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![INFINITI M35 2006 Factory Service Manual LAN-84
[CAN]
CAN SYSTEM (TYPE 1)
Revision: 2006 January2006 M35/M45
7. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector terminals and ground.
OK or NG
OK >> GO TO 8.
NG >> INFINITI M35 2006 Factory Service Manual LAN-84
[CAN]
CAN SYSTEM (TYPE 1)
Revision: 2006 January2006 M35/M45
7. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector terminals and ground.
OK or NG
OK >> GO TO 8.
NG >>](/manual-img/42/57023/w960_57023-3752.png)
LAN-84
[CAN]
CAN SYSTEM (TYPE 1)
Revision: 2006 January2006 M35/M45
7. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector terminals and ground.
OK or NG
OK >> GO TO 8.
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
8. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect AV control unit connector.
2. Check continuity between AV control unit harness connector ter-
minals.
OK or NG
OK >> GO TO 9.
NG >> Repair harness between AV control unit and harness
connector M216.
9. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between AV control unit harness connector termi-
nals and ground.
OK or NG
OK >> GO TO 10.
NG >> Repair harness between AV control unit and harness
connector M216.
Data link
connectorTerminal
GroundContinuity
M606No
14 No
PKIA9872E
AV control unit
connectorTerminal Continuity
M210 71 72 No
PKIC0288E
AV control unit
connectorTerminal
GroundContinuity
M21071 No
72 No
PKIC0291E
Page 3754 of 5621
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LAN-85
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10. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect harness connector B15 and harness connector B3.
2. Chec INFINITI M35 2006 Factory Service Manual CAN SYSTEM (TYPE 1)
LAN-85
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10. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect harness connector B15 and harness connector B3.
2. Chec](/manual-img/42/57023/w960_57023-3753.png)
CAN SYSTEM (TYPE 1)
LAN-85
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10. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect harness connector B15 and harness connector B3.
2. Check continuity between harness connector terminals.
OK or NG
OK >> GO TO 11.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.
Harness between harness connector B15 and har-
ness connector B2
Harness between harness connector B15 and har-
ness connector B3
11 . CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between harness connector terminals and ground.
OK or NG
OK >> GO TO 12.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.
Harness between harness connector B15 and har-
ness connector B2
Harness between harness connector B15 and harness connector B3
12. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect driver seat control unit connector.
2. Check continuity between driver seat control unit harness con-
nector terminals.
OK or NG
OK >> GO TO 13.
NG >> Repair harness between driver seat control unit and har-
ness connector B202.
Harness connector Terminal Continuity
B15 3 19 No
PKIC0292E
Harness connector Terminal
GroundContinuity
B153No
19 No
PKIC0293E
Driver seat
control unit
connectorTerminal Continuity
B204 3 19 No
PKIA6842E
Page 3755 of 5621
![INFINITI M35 2006 Factory Service Manual LAN-86
[CAN]
CAN SYSTEM (TYPE 1)
Revision: 2006 January2006 M35/M45
13. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between driver seat control unit harness connector
terminals and ground.
OK or INFINITI M35 2006 Factory Service Manual LAN-86
[CAN]
CAN SYSTEM (TYPE 1)
Revision: 2006 January2006 M35/M45
13. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between driver seat control unit harness connector
terminals and ground.
OK or](/manual-img/42/57023/w960_57023-3754.png)
LAN-86
[CAN]
CAN SYSTEM (TYPE 1)
Revision: 2006 January2006 M35/M45
13. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between driver seat control unit harness connector
terminals and ground.
OK or NG
OK >> GO TO 14.
NG >> Repair harness between driver seat control unit and har-
ness connector B202.
14. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect ABS actuator and electric unit (control unit) connector and IPDM E/R connector.
2. Check continuity between IPDM E/R harness connector termi-
nals.
OK or NG
OK >> GO TO 15.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.
Harness between IPDM E/R and harness connector
E105
Harness between IPDM E/R and ABS actuator and electric unit (control unit)
15. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between IPDM E/R harness connector terminals
and ground.
OK or NG
OK >> GO TO 16.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.
Harness between IPDM E/R and harness connector E105
Harness between IPDM E/R and ABS actuator and electric unit (control unit)
Driver seat
control unit
connectorTerminal
GroundContinuity
B2043No
19 No
SKIA5025E
IPDM E/R
connectorTerminal Continuity
E9 49 50 No
PKIC0290E
IPDM E/R
connectorTerminal
GroundContinuity
E949 No
50 No
PKIC0294E
Page 3756 of 5621
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16. CHECK ECM AND IPDM E/R INTERNAL CIRCUIT
1. Remove ECM and IPDM E/R from vehicle.
2. Check resistance INFINITI M35 2006 Factory Service Manual CAN SYSTEM (TYPE 1)
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16. CHECK ECM AND IPDM E/R INTERNAL CIRCUIT
1. Remove ECM and IPDM E/R from vehicle.
2. Check resistance](/manual-img/42/57023/w960_57023-3755.png)
CAN SYSTEM (TYPE 1)
LAN-87
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16. 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 17.
NG >> Replace ECM and/or IPDM E/R.
17. 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 18.
NG >> Refer to LAN-18, "
Example of Filling in Check Sheet When Initial Conditions Are Not Reproduced"
.
18. 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
–BCM
–Low tire pressure warning control unit
–Steering angle sensor
–Intelligent Key unit
–Unified meter and A/C amp.
–AV 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 3757 of 5621
LAN-88
[CAN]
CAN SYSTEM (TYPE 1)
Revision: 2006 January2006 M35/M45
IPDM E/R Ignition Relay Circuit InspectionNKS003YH
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 3758 of 5621
CAN SYSTEM (TYPE 2)
LAN-89
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Revision: 2006 January2006 M35/M45
CAN SYSTEM (TYPE 2)PFP:23710
Component Parts and Harness Connector LocationNKS003YI
PKIC0600E
Page 3759 of 5621
LAN-90
[CAN]
CAN SYSTEM (TYPE 2)
Revision: 2006 January2006 M35/M45
SchematicNKS003YJ
TKWT3251E
Page 3760 of 5621
CAN SYSTEM (TYPE 2)
LAN-91
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Revision: 2006 January2006 M35/M45
Wiring Diagram — CAN —NKS003YK
TKWT3252E