Infiniti EX35. Manual - part 1187

 

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Infiniti EX35. Manual - part 1187

 

 

PWC-12

< FUNCTION DIAGNOSIS >

DIAGNOSIS SYSTEM (BCM)

The BCM records the following condition at the moment a particular DTC is detected.
• Vehicle Speed
• Odd Trip Meter
• Vehicle Condition (BCM detected condition)

IGN Counter

IGN counter indicates the number of times that ignition switch is turned ON after DTC is detected.
• The number is 0 when a malfunction is detected now.
• The number increases like 1 

 2 

 3...38 

 39 after returning to the normal condition whenever ignition

switch OFF 

 ON.

• The number is fixed to 39 until the self-diagnosis results are erased if it is over 39.

RETAINED PWR

RETAINED PWR : CONSULT-III Function (BCM - RETAINED PWR)

INFOID:0000000003573462

Data monitor

CONSULT screen terms

Description

SLEEP>LOCK

While turning BCM status from low power consumption mode to normal mode (Power supply 
position is “LOCK”)

SLEEP>OFF

While turning BCM status from low power consumption mode to normal mode (Power supply 
position is “OFF”.)

LOCK>ACC

While turning power supply position from “LOCK” to “ACC”

ACC>ON

While turning power supply position from “ACC” to “IGN”

RUN>ACC

While turning power supply position from “RUN” to “ACC” (Vehicle is stopping and selector 
lever is except P position.)

CRANK>RUN

While turning power supply position from “CRANKING” to “RUN” (From cranking up the en-
gine to run it)

RUN>URGENT

While turning power supply position from “RUN“ to “ACC” (Emergency stop operation)

ACC>OFF

While turning power supply position from “ACC” to “OFF”

OFF>LOCK

While turning power supply position from “OFF” to “LOCK”

OFF>ACC

While turning power supply position from “OFF” to “ACC”

ON>CRANK

While turning power supply position from “IGN” to “CRANKING”

OFF>SLEEP

While turning BCM status from normal mode (Power supply position is “OFF”.) to low power 
consumption mode

LOCK>SLEEP

While turning BCM status from normal mode (Power supply position is “LOCK”.) to low pow-
er consumption mode

LOCK

Power supply position is “LOCK” (Ignition switch OFF with steering is locked.)

OFF

Power supply position is “OFF” (Ignition switch OFF with steering is unlocked.)

ACC

Power supply position is “ACC” (Ignition switch ACC)

ON

Power supply position is “IGN” (Ignition switch ON with engine stopped)

ENGINE RUN

Power supply position is “RUN” (Ignition switch ON with engine running)

CRANKING

Power supply position is “CRANKING” (At engine cranking)

Monitor Item

Description

DOOR SW-DR

Indicates [ON/OFF] condition of driver side door switch.

DOOR SW-AS

Indicates [ON/OFF] condition of passenger side door switch.

POWER SUPPLY AND GROUND CIRCUIT

PWC-13

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

COMPONENT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

BCM

BCM : Diagnosis Procedure

INFOID:0000000003573463

1.

CHECK FUSE AND FUSIBLE LINK

1.Turn ignition switch OFF.
2.Check that the following fuse and fusible link are not blown.

Is the fuse fusing?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is

blown.

NO

>>  GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Disconnect BCM connectors.

2.

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace harness or connector.

POWER WINDOW MAIN SWITCH

POWER WINDOW MAIN SWITCH : Diagnosis Procedure

INFOID:0000000003573464

1.

CHECK POWER SUPPLY CIRCUIT 1

1.

Turn ignition OFF.

2.

Disconnect power window main switch connector.

3.

Turn ignition switch ON.

4.

Check voltage between power window main switch harness connector and ground.

Terminal No.

Signal name

Fuse and fusible link No.

1

Battery power supply

K (40A)

11

10 (10A)

(+)

(

)

Voltage

(Approx.)

BCM

Connector

Terminal

M118

1

Ground

Battery voltage

M119

11

BCM

Ground

Continuity

Connector

Terminal

M119

13

Existed

PWC-14

< COMPONENT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

Is the inspection result normal?

YES

>>  GO TO 2.

NO

>>  GO TO 3.

2.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between power window main switch harness connector and ground.

Is the inspection result normal?

YES

>>  INSPECTION END

NO

>>  Repair or replace harness.

3.

CHECK POWER SUPPLY CIRCUIT 2

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between BCM harness connector and power window main switch harness connector.

4.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>>  Replace BCM. Refer to 

BCS-84, "Removal and Installation"

.

NO

>>  Repair or replace harness.

FRONT POWER WINDOW SWITCH (PASSENGER SIDE)

FRONT POWER WINDOW SWITCH (PASSENGER SIDE) : Diagnosis Procedure

INFOID:0000000003573465

1.

CHECK POWER SUPPLY CIRCUIT 1 

1.

Turn ignition switch OFF.

2.

Disconnect front power window switch (passenger side) connector.

3.

Turn ignition switch ON.

4.

Check voltage between front power window switch (passenger side) harness connector and ground.

(+)

(–)

Voltage (V)

(Approx.)

Power window main switch

Connector

Terminal 

D8

10

Ground

Battery voltage

D9

19

Power window main switch 

Ground

Continuity 

Connector

Terminal

D9

17

Existed

BCM

Power window main switch

Continuity

Connector

Terminal

Connector

Terminal

M118

2

D9

19

Existed

3

D8

10

BCM

Ground

Continuity

Connector

Terminal

M118

2

Not existed

3

POWER SUPPLY AND GROUND CIRCUIT

PWC-15

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

Is the inspection result normal?

YES

>>  INSPECTION END.

NO

>>  GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT 2 

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between BCM harness connector and front power window switch (passenger side) har-
ness connector.

4.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>>  Replace BCM. Refer to 

BCS-84, "Removal and Installation"

.

 NO

>>  Repair or replace harness.

REAR POWER WINDOW SWITCH

REAR POWER WINDOW SWITCH : Diagnosis Procedure

INFOID:0000000003573466

1.

CHECK POWER SUPPLY CIRCUIT 1

1.

Turn ignition switch OFF.

2.

Disconnect rear power window switch connector.

3.

Turn ignition switch ON.

4.

Check voltage between rear power window switch harness connector and ground.

Is the inspection result normal?

YES

>>  INSPECTION END.

NO

>>  GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT 2

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between BCM harness connector and rear power window switch harness connector.

(+)

(–)

Voltage (V)

(Approx.)

Front power window switch (passenger side)

Connector

Terminal

D38

10

Ground

Battery voltage

BCM

Front power window switch (passenger side)

Continuity

Connector

Terminal

 Connector

Terminal

M118

2

D38

10

Existed

BCM

Ground

Continuity

Connector

Terminal

M118

2

Not existed

(+)

(–)

Voltage (V)

(Approx.)

Rear power window switch 

Connector

Terminal

LH

D54

1

Ground

Battery voltage

RH

D74

 

 

 

 

 

 

 

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