Nissan Leaf. Manual - part 163

 

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Nissan Leaf. Manual - part 163

 

 

BCS-46

< ECU DIAGNOSIS INFORMATION >

BCM

*: For Canada

Fail-safe

INFOID:0000000010122327

FAIL-SAFE CONTROL BY DTC

BCM performs fail-safe control when any DTC are detected.

*: “ECM” is indicated on CONSULT display, however this means VCM on this vehicle.

REAR WIPER MOTOR PROTECTION

BCM detects the rear wiper stopping position according to the rear wiper stop position signal.

96

(BR)

Ground

Accessory relay 
control

Output

Power switch

OFF

0 - 0.5 V

ACC or ON

Battery voltage

97

(LG)

Ground READY signal

Output

Power switch ON

Battery voltage

Power switch ON 

→ Set the vehicle to 

READY [Power supply position: READY 
(CRANK)]

0 - 0.5 V

98

(L)

Ground

Ignition relay (IPDM 
E/R) control

Output

Power switch

OFF or ACC

Battery voltage

ON

0 - 0.5 V

99

(GR)

Ground

Ignition relay (F/B) 
control

Output

Power switch

OFF or ACC

0 - 0.5 V

ON

Battery voltage

100

(P)

Ground

Passenger door re-
quest switch

Input

Passenger door 
request switch

ON (Pressed)

0 - 1.5 V

OFF (Released)

Battery voltage

102

(BG)

Ground P/N position

Input

Shift position

P or N position

Battery voltage

Except P and N positions

0 - 1.5 V

105
(W)

Ground Stop lamp switch 2

Input

Power switch OFF

Battery voltage

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

Display contents of CONSULT

Fail-safe

Cancellation

B2192: ID DISCORD BCM-ECM*

Inhibit setting the vehi-
cle to READY

Erase DTC

B2193: CHAIN OF BCM-ECM*

Inhibit setting the vehi-
cle to READY

Erase DTC

B2195: ANTI-SCANNING

Inhibit setting the vehi-
cle to READY

Power switch ON 

→ OFF

B2196: DONGLE NG

Inhibit setting the vehi-
cle to READY

Erase DTC

B2198: IMMOBI ANT NG

Inhibit setting the vehi-
cle to READY

Erase DTC

B261E: FUEL MIS CONFIG

Inhibit setting the vehi-
cle to READY

When the VCM status signal is normally received from VCM.

B26F1: IGN RELAY OFF STUCK

Inhibit setting the vehi-
cle to READY

When the following conditions are fulfilled
• Power switch ON signal (CAN: Transmitted from BCM): ON
• Power switch ON signal (CAN: Transmitted from IPDM E/R): ON

B26F2: IGN RELAY ON STUCK

Inhibit setting the vehi-
cle to READY

When the following conditions are fulfilled
• Power switch ON signal (CAN: Transmitted from BCM): OFF
• Power switch ON signal (CAN: Transmitted from IPDM E/R): OFF

B26F7: LF DRIVER COMMUNI-
CATION

Inhibit setting the vehi-
cle to READY

When inside key antennas function normally

U0415: VDC CAN CIRC2

Inhibit setting the vehi-
cle to READY

When vehicle speed signal (Meter) (CAN) is received normally

BCS

BCM

BCS-47

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

When the rear wiper stop position signal does not change for more than 5 seconds while driving the rear

wiper, BCM stops power supply to protect the rear wiper motor.

Condition of cancellation

1. More than 1 minute is passed after the rear wiper stop.

2. Turn rear wiper switch OFF.

3. Operate the rear wiper switch or rear washer switch.

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.

DTC Inspection Priority Chart

INFOID:0000000010122328

If some DTCs are displayed at the same time, perform inspections one by one based on the following priority

chart.

Priority

DTC

1

B2562: LOW VOLTAGE

2

• U1000: CAN COMM CIRCUIT
• U1010: CONTROL UNIT(CAN)
• U0293: LOST COMM (HV ECU)

3

• B2192: ID DISCORD BCM-ECM*
• B2193: CHAIN OF BCM-ECM*
• B2195: ANTI-SCANNING
• B2196: DONGLE NG
• B2198: IMMOBI ANT NG

4

• B2555: STOP LAMP CIRCUIT
• B2556: ENG START SW
• B2557: VEHICLE SPEED
• B2601: SHIFT P SIGNAL
• B2602: SHIFT P DIAG
• B2603: SHIFT POSITION
• B2604: SHIFT PN DIAG CAN
• B2614: ACC RELAY REQ F/B 
• B2616: IGN RELAY2 REQ F/B
• B2617: ST RELAY REQ F/B
• B2618: IGN RELAY1 REQ F/B
• B261A: ENG SW
• B261E: FUEL MIS CONFIG
• B26F1: IGN RELAY OFF STUCK
• B26F2: IGN RELAY ON STUCK
• B26F6: IGN USM CONT
• B26F7: LF DRIVER COMMUNICATION
• B26FC: KEYFOB MISS REGISTRATION
• C1729: VHCL SPEED SIG ERR
• U0415: VDC CAN CIR2

5

• C1704: LOW PRESSURE FL
• C1705: LOW PRESSURE FR
• C1706: LOW PRESSURE RR
• C1707: LOW PRESSURE RL
• C1708: [NO DATA] FL
• C1709: [NO DATA] FR
• C1710: [NO DATA] RR
• C1711: [NO DATA] RL
• C1716: [PRESSDATA ERR] FL
• C1717: [PRESSDATA ERR] FR
• C1718: [PRESSDATA ERR] RR
• C1719: [PRESSDATA ERR] RL

BCS-48

< ECU DIAGNOSIS INFORMATION >

BCM

*: “ECM” is indicated on CONSULT display, however this means VCM on this vehicle.

DTC Index

INFOID:0000000010122329

NOTE:

The details of time display are as follows.

• CRNT: A malfunction is detected now.

• PAST: A malfunction was detected in the past.

IGN counter is displayed on Freeze Frame Data.

6

• B2621: INSIDE ANTENNA 1
• B2622: INSIDE ANTENNA 2
• B2623: INSIDE ANTENNA 3

7

• B2626: OUTSIDE 1 ANTENNA
• B2627: OUTSIDE 2 ANTENNA
• B2628: OUTSIDE 3 ANTENNA

Priority

DTC

CONSULT display

Fail-safe

   Freeze Frame
           Data
• Vehicle Speed
• Odo/Trip 

Meter

• Vehicle Condi-

tion

Intelligent Key 

warning lamp 

ON

Low tire pres-

sure warning 

lamp ON

Reference 

page

No DTC is detected.
further testing
may be required.

U0293:  LOST  COMM  (HV  ECU)

BCS-63

U0415: VDC CAN CIR2

×

×

BCS-64

U1000: CAN COMM CIRCUIT

BCS-61

U1010:  CONTROL  UNIT(CAN)

BCS-62

B2192: ID DISCORD BCM-ECM*

×

SEC-70

B2193: CHAIN OF BCM-ECM*

×

SEC-71

B2195: ANTI-SCANNING

×

SEC-72

B2196: DONGLE NG

×

SEC-73

B2198: IMMOBI ANT NG

×

SEC-75

B2555: STOP LAMP CIRCUIT

×

×

SEC-78

B2556: ENG START SW

×

×

SEC-81

B2557: VEHICLE SPEED

×

×

×

SEC-83

B2562: LOW VOLTAGE

×

BCS-65

B2601: SHIFT P SIGNAL

×

×

×

SEC-84

B2602: SHIFT P DIAG

×

×

×

SEC-86

B2603: SHIFT POSITION

×

×

×

SEC-88

B2604: SHIFT PN DIAG CAN

×

×

×

SEC-90

B2614: ACC RELAY REQ F/B

×

×

PCS-53

B2616: IGN RELAY2 REQ F/B

×

×

PCS-55

B2617: ST RELAY REQ F/B

×

×

SEC-92

B2618: IGN RELAY1 REQ F/B

×

×

PCS-57

B261A: ENGINE SW

×

×

PCS-59

B261E: FUEL MIS CONFIG

×

×

SEC-96

B2621: INSIDE ANTENNA 1

×

DLK-68

B2622: INSIDE ANTENNA 2

×

DLK-70

BCS

BCM

BCS-49

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

*: “ECM” is indicated on CONSULT display, however this means VCM on this vehicle.

B2623: INSIDE ANTENNA 3

×

DLK-72

B2626: OUTSIDE 1 ANTENNA

×

DLK-74

B2627: OUTSIDE 2 ANTENNA

×

DLK-76

B2628: OUTSIDE 3 ANTENNA

×

DLK-78

B26F1: IGN RELAY OFF STUCK

×

×

×

PCS-61

B26F2: IGN RELAY ON STUCK

×

×

×

PCS-62

B26F6: IGN USM CONT FAIL

×

×

PCS-63

B26F7: LF DRIVER COMMUNICATION

×

×

×

SEC-97

B26FC: KEYFOB MISS REGISTRATION

×

×

SEC-98

C1704: LOW PRESSURE FL

×

WT-24

C1705: LOW PRESSURE FR

×

C1706: LOW PRESSURE RR

×

C1707: LOW PRESSURE RL

×

C1708: [NO DATA] FL

×

WT-26

C1709: [NO DATA] FR

×

C1710: [NO DATA] RR

×

C1711: [NO DATA] RL

×

C1716: [PRESSDATA ERR] FL

×

WT-29

C1717: [PRESSDATA ERR] FR

×

C1718: [PRESSDATA ERR] RR

×

C1719: [PRESSDATA ERR] RL

×

C1729: VHCL SPEED SIG ERR

×

WT-31

CONSULT display

Fail-safe

   Freeze Frame
           Data
• Vehicle Speed
• Odo/Trip 

Meter

• Vehicle Condi-

tion

Intelligent Key 

warning lamp 

ON

Low tire pres-

sure warning 

lamp ON

Reference 

page

 

 

 

 

 

 

 

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