Content .. 117 118 119 120 ..

Nissan Sentra. Manual - part 119

BCS-46

< ECU DIAGNOSIS INFORMATION >

[WITH INTELLIGENT KEY SYSTEM]

BCM

: with CVT

: with M/T

Fail-safe

INFOID:0000000009757326

BCM performs fail-safe control when the following DTCs are detected.

100

(R)

Ground

Door switch (AS)
signal

Input

Front door
switch RH

OFF (front RH door
closed)

7.0 - 8.0 V

ON (front RH door open)

0 V

103

(V)

Ground

Trunk room lamp
switch signal

Input

Trunk room
lamp switch

OFF (trunk lid closed)

7.0 - 8.0 V

ON (trunk lid open)

0 V

105

(G)

Ground

Door unlock output
(RR, RL)

Output

Rear doors

UNLOCK (Actuator is acti-
vated)

Battery voltage

Actuator is not activated

0 V

107

(GR)

Ground Trunk open output

Output

Trunk opener
request switch
released

Trunk lid actuator idle

0 V

Trunk opener
request switch
depressed

Trunk lid actuator activat-
ed

Battery voltage

109

(SB)

Ground

Request sw (trunk)
signal

Input

Trunk opener
request switch

Depressed

0 – 1.5 V

Released

Battery voltage

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

−

PKIB4960J

CONSULT Display

Fail-safe

Cancellation

B2192: ID DISCORD BCM-ECM

Inhibit engine cranking

Erase DTC

B2193: CHAIN OF BCM-ECM

Inhibit engine cranking

Erase DTC

B2195: ANTI SCANNING

Inhibit engine cranking

Ignition switch ON

→ OFF

B2196: DONGLE NG

Inhibit engine cranking

Erase DTC

B2198: NATS ANTENNA AMP

Inhibit engine cranking

Erase DTC

B2557: VEHICLE SPEED

—

When the following CAN signal status (vehicle speed signal) becomes
consistent
• Vehicle speed signal (ABS)
• Vehicle speed signal (Meter)

B2601: SHIFT P SIGNAL

—

500 ms after the following signal reception status becomes consistent
• Park position switch signal
• P range signal (CAN)

BCS

BCM

BCS-47

< ECU DIAGNOSIS INFORMATION >

[WITH INTELLIGENT KEY SYSTEM]

B2602: SHIFT P DIAG

—

5 seconds after the following BCM recognition conditions are fulfilled
• Ignition switch is in the ON position
• Park position switch signal: P position (push selector button) or ex-

cept P position (9 – 16 V)

• Vehicle speed: 4 km/h (2.5 MPH) or more

B2603: SHIFT POSITION

—

500 ms after any of the following BCM recognition conditions are fulfilled
• Status 1
- Ignition switch is in the ON position
- Park position switch signal: P position (push selector button) or ex-

cept P position (9 – 16 V)

- P/N position signal: Except P and N positions (0 – 1.5 V)
• Status 2
- Ignition switch is in the ON position
- Park position switch signal: P position (release selector button) (0 –

1.5 V)

- P/N position signal: P or N positions (9 – 16 V)

B2604: SHIFT PN DIAG CAN

—

500 ms after any of the following BCM recognition conditions are fulfilled
• Status 1
- Ignition switch is in the ON position
- P/N position signal: P or N position (9 – 16 V)
- Shift position signal (CAN): P or N position
• Status 2
- Ignition switch is in the ON position
- P/N position signal: Except P and N positions (0 – 1.5 V)
- Shift position signal (CAN): Except P and N position

B2605: SHIFT PN DIAG IPDM

—

500 ms after any of the following BCM recognition conditions are fulfilled
• Status 1
- Ignition switch is in the ON position
- P/N position signal: Except P and N positions (0 – 1.5 V)
• Status 2
- Ignition switch is in the ON position
- P/N position signal: P or N position (9 – 16 V)

B2608: STARTER RELAY

Inhibit engine cranking

500 ms after the following signal communication status becomes con-
sistent
• Starter motor relay control signal
• Starter relay status signal (CAN)

B260F: ECM CAN COMM

Inhibit engine cranking

When any of the following conditions are fulfilled
• Ignition switch changes to ACC
• Receives engine status signal (CAN)

B261F: ASCD CNCL/CLTCH SW

—

BCM detects clutch pedal position switch signal (CAN) status [ON
(Clutch pedal is released)]

B2620: NEUTRAL SW

—

BCM detects neutral switch signal status [OFF (9 – 16 V: Control lever
except NEUTRAL position)]

B26E8: CLUTCH SW

—

When any of the following BCM recognition conditions are fulfilled
• Status 1
- Clutch pedal position switch signal: ON (9 – 16 V: Clutch pedal is re-

leased)

- Clutch interlock switch signal: OFF (0 – 0.5 V: Clutch pedal is re-

leased)

• Status 2
- Clutch pedal position switch signal: OFF (0 – 1.5 V: Clutch pedal is

depressed)

- Clutch interlock switch signal: ON (9 – 16 V: Clutch pedal is de-

pressed)

B26F1: IGN RELAY OFF

Inhibit engine cranking

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

B26F2: IGN RELAY ON

Inhibit engine cranking

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

CONSULT Display

Fail-safe

Cancellation

BCS-48

< ECU DIAGNOSIS INFORMATION >

[WITH INTELLIGENT KEY SYSTEM]

BCM

DTC Inspection Priority Chart

INFOID:0000000009757327

If more than one DTC is displayed at the same time, perform inspections based on the following priority chart.

B26F3: START CONT RLY ON

Inhibit engine cranking

When the following conditions are fulfilled
• Starter control relay signal (CAN: Transmitted from BCM): OFF
• Starter control relay signal (CAN: Transmitted from IPDM E/R): OFF

B26F4: START CONT RLY OFF

Inhibit engine cranking

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

B26F7: BCM

Inhibit engine cranking
by Intelligent Key sys-
tem

When room antenna and luggage room antenna functions normally

U0415: VDC CAN CIR2

—

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

CONSULT Display

Fail-safe

Cancellation

Priority

DTC

B2562: LOW VOLTAGE

• 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: NATS ANTENNA AMP

• B2553: IGN POWER CIRCUIT
• 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
• B2605: SHIFT PN DIAG IPDM
• B2608: STARTER RELAY
• B260F: ECM CAN COMM
• B2614: ACC RELAY REQ FB
• B2615: IGN RELAY3 REQ FB
• B2616: IGN RELAY2 REQ FB
• B2618: IGN RELAY1 REQ FB
• B261A: ENGINE SW
• B261F: ASCD CNCL/CLTCH SW
• B2620: NEUTRAL SW
• B26E8: CLUTCH SW
• B26F1: IGN RELAY OFF
• B26F2: IGN RELAY ON
• B26F3: START CONT RLY ON
• B26F4: START CONT RLY OFF
• B26F6: BCM
• B26F7: BCM
• B26FC: KEY REGISTRATION
• U0415: VDC CAN CIR2

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

BCS

BCM

BCS-49

< ECU DIAGNOSIS INFORMATION >

[WITH INTELLIGENT KEY SYSTEM]

DTC Index

INFOID:0000000009757328

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.

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

• 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: [PRESS DATA ERR] FL
• C1717: [PRESS DATA ERR] FR
• C1718: [PRESS DATA ERR] RR
• C1719: [PRESS DATA ERR] RL
• C1729: VHCL SPEED SIG ERR

Priority

DTC

CONSULT display

Fail-safe

Freeze Frame Data

•Vehicle Speed

•Odo/Trip Meter

•Vehicle Condition

Intelligent Key

warning lamp

Low tire

pressure