Nissan Leaf. Manual - part 1271

WCS

SYSTEM

WCS-11

< SYSTEM DESCRIPTION >

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TIMING CHART

SOUND SPECIFICATION

PARKING BRAKE RELEASE WARNING CHIME
PARKING BRAKE RELEASE WARNING CHIME : Parking Brake Release Warning 
Chime

INFOID:0000000010121626

SYSTEM DIAGRAM

WARNING OPERATION CONDITIONS

If all of the following conditions are fulfilled:

WARNING CANCEL CONDITIONS

Warning is canceled if any of the following conditions are fulfilled:

JSNIA4176GB

JSNIA3111GB

JSNIA2422GB

Operation conditions

Power switch

ON

Parking brake

During the operation (parking brake switch ON)

Vehicle speed

Approximately 4.3 MPH (7 km/h) or more

WCS-12

< SYSTEM DESCRIPTION >

SYSTEM

SIGNAL PATH

Combination meter sounds integrated buzzer when it judges that parking brake release warning chime is nec-

essary from signals below.

TIMING CHART

Operation conditions

Power switch

OFF

Parking brake

Release condition (parking brake switch OFF)

Vehicle speed

Approximately 1.9 MPH (3 km/h) or less

Signal name

Signal source

Power switch signal

—

Parking brake switch signal

Parking brake switch 

 Combination meter

Vehicle speed signal

ABS actuator and electric unit (control unit) 

 Combination meter

AWNIA3463GB

WCS

DIAGNOSIS SYSTEM (COMBINATION METER)

WCS-13

< SYSTEM DESCRIPTION >

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DIAGNOSIS SYSTEM (COMBINATION METER)

Description

INFOID:0000000010505311

COMBINATION METER SELF-DIAGNOSIS MODE

The following meter function can be checked during the Combination Meter Self-Diagnosis Mode:

STARTING COMBINATION METER SELF-DIAGNOSIS MODE

NOTE:

• Check combination meter power supply and ground circuit if the self-diagnosis mode does not start. Refer to

MWI-85, "COMBINATION METER : Diagnosis Procedure"

. Replace combination meter if power supply and

ground circuits are found to be normal and self-diagnosis mode does not start. Refer to 

MWI-102, "Removal

and Installation"

.

• Check upper meter power supply, ground circuit and communication signal circuits if the self-diagnosis

mode does not start. Refer to 

MWI-85, "UPPER METER : Diagnosis Procedure"

 for power supply and

ground circuit and 

MWI-87, "Diagnosis Procedure"

 for communication signal circuit. Replace upper meter if

power supply, ground circuit and communication signal circuits are found to be normal and self-diagnosis

mode does not start. Refer to 

MWI-103, "Removal and Installation"

.

• Combination meter self-diagnosis mode will function with the power switch in ON. Combination meter self-

diagnosis mode will exit upon turning the power switch to OFF. 

How to Initiate Self-Diagnosis Mode

1. Power switch OFF.
2. Turn the power switch ON while holding down the trip reset

switch (1).

3. If the diagnosis function is activated with “trip A” displayed, the mileage on “trip A” is reset to “0000.0”.

(The same way for “trip B”.)

4. Make sure that the trip meter displays “0000.0”.
5. Press the trip reset switch at least 3 times (within 7 seconds after power ON).
6. The upper meter (A) and combination meter (B) is turned to self-diagnosis mode.

• The following items are OFF:

- Speedometer

- Power meter

- Li-ion battery temperature gauge

- Li-ion battery capacity level gauge

- Li-ion battery available charge gauge

- Eco indicator

Diagnosis item

LCD (liquid crystal display) check

• Speedometer
• Power meter
• Li-ion battery temperature gauge
• Li-ion battery capacity level gauge
• Li-ion battery available charge gauge
• Eco indicator
• Driving range display
• Outside air temperature display
• Clock display
• Information display

JSNIA3680ZZ

WCS-14

< SYSTEM DESCRIPTION >

DIAGNOSIS SYSTEM (COMBINATION METER)

- Driving range display

- Outside air temperature display

- Clock display

- Information display

7. The segments and information display turn ON while the trip reset switch is depressed.

NOTE:

• If there is a segment that does not turn ON, replace the combination meter or upper meter.

• If the information display does not turn ON, replace the combination meter.

CONSULT Function (METER/M&A)

INFOID:0000000010505312

CONSULT APPLICATION ITEMS

CONSULT can perform the following diagnosis modes via CAN communication and the combination meter.

SELF DIAG RESULT

Refer to 

WCS-32, "DTC Index"

.

DATA MONITOR

Display Item List

JSNIA3683ZZ

System

Diagnosis mode

Description

METER/M&A

Self Diagnostic Result

The combination meter checks the conditions and displays memorized errors.

Data Monitor

Displays the combination meter input/output data in real time.

Work support

Allows quick and precise adjustment of component parts and systems.

Warning History

Lighting history of the warning lamp and indicator lamp can be checked.