Nissan Tiida C11. Manual - part 140

DEF-8

< FUNCTION DIAGNOSIS >

REAR WINDOW DEFOGGER SYSTEM

*: 

With door mirror defogger

Front air control (rear window 
defogger switch)

• The rear window defogger switch is turned ON.
• Turns the indicator lamp ON when detecting the operation of rear window defogger.

Rear window defogger

• Heats the heating wire with the power supply from the rear window defogger relay to prevent 

the rear window from fogging up.

Door mirror defogger

*

• Heats the heating wire with the power supply from the rear window defogger relay to prevent 

the door mirror from fogging up.

DIAGNOSIS SYSTEM (BCM)

DEF-9

< FUNCTION DIAGNOSIS >

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DIAGNOSIS SYSTEM (BCM)

COMMON ITEM

COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM)

INFOID:0000000001697545

APPLICATION ITEM

CONSULT-III performs the following functions via CAN communication with BCM.

SYSTEM APPLICATION

BCM can perform the following functions for each system.
NOTE:
It can perform the diagnosis modes except the following for all subsystem selection items.

REAR WINDOW DEFOGGER

REAR WINDOW DEFOGGER : CONSULT-III Function (BCM - REAR DEFOGGER)

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Data monitor

ACTIVE TEST

Diagnosis mode

Function Description

WORK SUPPORT

Changes the setting for each system function.

SELF-DIAG RESULTS

Displays the diagnosis results judged by BCM. Refer to 

XX-XX, "*****"

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CAN DIAG SUPPORT MNTR

Monitors the reception status of CAN communication viewed from BCM.

DATA MONITOR

The BCM input/output signals are displayed.

ACTIVE TEST

The signals used to activate each device are forcibly supplied from BCM.

ECU IDENTIFICATION

The BCM part number is displayed.

CONFIGURATION

This function is not used even though it is displayed.

System

Sub system selection item

Diagnosis mode

WORK SUPPORT

DATA MONITOR

ACTIVE TEST

Rear window defogger

REAR DEFOGGER

×

×

BCM

BCM

×

Monitor Item

Description

REAR DEF SW

Indicates [ON/OFF] condition of rear defogger switch switch.

PUSH SW

Indicates [ON/OFF] condition of push switch.

Test Item

Description

REAR DEFOGGER

This test is able to check rear window defogger operation. Rear window defogger operates when 
“ON” on CONSULT-III screen is touched.

DEF-10

< FUNCTION DIAGNOSIS >

CAN COMMUNICATION

CAN COMMUNICATION

System Description

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Refer to 

XX-XX, "*****"

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REAR WINDOW DEFOGGER SWITCH

DEF-11

< COMPONENT DIAGNOSIS >

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COMPONENT DIAGNOSIS

REAR WINDOW DEFOGGER SWITCH

Description

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• The rear window defogger is operated by turning the rear window defogger switch ON.
• Turns the indicator lamp in the rear window defogger switch ON when operating the rear window defogger.

Component Function Check

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1.

 CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION

Check that the indicator lamp of rear window defogger illuminates with rear window defogger switch ON.

Is the inspection result normal?

YES

>> Rear window defogger switch function is OK.

NO

>> Refer to 

DEF-11, "Diagnosis Procedure"

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Diagnosis Procedure

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1.

 CHECK CONTROLLER (AUTO AMP.) (REAR WINDOW DEFOGGER SWITCH)

Does controller (auto amp.) operate normally?

Is the inspection result normal?

YES

>> Inspection End.

NO

>> GO TO 2

2.

 CHECK REAR WINDOW DEFOGGER SWITCH INDICATOR CIRCUIT

1.

Turn ignition switch ON.

2.

Check voltage between controller (auto amp.) connector and
ground.

Is the inspection result normal?

YES

>> Repair or replace harness.

NO

>> Replace controller (auto amp.). Refer to 

XX-XX, "*****"

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Terminals

Condition of rear 

window defogger 

switch

Voltage (V)

(Approx.)

(+)

(–)

Controller (auto 

amp.) connec-

tor

Terminal 

M37

22

Ground

ON Battery 

voltage

OFF

0

ALLIA0174ZZ