Infiniti M45 (Y34). Manual — part 617
CAN SYSTEM (TYPE 1)
LAN-35
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect steering angle sensor connector.
2.
Check resistance between steering angle sensor harness con-
nector M52 terminals 4 (L) and 5 (R).
OK or NG
OK
>> Replace steering angle sensor.
NG
>> Repair harness between steering angle sensor and
combination meter.
Combination Meter Circuit Check
AKS003X8
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Check terminals and connector of combination meter for damage, bend and loose connection (meter side
and harness side).
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect combination meter connector.
2.
Check resistance between combination meter harness connec-
tor M41 terminals 34 (L) and 35 (R).
OK or NG
OK
>> Replace combination meter.
NG
>> Repair harness between combination meter and steer-
ing angle sensor.
CAN Communication Circuit Check
AKS003X4
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Check following terminals and connector for damage, bend and loose connection (control module side,
control unit side, sensor side, meter side and harness side).
–
ECM
–
VDC/TCS/ABS control unit
–
TCM
–
Steering angle sensor
–
Combination meter
–
Between ECM and TCM
–
Between ECM and VDC/TCS/ABS control unit
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
4 (L) – 5 (R)
: Approx. 54 – 66
Ω
SKIA3777E
34 (L) – 35 (R)
: Approx. 108 – 132
Ω
SKIA3885E
LAN-36
[CAN]
CAN SYSTEM (TYPE 1)
2.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Disconnect ECM connector and harness connector F105.
2.
Check continuity between ECM harness connector F102 termi-
nals 174 (L) and 171 (R).
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness between ECM and harness connector
F105.
3.
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between ECM harness connector F102 terminals
174 (L), 171 (R) and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair harness between ECM and harness connector
F105.
4.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Disconnect harness connector M132 and harness connector M141.
2.
Check continuity between harness connector M135 terminals
46T (L) and 45T (R).
OK or NG
OK
>> GO TO 5.
NG
>> Check the following harnesses. If any harness is dam-
aged, repair the harness.
●
Harness between harness connector M135 and har-
ness connector M132
●
Harness between harness connector M135 and har-
ness connector M141
174 (L) – 171 (R)
: Continuity should not exist.
PKIA0279E
174 (L) – ground
: Continuity should not exist.
171 (R) – ground
: Continuity should not exist.
PKIA0292E
46T (L) – 45T (R)
: Continuity should not exist.
SKIA3886E
CAN SYSTEM (TYPE 1)
LAN-37
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
5.
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between harness connector M135 terminals 46T
(L), 45T (R) and ground.
OK or NG
OK
>> GO TO 6.
NG
>> Check the following harnesses. If any harness is dam-
aged, repair the harness.
●
Harness between harness connector M135 and har-
ness connector M132
●
Harness between harness connector M135 and harness connector M141
6.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Disconnect VDC/TCS/ABS control unit connector.
2.
Check continuity between VDC/TCS/ABS control unit harness
connector E218 terminals 61 (L) and 63 (R).
OK or NG
OK
>> GO TO 7.
NG
>> Repair harness between VDC/TCS/ABS control unit and
harness connector E222.
7.
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between VDC/TCS/ABS control unit harness con-
nector E218 terminals 61 (L), 63 (R) and ground.
OK or NG
OK
>> GO TO 8.
NG
>> Repair harness between VDC/TCS/ABS control unit and
harness connector E222.
8.
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between harness connector B211 terminals 52V (L)
and 53V (R).
OK or NG
OK
>> GO TO 9.
NG
>> Repair harness between harness connector B211 and
harness connector B211.
46T (L) – ground
: Continuity should not exist.
45T (R) – ground
: Continuity should not exist.
SKIA3887E
61 (L) – 63 (R)
: Continuity should not exist.
PKIA0280E
61 (L) – ground
: Continuity should not exist.
63 (R) – ground
: Continuity should not exist.
PKIA0291E
52V (L) – 53V (R)
: Continuity should not exist.
SKIA3888E
LAN-38
[CAN]
CAN SYSTEM (TYPE 1)
9.
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between harness connector B211 terminals 52V
(L), 53V (R) and ground.
OK or NG
OK
>> GO TO 10.
NG
>> Repair harness between harness connector B211 and
harness connector B211.
10.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Disconnect steering angle sensor connector and combination meter connector.
2.
Check continuity between data link connector M31 terminals 6
(L) and 3 (R).
OK or NG
OK
>> GO TO 11.
NG
>> Check the following harnesses. If any harness is dam-
aged, repair the harness.
●
Harness between data link connector and harness
connector M141
●
Harness between data link connector and harness
connector M135
●
Harness between data link connector and steering angle sensor
●
Harness between data link connector and combination meter
11.
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector M31 terminals 6 (L), 3
(R) 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 data link connector and harness
connector M141
●
Harness between data link connector and harness connector M135
●
Harness between data link connector and steering angle sensor
●
Harness between data link connector and combination meter
52V (L) – ground
: Continuity should not exist.
53V (R) – ground
: Continuity should not exist.
SKIA3889E
6 (L) – 3 (R)
: Continuity should not exist.
PKIA0285E
6 (L) – ground
: Continuity should not exist.
3 (R) – ground
: Continuity should not exist.
PKIA0286E
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