Infiniti F50. Manual - part 631

 

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Infiniti F50. Manual - part 631

 

 

CAN SYSTEM (FOR ICC MODELS)

LAN-53

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

2. 

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect ECM connector, steering angle sensor connector and combination meter connector.

2.

Check continuity between steering angle sensor harness con-
nector M52 terminals 4 (LG/B), 5 (P/B) and combination meter
harness connector M41 terminals 15(LG/B), 16 (P/B).

OK or NG

OK

>> Reconnect all connectors to perform “SELF-DIAG 

RESULTS” and “DATA MONITOR” for “ENGINE”, 
“VDC”, “ICC” and “A/T” displayed on CONSULT-II. Refer 
to the following:

EC-141, "DTC U1000, U1001 CAN COMMUNICA-
TION LINE"

 for “ENGINE”

BRC-58, "Inspection 16 CAN Communications Lines, VDC/TCS/ABS Control Unit and Steering
Angle Sensor System"

 for “VDC”

ACS-70, "DTC 20 CAN COMM CIRCUIT"

 for “ICC”

AT-99, "DTC U1000 CAN COMMUNICATION LINE"

 for “A/T”

NG

>> Repair harness.

ECM Circuit Check

EKS003M3

1. 

CHECK CONNECTOR

1.

Turn ignition switch OFF.

2.

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

ECM.

Harness connector F34.

Harness connector E34.

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 F102 termi-
nals 174 (LG/B) and 171 (P/B).

OK or NG

OK

>> Replace ECM.

NG

>> Repair harness between VDC/TCS/ABS control unit and

ECM.

4 (LG/B) – 15 (LG/B) 

: Continuity should exist.

5 (P/B) – 16 (P/B) 

: Continuity should exist.

SKIA3776E

174 (LG/B) – 171 (P/B) 

: Approx. 108 – 132

PKIA0279E

LAN-54

[CAN]

CAN SYSTEM (FOR ICC MODELS)

VDC/TCS/ABS Control Unit Circuit Check

EKS003M4

1. 

CHECK CONNECTOR

1.

Turn ignition switch OFF.

2.

Check the terminals and connector of VDC/TCS/ABS 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 VDC/TCS/ABS control unit connector.

2.

Check resistance between VDC/TCS/ABS control unit harness
connector E218 terminals 61 (LG/B) and 63 (P/B).

OK or NG

OK

>> Replace VDC/TCS/ABS control unit.

NG

>> Repair harness between ECM and VDC/TCS/ABS con-

trol unit.

ICC Sensor Circuit Check

EKS003NB

1. 

CHECK CONNECTOR

1.

Turn ignition switch OFF.

2.

Check the terminals and connector of ICC 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 ICC sensor connector.

2.

Check resistance between ICC sensor harness connector E52
terminals 3 (LG/B) and 6 (P/B).

OK or NG

OK

>> Replace ICC sensor.

NG

>> Repair harness between VDC/TCS/ABS control unit and

ICC sensor.

61 (LG/B) – 63 (P/B) 

: Approx. 54 – 66

PKIA0280E

3 (LG/B) – 6 (P/B) 

: Approx. 54 – 66

SKIA1263E

CAN SYSTEM (FOR ICC MODELS)

LAN-55

[CAN]

C

D

E

F

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A

B

LAN

ICC Unit Circuit Check

EKS003NC

1. 

CHECK CONNECTOR

1.

Turn ignition switch OFF.

2.

Check the terminals and connector of ICC 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 ICC unit connector.

2.

Check resistance between ICC unit harness connector B243 ter-
minals 14 (LG/B) and 5 (P/B).

OK or NG

OK

>> Replace ICC unit.

NG

>> Repair harness between ICC sensor and ICC unit.

Steering Angle Sensor Circuit Check

EKS003M5

1. 

CHECK CONNECTOR

1.

Turn ignition switch OFF.

2.

Check the terminals and connector of steering angle sensor for damage, bend and loose connection.(sen-
sor-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 M52 terminals 4 (LG/B) and 5 (P/B).

OK or NG

OK

>> Replace steering angle sensor.

NG

>> Repair harness between combination meter and steer-

ing angle sensor.

14 (LG/B) – 5 (P/B) 

: Approx. 54 – 66

SKIA1264E

4 (LG/B) – 5 (P/B) 

: Approx. 54 – 66

SKIA3777E

LAN-56

[CAN]

CAN SYSTEM (FOR ICC MODELS)

Combination Meter Circuit Check

EKS003M6

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 15 (LG/B) and 16 (P/B).

OK or NG

OK

>> Replace combination meter.

NG

>> Repair harness between steering angle sensor and

combination meter.

TCM Circuit Check

EKS003M7

1. 

CHECK CONNECTOR

1.

Turn ignition switch OFF.

2.

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

TCM.

Harness connector F105.

Harness connector M135.

OK or NG

OK

>> GO TO 2.

NG

>> Repair terminal or connector.

2. 

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect TCM connector.

2.

Check resistance between TCM harness connector F103 termi-
nals 6 (LG/B) and 7(P/B).

OK or NG

OK

>> Replace TCM.

NG

>> Repair harness between combination meter and TCM.

15 (LG/B) – 16 (P/B) 

: Approx. 54 – 66

PKIA0282E

6 (LG/B) – 7 (P/B) 

: Approx. 108 – 132

PKIA0283E

 

 

 

 

 

 

 

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