Nissan Tiida C11. Manual - part 917

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< COMPONENT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

COMPONENT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

BCM

BCM : Diagnosis Procedure

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For information about power and ground inspection for the BCM, refer to 

BCS-30, "Diagnosis Procedure"

.

INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT

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INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT

Description

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Provides the interior room lamp power supply. Also cuts the power supply when the interior room lamp battery
saver activating.

Component Function Check

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1.

CHECK INTERIOR ROOM LAMP POWER SUPPLY FUNCTION

CONSULT-III ACTIVE TEST

1.

Turn ignition switch ON.

2.

Turn each interior room lamp ON.

-

Map lamp

-

Interior room lamp

-

Vanity mirror lamp (if equipped)

-

Trunk room lamp

3.

Select “BATTERY SAVER” of BCM (BATTERY SAVER) active test item.

4.

 With operating the test items, check that each interior room lamp is turned ON/OFF.

Is the interior room lamp turned ON/OFF?

YES

>> Interior room lamp power supply circuit is normal.

NO

>> Refer to 

INL-15, "Diagnosis Procedure"

.

Diagnosis Procedure

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1.

CHECK INTERIOR ROOM LAMP POWER SUPPLY OUTPUT

CONSULT-III ACTIVE TEST

1.

Turn ignition switch ON.

2.

Select “BATTERY SAVER” of BCM (BATTERY SAVER) active test item.

3.

With operating the test item, check voltage between BCM harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 2

NO

>> Replace BCM. Refer to 

XX-XX, "*****"

.

2.

CHECK INTERIOR ROOM LAMP POWER SUPPLY OPEN CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect the following connectors.

-

Map lamp

-

Interior room lamp

-

Vanity mirror lamp (driver side)(if equipped)

-

Vanity mirror lamp (passenger side)(if equipped)

-

Trunk room lamp

3.

Check continuity between BCM harness connector and each interior room lamp harness connector.

OFF

: Interior room lamp OFF

ON

: Interior room lamp ON

Terminals

Test item

Voltage (Approx.)

(+)

(

−

)

BCM

Ground

BATTERY 

SAVER

Connector

Terminal

M20

73

OFF

0V

ON

Battery voltage

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< COMPONENT DIAGNOSIS >

INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT

Does continuity exist?

YES

>> GO TO 3

NO

>> Repair the harnesses or connectors.

3.

CHECK INTERIOR ROOM LAMP POWER SUPPLY SHORT CIRCUIT

Check continuity between BCM harness connector and ground.

Does continuity exist?

YES

>> Repair the harnesses or connectors.

NO

>> Check that each interior room lamp has no internal short circuit.

BCM

Each interior room lamp

Continu-

ity

Connec-

tor

Terminal

Connector

Terminal

M20

73

Map lamp

R2

4

Existed

Interior room lamp

R7

3

Vanity mirror lamp 
RH

R10

1

Vanity mirror lamp 
LH

R9

1

Trunk room lamp

B36

1

BCM

Ground

Continuity

Connector

Terminal

M20

73

Not existed

INTERIOR ROOM LAMP CONTROL SYSTEM

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INTERIOR ROOM LAMP CONTROL SYSTEM

Wiring Diagram - INTERIOR ROOM LAMP -

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ALLWA0124GB