Body Control System (Without Intelligent Key System): Other Nissan Note E12

Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"

The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE- TENSIONER", used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision. Information necessary to service the system safely is included in the " SRS AIRBAG " and " SEAT BELTS SRS AIRBAG " articles of this Service Information.

PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS

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OUTLINE

1. BCM (Body Control Module) controls the various electrical components. It inputs the information required to the control from CAN communication and the signal received from each switch and sensor.
2. BCM has combination switch reading function for reading the operation status of combination switches (light, turn signal, wiper and washer) in addition to a function for controlling the operation of various electrical components. It also has the signal transmission function as the passed point of signal and the power saving control function that reduces the power consumption with the ignition switch OFF.
3. BCM is equipped with the diagnosis function that performs the diagnosis with CONSULT and various settings.

BCM CONTROL FUNCTION LIST

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1. BCM reads the status of the combination switch (light, turn signal, wiper and washer) and recognizes the status of each switch.
2. BCM has a combination of 5 output terminals (OUTPUT 1 - 5) and 5 input terminals (INPUT 1 - 5). It reads a maximum of 20 switch states.

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COMBINATION SWITCH INPUT-OUTPUT SYSTEM LIST

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COMBINATION SWITCH INPUT-OUTPUT SYSTEM LIST

COMBINATION SWITCH READING FUNCTION

Description

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1. BCM reads the status of the combination switch at 10 ms intervals normally. NOTE: BCM reads the status of the combination switch at 60 ms intervals when BCM is controlled at low power consumption control mode.
2. BCM operates as follows and judges the status of the combination switch. It operates the transistor on OUTPUT side in the following order: OUTPUT 1 --> 2 --> 3 --> 4 --> 5, and outputs voltage waveform. The voltage waveform of OUTPUT corresponding to the formed circuit is input into the interface on INPUT side if any (1 or more) switches are ON. It reads this change of the voltage as the status signal of the combination switch.

Operation Example

In the following operation example, the combination of the status signals of the combination switch is replaced as follows: INPUT 1 - 5 to "1 - 5" and OUTPUT 1 - 5 to "A - E".

Example 1: When a switch (TAIL LAMP) is turned ON

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1. The circuit between OUTPUT 4 and INPUT 5 is formed when the TAIL LAMP switch is turned ON.
2. BCM detects the combination switch status signal "5D" when the signal of OUTPUT 4 is input to INPUT 5.
3. BCM judges that the TAIL LAMP switch is ON when the signal "5D" is detected.

Example 2: When some switches (TURN RH, TAIL LAMP) are turned ON

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1. The circuits between OUTPUT 1 and INPUT 5 and between OUTPUT 4 and INPUT 5 are formed when the TURN RH switch and TAIL LAMP switch are turned ON.
2. BCM detects the combination switch status signal "5AD" when the signals of OUTPUT 1 and OUTPUT 4 are input to INPUT 5.
3. BCM judges that the TURN RH switch and TAIL LAMP switch are ON when the signal "5AD" is detected.

WIPER INTERMITTENT DIAL POSITION (WITH VARIABLE INTERMITTENT WIPERS)

BCM judges the wiper intermittent dial 1 - 7 by the status of INT VOLUME 1, 2 and 3 switches.

Note. For details of wiper intermittent dial position, refer to " FRONT WIPER AND WASHER SYSTEM: SYSTEM DESCRIPTION ".

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BCM has the signal transmission function that outputs/transmits each input/received signal to each unit.

SIGNAL TRASNMISSION FUNCTION LIST

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1. BCM incorporates a power saving control function that reduces the power consumption according to the vehicle status.
2. BCM switches the status (control mode) by itself with the power saving control function. It performs the sleep request to each unit (IPDM E/R and combination meter) that operates with the ignition switch OFF.

Normal mode (wake-up)

1. CAN communication is normally performed with other units
2. Each control with BCM is operating properly

CAN communication sleep mode (CAN sleep)

1. CAN transmission is stopped
2. Control with BCM only is operating

Low power consumption mode (BCM sleep)

1. Low power consumption control is active
2. CAN transmission is stopped

LOW POWER CONSUMPTION CONTROL WITH BCM

BCM reduces the power consumption with the following operation in the low power consumption mode.

1. The reading interval of each switch changes from 10 ms interval to 60 ms interval.

SLEEP MODE ACTIVATION

1. BCM receives the sleep-ready signal (ready) from IPDM E/R and combination meter via CAN communication.
2. BCM transmits the sleep wake up signal (sleep) to each unit when all of the CAN sleep conditions are fulfilled.
3. Each unit stops the transmission of CAN communication with the sleep wake-up signal. BCM is in CAN communication sleep mode.
4. BCM is in the low power consumption mode and performs the low power consumption control when all of the BCM sleep conditions are fulfilled with CAN sleep condition.

SLEEP CONDITION DESCRIPTION

DATA MONITOR

WORK SUPPORT

CONFIGURATION

Refer to " DESCRIPTION ".

CAN DIAG SUPPORT MNTR

Refer to " CAN DIAGNOSTIC SUPPORT MONITOR ".

AIR PRESSURE MONITOR: CONSULT Function (BCM - AIR PRESSURE MONITOR)

Note. The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information. Activate and display TPMS transmitter IDs Display tire pressure reported by the TPMS transmitter Read TPMS DTCs Register TPMS transmitter IDs Test remote keyless entry keyfob relative signal strength

Reference Value

Note. The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information. Activate and display TPMS transmitter IDs Display tire pressure reported by the TPMS transmitter Read TPMS DTCs Register TPMS transmitter IDs Test remote keyless entry keyfob relative signal strength

PHYSICAL VALUES

Terminal No. (Wire color) Description Condition Value (Approx.) + - Signal name Input/Output 2 (BR) Ground Input 5 signal Input Combination switch OFF 0 V TURN RH HEADLAMP 1 HI BEAM TAIL LAMP 3 (1) (Y) Ground Input 4 signal Input Combination switch OFF 0 V TURN LH PASSING HEADLAMP 2 FR FOG 3 (2) (Y) Ground Input 4 signal Input Combination switch OFF 0 V TURN LH PASSING HEADLAMP 2 4 (1) (L) Ground Input 3 signal Input Combination switch OFF 0 V FR WIPER LOW FR WIPER INT (any intermittent position) 4 (2) (L) Ground Input 3 signal Input Combination switch OFF 0 V FR WIPER LOW FR WIPER INT 5 (1) (G) Ground Input 2 signal Input Combination switch OFF 0 V FR WASHER RR WASHER Wiper intermittent dial 1 Wiper intermittent dial 5 Wiper intermittent dial 6 RR WIPER ON 5 (2) (G) Ground Input 2 signal Input Combination switch OFF 0 V FR WASHER RR WASHER RR WIPER ON 6 (1) (R) Ground Input 1 signal Input Combination switch OFF 0 V FR WIPER HI Wiper intermittent dial 1 Wiper intermittent dial 2 Wiper intermittent dial 3 Wiper intermittent dial 6 Wiper intermittent dial 7 RR WIPER INT 6 (2) (R) Ground Input 1 signal Input Combination switch OFF 0 V FR WIPER HI RR WIPER INT 7 (W) Ground Key cylinder unlock sw signal Input Key cylinder switch N position UNLOCK position 0 V 8 (GR) Ground Key cylinder lock sw signal Input Key cylinder switch N position LOCK position 0 V 9 (LG) Ground Brake sw 1 signal Input Stop lamp switch OFF (brake pedal released) 0 V ON (brake pedal depressed) Battery voltage 10 (G) Ground Rear defogger sw signal Input Rear window defogger switch OFF Battery voltage ON 0 V 1 (1) (L) Ground ACC switch signal Input Ignition switch OFF 0 V ACC or ON Battery voltage 12 (GR) Ground Central door lock sw signal Input Door lock and unlock switch N position LOCK position 0 V 13 (BR) Ground Central door unlock sw signal Input Door lock and unlock switch N position UNLOCK position 0 V 18 (V) Ground Keyless gnd signal Input Ignition switch ON 0 V 19 (LG) Ground Keyless tuner power supply Input Ignition switch OFF Key inserted into ignition key cylinder 0 V Key removed from ignition key cylinder (Any door open) 5 V Key removed from ignition key cylinder (Any door closed) 20 (G) Ground Keyless tuner signal Input Ignition switch OFF Key inserted into ignition key cylinder 0 V Waiting Signal receiving 21 (P) Ground Immobilizer one way communication (clock) signal Input/Output While waiting Turn ignition switch ON. Turn ignition switch ON: Pointer of tester should move. 23 (R/Y) Ground Security indicator output signal Input Security indicator ON 0 V Blinking (Ignition switch OFF) OFF Battery voltage 24 (SB) Ground Audio/dongle link (serial) signal Input/Output Ignition switch OFF. 5 V 25 (LG) Ground Immobilizer two way communication signal Input/Output While waiting Turn ignition switch ON. Turn ignition switch ON: Pointer of tester should move. 26 (O) Ground THERMO amp. signal Input Push-button ignition switch ON and blower fan switch ON A/C switch OFF Battery voltage A/C switch ON 0 V 27 (V) Ground Air conditioner switch signal Input A/C switch OFF 9V - 12V ON 0 V 28 (SB) Ground Blower fan sw signal Input Fan switch OFF 0 V I, II, III or IIII 29 (O) Ground Hazard sw signal Input Hazard switch OFF Battery voltage ON 0 - 1.5 V 3 (1) (LG) Ground Front defrost switch Input - - 32 (1) (P) Ground Output 5 signal Output Combination switch OFF FR FOG RR WIPER ON Wiper intermittent dial 1 Wiper intermittent dial 2 Wiper intermittent dial 6 Wiper intermittent dial 7 32 (2) (P) Ground Output 5 signal Output Combination switch OFF RR WIPER ON 33 (1) (V) Ground Output 4 signal Output Combination switch OFF TAIL LAMP Wiper intermittent dial 1 Wiper intermittent dial 5 Wiper intermittent dial 6 RR WIPER INT 33 (2) (V) Ground Output 4 signal Output Combination switch OFF TAIL LAMP RR WIPER INT 34 (1) (W) Ground Output 3 signal Output Combination switch OFF HI BEAM HEADLAMP 2 RR WASHER Wiper intermittent dial 1 Wiper intermittent dial 2 Wiper intermittent dial 3 34 (2) (W) Ground Output 3 signal Output Combination switch OFF HI BEAM HEADLAMP 2 RR WASHER 35 (1) (GR) Ground Output 2 signal Output Combination switch OFF FR WIPER HI FR WIPER INT (any intermittent position) PASSING HEADLAMP 1 35 (2) (GR) Ground Output 2 signal Output Combination switch OFF FR WIPER HI FR WIPER INT PASSING HEADLAMP 1 36 (LG) Ground Output 1 signal Output Combination switch OFF FR WASHER FR WIPER LOW TURN LH TURN RH 37 (Y) Ground Key sw signal Input Ignition switch Ignition key inserted into ignition key cylinder Battery voltage Ignition key removed from ignition key cylinder 0 V 38 (O) Ground Ign sw signal Input Ignition switch OFF or ACC 0 V ON or START Battery voltage 39 (L) Ground CAN-H signal Input/Output - - 40 (P) Ground CAN-L signal Input/Output - - 41 (G) Ground Door unlock output (DR) signal Output Front door lock Actuator LH Actuated to UNLOCK position Battery voltage Other than actuated to UNLOCK position 0 V 42 (Y) Ground Battery (FUSE) Input Ignition switch OFF Battery voltage 43 (W) Ground Battery saver output signal Output Interior room lamp battery saver activated 0 V Interior room lamp battery saver not activated Battery voltage 44 (GR) Ground Rear defogger relay output signal Input Rear window defogger switch OFF Battery voltage ON 0 - 0.5 V 45 (R) Ground Room lamp output signal Output Interior room lamp or map lamp OFF Battery voltage ON Battery voltage DOOR 0 - 1 V 48 (L) Ground A/C indicator Input - - 50 (G) Ground Battery (F/L) Input Ignition switch OFF Battery voltage 52 (L) Ground Power window power supply (RAP) signal Output Ignition switch ON Battery voltage 53 (G) Ground Door unlock output (AS, RR, RL) signal Output Front door lock actuator RH, rear door lock actuator RH and rear door lock actuator LH Actuated to UNLOCK position Battery voltage Other than actuated to UNLOCK position 0 V 54 (SB) Ground Door lock output signal Output All door lock actuators Actuated to LOCK position Battery voltage Other than actuated to LOCK position 0 V 55 (B) Ground Gnd Output Ignition switch ON 0 V 56 (LG) Ground Rear wiper output Output Rear wiper OFF (stopped) 0V ON (activated) Battery voltage 57 (LG) Ground Door sw (RR) signal Input Rear door switch RH OFF (rear door RH closed) ON (rear door RH open) 0 V 58 (W) Ground Door sw (RL) signal Input Rear door switch LH OFF (rear door LH closed) ON (rear door LH open) 0 V 59 (SB) Ground Door sw (DR) signal Input Front door switch LH OFF (front door LH closed) ON (front door LH open) 0 V 60 (O) Ground Door sw (AS) signal Input Front door switch RH OFF (front door RH closed) ON (front door RH open) 0 V 62 (P) Ground Door switch (Back) signal Input Back door switch OFF (back door closed) ON (back door open) 0 V 63 (W) Ground Flasher output (RIGHT) signal Output Ignition switch ON Turn signal switch OFF 0 V Turn signal switch RH 64 (V) Ground Flasher output (LEFT) signal Output Ignition switch ON Turn signal switch OFF 0 V Turn signal switch LH 68 (R) Ground Rear wiper autostop switch Input Push-button ignition switch ON Rear wiper stop position Battery voltage Any position other than rear wiper stop position 0V 70 (L) Ground Cargo lamp output signal Output Back door Closed (cargo lamp OFF) Battery voltage Open (cargo lamp ON) 0 - 1 V (1) With variable intermittent wipers (2) Without variable intermittent wipers

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FAIL-SAFE CONTROL OF COMBINATION SWITCH READING FUNCTION CAUSED BY LOW POWER SUPPLY VOLTAGE

If voltage of battery power supply lower, BCM maintains combination switch reading to the status when input voltage is less than approximately 9 V.

Note. When voltage of battery power supply is approximately 9 V or more, combination switch reading function returns to normal operation.

Work Procedure

1. SAVING VEHICLE SPECIFICATION CONSULT Configuration Perform "READ CONFIGURATION" to save or print current vehicle specification. Refer to " «DESCRIPTION»(ref-675613-S03719429152014120500000) ". NOTE: If "READ CONFIGURATION" can not be used, use the "WRITE CONFIGURATION - Manual selection" after replacing BCM. : GO TO 2.
2. REPLACE BCM Replace BCM. Refer to " «REMOVAL AND INSTALLATION»(ref-675613-S40874896552014120500000) ". : GO TO 3.
3. WRITING VEHICLE SPECIFICATION CONSULT Configuration Perform "WRITE CONFIGURATION - Config file" or "WRITE CONFIGURATION - Manual selection" to write vehicle specification. Refer to " «WORK PROCEDURE»(ref-675613-S09526993322014120500000) ". : GO TO 4.
4. INITIALIZE BCM (NATS) (IF EQUIPPED) Perform BCM initialization. (NATS) : WORK END

1. WRITING MODE SELECTION CONSULT Configuration Select "CONFIGURATION" of BCM. When writing saved data: GO TO 2. When writing manually: GO TO 3 .
2. PERFORM "WRITE CONFIGURATION - CONFIG FILE" CONSULT Configuration Perform "WRITE CONFIGURATION - Config file". : WORK END
3. PERFORM "WRITE CONFIGURATION - MANUAL SELECTION" CONSULT Configuration Select "WRITE CONFIGURATION - Manual selection". Identify the correct model and configuration list. Refer to " «CONFIGURATION LIST»(ref-675613-S28901134402014120500000) ". Confirm and/or change setting value for each item. CAUTION: Thoroughly read and understand the vehicle specification. ECU control may not operate normally if the setting is not correct. NOTE: If items are not displayed, touch "SETTING". Refer to " «CONFIGURATION LIST»(ref-675613-S28901134402014120500000) " for written items and setting value. Select "SETTING". CAUTION: Make sure to select "SETTING" even if the indicated configuration of brand new BCM is same as the desirable configuration. If not, configuration which is set automatically by selecting vehicle model can not be memorized. When "COMMAND FINISHED", select "END". : GO TO 4.
4. OPERATION CHECK Confirm that each function controlled by BCM operates normally. : WORK END

Configuration List