Nissan Leaf. Instruction — 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)
—
—
—
—
U0415: VDC CAN CIR2
×
—
×
—
U1000: CAN COMM CIRCUIT
—
—
—
—
U1010: CONTROL UNIT(CAN)
—
—
—
—
B2192: ID DISCORD BCM-ECM*
×
—
—
—
B2193: CHAIN OF BCM-ECM*
×
—
—
—
B2195: ANTI-SCANNING
×
—
—
—
B2196: DONGLE NG
×
—
—
—
B2198: IMMOBI ANT NG
×
—
—
—
B2555: STOP LAMP CIRCUIT
—
×
×
—
B2556: ENG START SW
—
×
×
—
B2557: VEHICLE SPEED
×
×
×
—
B2562: LOW VOLTAGE
—
×
—
—
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: ENGINE SW
—
×
×
—
B261E: FUEL MIS CONFIG
—
×
×
—
B2621: INSIDE ANTENNA 1
—
×
—
—
B2622: INSIDE ANTENNA 2
—
×
—
—
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
—
×
—
—
B2626: OUTSIDE 1 ANTENNA
—
×
—
—
B2627: OUTSIDE 2 ANTENNA
—
×
—
—
B2628: OUTSIDE 3 ANTENNA
—
×
—
—
B26F1: IGN RELAY OFF STUCK
×
×
×
—
B26F2: IGN RELAY ON STUCK
×
×
×
—
B26F6: IGN USM CONT FAIL
—
×
×
—
B26F7: LF DRIVER COMMUNICATION
×
×
×
—
B26FC: KEYFOB MISS REGISTRATION
—
×
×
—
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
—
—
—
×
C1729: VHCL SPEED SIG ERR
—
—
—
×
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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