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Nissan X-Trail 32. Manual - part 90

BCS-76

< ECU DIAGNOSIS INFORMATION >

BCM

*3: Without Intelligent Key system
*4: RHD models

Fail-safe

INFOID:0000000010688607

FAIL-SAFE CONTROL BY DTC

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

REAR WIPER MOTOR PROTECTION

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

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

Turn rear wiper switch OFF.

Operate the rear wiper switch or rear washer switch.

Display contents of CONSULT

Fail-safe

B2190–00: CHAIN OF BCM-IMM ANT

Inhibit engine cranking

B2191–00: ID DISCORD, BCM-IMMANT

Inhibit engine cranking

B2192–00: ID DISCORD BCM-ECM

Inhibit engine cranking

B2193–00: CHAIN OF BCM-ECM

Inhibit engine cranking

B2195–00: ANTI-SCANNING

Inhibit engine cranking

B2196–00: DONGLE NG

Inhibit engine cranking

B2198–00: NATS ANTENNA AMP

Inhibit engine cranking

B2557–00: VEHICLE SPEED

Inhibit steering lock

B2602–00: SHIFT POSITION

Inhibit steering lock

B2604–00: PNP/CLUTCH SW

Inhibit steering lock

B2608–00: STARTER RELAY

Inhibit engine cranking

B260F–00: ENG STATE SIG LOST

Inhibit engine cranking

B26F1–00: IGN RELAY OFF

Inhibit engine cranking

B26F2–00: IGN RELAY ON

Inhibit engine cranking

B27D4–00: BCM - S/L SENSOR CIRCUIT

Inhibit steering unlock

B27D5–00: S/L SENSOR TEST OUTPUT

Inhibit steering unlock

B27D6–00: S/L CAN COMM CIRCUIT

Inhibit steering lock

B27D7–00: S/L PWR RELAY

Inhibit steering lock

B27D8–00: S/L VEHICLE SPEED MALFUNCTION

Inhibit steering lock

B27D9–00: S/L IGN MALFUNCTION

Inhibit steering lock/unlock

B27DA–00: IPDM CAN COMM CIRCUIT

Inhibit steering lock

B27DC–00: S/L POWER SUPPLY

Inhibit steering lock

B27DD–00: BCM - S/L ID DISCORD

Inhibit steering lock

B27DE–00: S/L MECHANICAL MALFUNCTION

Inhibit steering lock

B27DF–00: S/L HIGH LEVEL MALFUNCTION

Inhibit steering lock/unlock

B27E0–00: S/L LOW LEVEL MALFUNCTION

Inhibit steering lock

B27E1–00: S/L SAFETY CIRCUIT

Inhibit steering lock

B27E5–00: S/L IGN OFF POSITION

Inhibit steering lock

B27E6–00: S/L ANTI-SCAN MODE

Inhibit steering lock

B27E8–00: S/L UNDETERMINED LOCK POS

Inhibit steering lock

U0415: VEHICLE SPEED

Inhibit steering lock

BCS

BCM

BCS-77

< ECU DIAGNOSIS INFORMATION >

FAIL-SAFE CONTROL BY RAIN SENSOR MALFUNCTION

BCM detects the rain sensor serial link error and the rain sensor malfunction.
BCM controls the following fail-safe when rain sensor has a malfunction.
• Front wiper switch AUTO and sensing rain drop: The condition just before the activation of fail-safe is main-

tained until the front wiper switch is turned OFF.

• Front wiper switch AUTO and not sensing rain drop: Front wiper is LO operation until the front wiper switch is

turned off.

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:0000000010688608

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

Priority

DTC

B2562–00: LOW VOLTAGE

• U1000–00: CAN COMM
• U1010–00: CONTROL UNIT (CAN)

• B2190–00: CHAIN OF BCM-IMM ANT
• B2191–00: ID DISCORD, BCM-IMMANT
• B2192–00: ID DISCORD BCM-ECM
• B2193–00: CHAIN OF BCM-ECM
• B2195–00: ANTI-SCANNING
• B2196–00: DONGLE NG
• B2198–00: NATS ANTENNA AMP

BCS-78

< ECU DIAGNOSIS INFORMATION >

BCM

DTC Index

INFOID:0000000010688609

NOTE:
The details of time display are as follows.
• CRNT: A malfunction is detected now.
• PAST: A malfunction was detected in the past.

:Applicable

• B2556–00: PUSH-BTN IGN SW
• B2557–00: VEHICLE SPEED
• B2602–00: SHIFT POSITION
• B2604–00: PNP/CLUTCH SW
• B2608–00: STARTER RELAY
• B260F–00: ENG STATE SIG LOST
• B261A–00: PUSH-BTN IGN SW
• B261F–00: ASCD CNCL/CLTCH SW
• B2620–00: NEUTRAL SW
• B26E8–00: CLUTCH SW
• B26F1–00: IGN RELAY OFF
• B26F2–00: IGN RELAY ON
• B26FC–00: KEY REGISTRATION
• B27D1–00: START CUT RELAY OFF
• B27D2–00: START CUT RELAY ON
• B27D3–00: S/L THERMAL PROTECTION
• B27D4–00: BCM - S/L SENSOR CIRCUIT
• B27D5–00: S/L SENSOR TEST OUTPUT
• B27D6–00: S/L CAN COMM CIRCUIT
• B27D7–00: S/L PWR RELAY
• B27D8–00: S/L VEHICLE SPEED MALFUNCTION
• B27D9–00: S/L IGN MALFUNCTION
• B27DA–00: IPDM CAN COMM CIRCUIT
• B27DB–00: S/L IGN OFF
• B27DC–00: S/L POWER SUPPLY
• B27DD–00: BCM - S/L ID DISCORD
• B27DE–00: S/L MECHANICAL MALFUNCTION
• B27DF–00: S/L HIGH LEVEL MALFUNCTION
• B27E0–00: S/L LOW LEVEL MALFUNCTION
• B27E1–00: S/L SAFETY CIRCUIT
• B27E3–00: S/L KEY NOT REGISTRATION
• B27E4–00: S/L REGISTRATION STATUS
• B27E5–00: S/L IGN OFF POSITION
• B27E6–00: S/L ANTI-SCAN MODE
• B27E7–00: S/L UNDETERMINED UNLOCK POS
• B27E8–00: S/L UNDETERMINED LOCK POS
• U0415–00: VEHICLE SPEED