Infiniti M45 (Y34). Manual — part 620

CAN SYSTEM (TYPE 2)

LAN-47

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

Case 4

Check VDC/TCS/ABS control unit circuit. Refer to

LAN-52, "VDC/TCS/ABS Control Unit Circuit Check"

.

Case 5

Check ICC sensor circuit. Refer to

LAN-52, "ICC Sensor Circuit Check"

.

PKIA8644E

SKIA3981E

PKIA8645E

SKIA3982E

LAN-48

[CAN]

CAN SYSTEM (TYPE 2)

Case 6

Check ICC unit circuit. Refer to

LAN-53, "ICC Unit Circuit Check"

.

Case 7

Check TCM circuit. Refer to

LAN-53, "TCM Circuit Check"

.

PKIA8646E

SKIA3983E

PKIA8647E

SKIA3984E

CAN SYSTEM (TYPE 2)

LAN-49

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

Case 8

Check steering angle sensor circuit. Refer to

LAN-54, "Steering Angle Sensor Circuit Check"

.

Case 9

Check combination meter circuit. Refer to

LAN-54, "Combination Meter Circuit Check"

.

PKIA8648E

SKIA3985E

PKIA8649E

SKIA3986E

LAN-50

[CAN]

CAN SYSTEM (TYPE 2)

Case 10

Check CAN communication circuit. Refer to

LAN-55, "CAN Communication Circuit Check"

.

Circuit Check Between VDC/TCS/ABS Control Unit and ICC Unit

AKS003YD

1.

CHECK CONNECTOR

1.

Turn ignition switch OFF.

2.

Check following terminals and connector for damage, bend and loose connection (connector side and
harness side).

–

Harness connector M141

–

Harness connector B211

OK or NG

OK

>> GO TO 2.

NG

>> Repair terminal or connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect harness connector M135 and harness connector M141.

2.

Check continuity between harness connector M135 terminals
46T (L), 45T (R) and harness connector M141 terminals 52V (L),
53V (R).

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness.

3.

CHECK HARNESS FOR OPEN CIRCUIT

Check continuity between harness connector B211 terminals 52V
(L), 53V (R) and harness connector B211 terminals 66V (L), 61V (R).

OK or NG

OK

>> Connect all the connectors and diagnose again. Refer to

LAN-43, "Work Flow"

.

NG

>> Repair harness.

PKIA8650E

46T (L) – 52V (L)

: Continuity should exist.

45T (R) – 53V (R)

: Continuity should exist.

SKIA3882E

52V (L) – 66V (L)

: Continuity should exist.

53V (R) – 61V (R)

: Continuity should exist.

SKIA3883E