Page 4122 of 5621
![INFINITI M35 2006 Factory Service Manual CAN SYSTEM (TYPE 9)
LAN-453
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Revision: 2006 January2006 M35/M45
Low Tire Pressure Warning Control Unit Circuit InspectionNKS0043L
1. CHECK CONNECTOR
1. Turn ignition sw INFINITI M35 2006 Factory Service Manual CAN SYSTEM (TYPE 9)
LAN-453
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Low Tire Pressure Warning Control Unit Circuit InspectionNKS0043L
1. CHECK CONNECTOR
1. Turn ignition sw](/manual-img/42/57023/w960_57023-4121.png)
CAN SYSTEM (TYPE 9)
LAN-453
[CAN]
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Revision: 2006 January2006 M35/M45
Low Tire Pressure Warning Control Unit Circuit InspectionNKS0043L
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of low tire pressure warning control unit for damage, bend and loose con-
nection (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 low tire pressure warning control unit connector.
2. Check resistance between low tire pressure warning control unit
harness connector terminals.
OK or NG
OK >> Replace low tire pressure warning control unit.
NG >> Repair harness between low tire pressure warning con-
trol unit and data link connector.
Steering Angle Sensor Circuit InspectionNKS0043M
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of steering angle sensor for damage, bend and loose connection (sensor
side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect steering angle sensor connector.
2. Check resistance between steering angle sensor harness con-
nector terminals.
OK or NG
OK >> Replace steering angle sensor.
NG >> Repair harness between steering angle sensor and data
link connector.
Low tire pressure
warning control
unit connectorTerminalResistance
(Approx.)
M19 15 16 54 – 66
PKIC0285E
Steering angle
sensor connectorTerminalResistance
(Approx.)
M47 4 5 54 – 66
PKIA9864E
Page 4128 of 5621
![INFINITI M35 2006 Factory Service Manual CAN SYSTEM (TYPE 9)
LAN-459
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Revision: 2006 January2006 M35/M45
CAN Communication Circuit InspectionNKS0043W
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconne INFINITI M35 2006 Factory Service Manual CAN SYSTEM (TYPE 9)
LAN-459
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Revision: 2006 January2006 M35/M45
CAN Communication Circuit InspectionNKS0043W
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconne](/manual-img/42/57023/w960_57023-4127.png)
CAN SYSTEM (TYPE 9)
LAN-459
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Revision: 2006 January2006 M35/M45
CAN Communication Circuit InspectionNKS0043W
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,
control unit side, unit side, sensor side, meter side and harness side).
–ECM
–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
–Pre-crash seat belt control unit
–Driver seat control unit
–ABS actuator and electric unit (control unit)
–IPDM E/R
–Between ECM and A/T assembly
–Between ECM and AFS control unit
–Between ECM and NAVI control unit
–Between ECM and driver seat control unit
–Between ECM and IPDM E/R
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–ECM connector
–Harness connector M72
–BCM connector
–Harness connector M61
2. Check continuity between ECM harness connector terminals.
OK or NG
OK >> GO TO 3.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.
Harness between ECM and harness connector M72
Harness between ECM and BCM
Harness between ECM and harness connector M61
ECM connector Terminal Continuity
M71 94 86 No
PKIA9860E
Page 4131 of 5621
![INFINITI M35 2006 Factory Service Manual LAN-462
[CAN]
CAN SYSTEM (TYPE 9)
Revision: 2006 January2006 M35/M45
8. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–Low tire pressure warning control unit connector
–Steer INFINITI M35 2006 Factory Service Manual LAN-462
[CAN]
CAN SYSTEM (TYPE 9)
Revision: 2006 January2006 M35/M45
8. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–Low tire pressure warning control unit connector
–Steer](/manual-img/42/57023/w960_57023-4130.png)
LAN-462
[CAN]
CAN SYSTEM (TYPE 9)
Revision: 2006 January2006 M35/M45
8. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–Low tire pressure warning control unit connector
–Steering angle sensor connector
–Intelligent Key unit connector
–Unified meter and A/C amp. connector
–Harness connector M53
–Harness connector M13
2. Check continuity between data link connector terminals.
OK or NG
OK >> GO TO 9.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.
Harness between data link connector and harness
connector M62
Harness between data link connector and low tire pressure warning control unit
Harness between data link connector and steering angle sensor
Harness between data link connector and Intelligent Key unit
Harness between data link connector and unified meter and A/C amp.
Harness between data link connector and harness connector M53
Harness between data link connector and harness connector M13
9. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector terminals 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 data link connector and harness
connector M62
Harness between data link connector and low tire pressure warning control unit
Harness between data link connector and steering angle sensor
Harness between data link connector and Intelligent Key unit
Harness between data link connector and unified meter and A/C amp.
Harness between data link connector and harness connector M53
Harness between data link connector and harness connector M13
Data link
connectorTerminal Continuity
M60 6 14 No
PKIA9865E
Data link
connectorTerminal
GroundContinuity
M606No
14 No
PKIA9872E
Page 4135 of 5621
![INFINITI M35 2006 Factory Service Manual LAN-466
[CAN]
CAN SYSTEM (TYPE 9)
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-466
[CAN]
CAN SYSTEM (TYPE 9)
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_57023-4134.png)
LAN-466
[CAN]
CAN SYSTEM (TYPE 9)
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
–Pre-crash seat belt 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 InspectionNKS0043X
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 4150 of 5621
CAN SYSTEM (TYPE 10)
LAN-481
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Revision: 2006 January2006 M35/M45
Case 6
Check harness between ABS actuator and electric unit (control unit) and ICC sensor integrated unit. Refer to
LAN-504, "
Inspection Between ABS Actuator and Electric Unit and ICC Sensor Integrated Unit Circuit" .
PKIB8498E
SKIB4372E
Page 4157 of 5621
LAN-488
[CAN]
CAN SYSTEM (TYPE 10)
Revision: 2006 January2006 M35/M45
Case 13
Check steering angle sensor circuit. Refer to LAN-507, "Steering Angle Sensor Circuit Inspection" .
PKIB8505E
SKIB4380E
Page 4166 of 5621
CAN SYSTEM (TYPE 10)
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Revision: 2006 January2006 M35/M45
Case 22
Check ICC sensor integrated unit circuit. Refer to.LAN-512, "ICC Sensor Integrated Unit Circuit Inspection" .
PKIB8514E
SKIB4389E
Page 4173 of 5621
![INFINITI M35 2006 Factory Service Manual LAN-504
[CAN]
CAN SYSTEM (TYPE 10)
Revision: 2006 January2006 M35/M45
Inspection Between ABS Actuator and Electric Unit and ICC Sensor Integrated
Unit Circuit
NKS00447
1. CHECK CONNECTOR
1. Turn igni INFINITI M35 2006 Factory Service Manual LAN-504
[CAN]
CAN SYSTEM (TYPE 10)
Revision: 2006 January2006 M35/M45
Inspection Between ABS Actuator and Electric Unit and ICC Sensor Integrated
Unit Circuit
NKS00447
1. CHECK CONNECTOR
1. Turn igni](/manual-img/42/57023/w960_57023-4172.png)
LAN-504
[CAN]
CAN SYSTEM (TYPE 10)
Revision: 2006 January2006 M35/M45
Inspection Between ABS Actuator and Electric Unit and ICC Sensor Integrated
Unit Circuit
NKS00447
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect following connectors.
–ECM connector
–ABS actuator and electric unit (control unit) connector
–ICC sensor integrated unit connector
4. Check continuity between ABS actuator and electric unit (control
unit) harness connector (A) and ICC sensor integrated unit har-
ness connector (B).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to
LAN-9, "
TROUBLE DIAGNOSES WORK FLOW" .
NG >> Repair harness.
ECM Circuit InspectionNKS00448
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of ECM 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 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.
AB
Continuity
Connector Terminal Connector Terminal
E3035
E613 Yes
14 6 Yes
PKIC0299E
ECM connector TerminalResistance
(Approx.)
M71 94 86 108 – 132
PKIA9860E