Page 4372 of 5621
![INFINITI M35 2006 Factory Service Manual CAN SYSTEM (TYPE 14)
LAN-703
[CAN]
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Revision: 2006 January2006 M35/M45
20. CHECK ECM AND IPDM E/R INTERNAL CIRCUIT
1. Remove ECM and IPDM E/R from vehicle.
2. Check resistanc INFINITI M35 2006 Factory Service Manual CAN SYSTEM (TYPE 14)
LAN-703
[CAN]
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Revision: 2006 January2006 M35/M45
20. CHECK ECM AND IPDM E/R INTERNAL CIRCUIT
1. Remove ECM and IPDM E/R from vehicle.
2. Check resistanc](/manual-img/42/57023/w960_57023-4371.png)
CAN SYSTEM (TYPE 14)
LAN-703
[CAN]
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Revision: 2006 January2006 M35/M45
20. CHECK ECM AND IPDM E/R INTERNAL CIRCUIT
1. Remove ECM and IPDM E/R from vehicle.
2. Check resistance between ECM terminals.
3. Check resistance between IPDM E/R terminals.
OK or NG
OK >> GO TO 21.
NG >> Replace ECM and/or IPDM E/R.
21. 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 22.
NG >> Refer to LAN-18, "
Example of Filling in Check Sheet When Initial Conditions Are Not Reproduced"
.
22. 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
–AWD control unit
–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
–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.
TerminalResistance
(Approx.)
94 86 108 – 132
TerminalResistance
(Approx.)
49 50 108 – 132
LKIA0037E
Page 4387 of 5621
LAN-718
[CAN]
CAN SYSTEM (TYPE 15)
Revision: 2006 January2006 M35/M45
Case 5
Check harness between ABS actuator and electric unit (control unit) and ICC sensor integrated unit. Refer to
LAN-740, "
Inspection Between ABS Actuator and Electric Unit and ICC Sensor Integrated Unit Circuit" .
PKIB8567E
SKIB4482E
Page 4395 of 5621
LAN-726
[CAN]
CAN SYSTEM (TYPE 15)
Revision: 2006 January2006 M35/M45
Case 13
Check steering angle sensor circuit. Refer to LAN-744, "Steering Angle Sensor Circuit Inspection" .
PKIB8575E
SKIB4490E
Page 4403 of 5621
LAN-734
[CAN]
CAN SYSTEM (TYPE 15)
Revision: 2006 January2006 M35/M45
Case 21
Check ICC sensor integrated unit circuit. Refer to LAN-748, "ICC Sensor Integrated Unit Circuit Inspection" .
PKIB8583E
SKIB4498E
Page 4409 of 5621
![INFINITI M35 2006 Factory Service Manual LAN-740
[CAN]
CAN SYSTEM (TYPE 15)
Revision: 2006 January2006 M35/M45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect harness connector B15 and harness connector B3.
2. Check continuity between har INFINITI M35 2006 Factory Service Manual LAN-740
[CAN]
CAN SYSTEM (TYPE 15)
Revision: 2006 January2006 M35/M45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect harness connector B15 and harness connector B3.
2. Check continuity between har](/manual-img/42/57023/w960_57023-4408.png)
LAN-740
[CAN]
CAN SYSTEM (TYPE 15)
Revision: 2006 January2006 M35/M45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect harness connector B15 and harness connector B3.
2. Check continuity between harness connector (A) and harness
connector (B).
OK or NG
OK >> GO TO 3.
NG >> Replace harness.
3. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ABS actuator and electric unit (control unit) connector.
2. Check continuity between harness connector (A) and ABS actu-
ator and electric unit (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 >> Repair harness.
Inspection Between ABS Actuator and Electric Unit and ICC Sensor Integrated
Unit Circuit
NKS0047L
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.
AB
Continuity
Connector Terminal Connector Terminal
B153
B3 9Yes
19 8 Yes
PKIC0283E
AB
Continuity
Connector Terminal Connector Terminal
E1059
E30 35 Yes
814Yes
PKIC0284E
AB
Continuity
Connector Terminal Connector Terminal
E3035
E613 Yes
14 6 Yes
PKIC0299E
Page 4413 of 5621
![INFINITI M35 2006 Factory Service Manual LAN-744
[CAN]
CAN SYSTEM (TYPE 15)
Revision: 2006 January2006 M35/M45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect LDW camera unit connector.
2. Check resistance between LDW camera unit harness con INFINITI M35 2006 Factory Service Manual LAN-744
[CAN]
CAN SYSTEM (TYPE 15)
Revision: 2006 January2006 M35/M45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect LDW camera unit connector.
2. Check resistance between LDW camera unit harness con](/manual-img/42/57023/w960_57023-4412.png)
LAN-744
[CAN]
CAN SYSTEM (TYPE 15)
Revision: 2006 January2006 M35/M45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect LDW camera unit connector.
2. Check resistance between LDW camera unit harness connector
terminals.
OK or NG
OK >> Replace LDW camera unit.
NG >> Repair harness between LDW camera unit and harness
connector M61.
Low Tire Pressure Warning Control Unit Circuit InspectionNKS0047S
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 InspectionNKS0047T
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.
LDW camera unit
connectorTerminalResistance
(Approx.)
M182 10 5 54 – 66
SKIB2333E
Low tire pressure
warning control
unit connectorTerminalResistance
(Approx.)
M19 15 16 54 – 66
PKIC0285E
Page 4414 of 5621
![INFINITI M35 2006 Factory Service Manual CAN SYSTEM (TYPE 15)
LAN-745
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Revision: 2006 January2006 M35/M45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect steering angle sensor connector.
2. Check resistance INFINITI M35 2006 Factory Service Manual CAN SYSTEM (TYPE 15)
LAN-745
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2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect steering angle sensor connector.
2. Check resistance](/manual-img/42/57023/w960_57023-4413.png)
CAN SYSTEM (TYPE 15)
LAN-745
[CAN]
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Revision: 2006 January2006 M35/M45
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.
Intelligent Key Unit Circuit InspectionNKS0047U
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of Intelligent Key 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 Intelligent Key unit connector.
2. Check resistance between Intelligent Key unit harness connec-
tor terminals.
OK or NG
OK >> Replace Intelligent Key unit.
NG >> Repair harness between Intelligent Key unit and data
link connector.
Unified Meter and A/C Amp. Circuit InspectionNKS0047V
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of unified meter and A/C amp. for damage, bend and loose connection
(meter side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
Steering angle
sensor connectorTerminalResistance
(Approx.)
M47 4 5 54 – 66
PKIA9864E
Intelligent Key
unit connectorTerminalResistance
(Approx.)
M32 38 37 54 – 66
PKIC0286E
Page 4417 of 5621
![INFINITI M35 2006 Factory Service Manual LAN-748
[CAN]
CAN SYSTEM (TYPE 15)
Revision: 2006 January2006 M35/M45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect driver seat control unit connector.
2. Check resistance between driver seat co INFINITI M35 2006 Factory Service Manual LAN-748
[CAN]
CAN SYSTEM (TYPE 15)
Revision: 2006 January2006 M35/M45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect driver seat control unit connector.
2. Check resistance between driver seat co](/manual-img/42/57023/w960_57023-4416.png)
LAN-748
[CAN]
CAN SYSTEM (TYPE 15)
Revision: 2006 January2006 M35/M45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect driver seat control unit connector.
2. Check resistance between driver seat control unit harness con-
nector terminals.
OK or NG
OK >> Replace driver seat control unit.
NG >> Replace harness.
ABS Actuator and Electric Unit (Control Unit) Circuit InspectionNKS00480
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative 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 terminals.
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 integrated unit.
ICC Sensor Integrated Unit Circuit InspectionNKS00481
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 integrated unit for damage, bend and loose connection (unit
side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
Driver seat control
unit connectorTerminalResistance
(Approx.)
B204 3 19 54 – 66
PKIA6842E
ABS actuator and
electric unit
(control unit)
connectorTerminalResistance
(Approx.)
E30 35 14 54 – 66
PKIC0289E