35/M45
Case 17
Check pre-crash seat belt control unit circuit. Refer to LAN-406, "Pre-Crash Seat Belt Control Unit Circuit
Inspection" .
PKIB8485E
SKIB4319E
Page 4067 of 5621
![INFINITI M35 2006 Factory Service Manual LAN-398
[CAN]
CAN SYSTEM (TYPE 8)
Revision: 2006 January2006 M35/M45
3. CHECK HARNESS FOR OPEN CIRCUIT
Check continuity between harness connector (A) and data link con-
nector (B).
OK or NG
O INFINITI M35 2006 Factory Service Manual LAN-398
[CAN]
CAN SYSTEM (TYPE 8)
Revision: 2006 January2006 M35/M45
3. CHECK HARNESS FOR OPEN CIRCUIT
Check continuity between harness connector (A) and data link con-
nector (B).
OK or NG
O](/manual-img/42/57023/w960_57023-4066.png)
LAN-398
[CAN]
CAN SYSTEM (TYPE 8)
Revision: 2006 January2006 M35/M45
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-9, "
TROUBLE DIAGNOSES WORK FLOW" .
NG >> Repair harness.
Inspection Between Data Link Connector and RAS Control Unit CircuitNKS0042N
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 M13
–Harness connector B2
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect harness connector M13.
2. Check continuity between data link connector (A) and harness
connector (B).
OK or NG
OK >> GO TO 3.
NG >> Repair harness.
3. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect RAS control unit connector.
2. Check continuity between harness connector (A) and RAS con-
trol unit harness connector (B).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to
LAN-9, "
TROUBLE DIAGNOSES WORK FLOW" .
NG >> Replace harness.
AB
Continuity
Connector Terminal Connector Terminal
M621
M606 Yes
214Yes
PKIC0280E
AB
Continuity
Connector Terminal Connector Terminal
M606
M1320M Yes
14 21M Yes
PKIC0281E
AB
Continuity
Connector Terminal Connector Terminal
B220M
B1271 Yes
21M 8 Yes
PKIC0301E
Page 4068 of 5621
![INFINITI M35 2006 Factory Service Manual CAN SYSTEM (TYPE 8)
LAN-399
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2006 January2006 M35/M45
Inspection Between RAS Control Unit and Pre-Crash Seat Belt Control Unit Cir-
cuit
NKS0042O
1. CHECK CON INFINITI M35 2006 Factory Service Manual CAN SYSTEM (TYPE 8)
LAN-399
[CAN]
C
D
E
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LAN
Revision: 2006 January2006 M35/M45
Inspection Between RAS Control Unit and Pre-Crash Seat Belt Control Unit Cir-
cuit
NKS0042O
1. CHECK CON](/manual-img/42/57023/w960_57023-4067.png)
CAN SYSTEM (TYPE 8)
LAN-399
[CAN]
C
D
E
F
G
H
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B
LAN
Revision: 2006 January2006 M35/M45
Inspection Between RAS Control Unit and Pre-Crash Seat Belt Control Unit Cir-
cuit
NKS0042O
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect following connectors.
–ECM connector
–RAS control unit connector
–Pre-crash seat belt control unit connector
4. Check continuity between RAS control unit harness connector
(A) and pre-crash seat belt control unit harness connector (B).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to
LAN-9, "
TROUBLE DIAGNOSES WORK FLOW" .
NG >> Replace harness.
Inspection Between Pre-Crash Seat Belt Control Unit and Driver Seat Control
Unit Circuit
NKS0042P
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect following connectors.
–ECM connector
–Pre-crash seat belt control unit connector
–harness connector B15
4. Check continuity between pre-crash seat belt control unit har-
ness connector (A) and harness connector (B).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to
LAN-9, "
TROUBLE DIAGNOSES WORK FLOW" .
NG >> Replace harness.
AB
Continuity
Connector Terminal Connector Terminal
B1271
B14224 Yes
822Yes
PKIC0304E
AB
Continuity
Connector Terminal Connector Terminal
B14224
B15 3 Yes
22 19 Yes
PKIC0296E