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Nissan Qashqai (2007-2010). Manual - part 1492

BCS-58

< ECU DIAGNOSIS >

BCM (BODY CONTROL MODULE)

JCMWA0410GB

BCS

BCM (BODY CONTROL MODULE)

BCS-59

< ECU DIAGNOSIS >

Fail Safe

INFOID:0000000000924646

Fail-safe index

BCM performs fail-safe control when any DTC listed below is detected.

JCMWA0411GB

BCS-60

< ECU DIAGNOSIS >

BCM (BODY CONTROL MODULE)

REAR WIPER CONTROL

BCM detects a rear wiper stopping position according to a rear wiper auto stop signal.
When a rear wiper auto stop signal is in the condition listed below, BCM stops power supply to rear wiper after
rear wiper is activated for five seconds.

NOTE:
The above operation is repeated when operating the rear wiper switch one minute after the stop of the rear
wiper caused by Fail-safe.

TURN SIGNAL LAMP CONTROL

BCM detects the turn signal lamp circuit status from the terminal voltage.
BCM increases the turn signal lamp blinking speed if the bulb or harness open is detected with the turn signal
lamp operating.
NOTE:
The blinking speed is normal while activating the hazard warning lamp.

LIGHT & RAIN SENSOR MALFUNCTION DETECTION FUNCTION

BCM controls the following items when LIGHT & RAIN sensor has a malfunction.

Auto Light Control

Headlamp is turned ON.

Front Wiper Control

The condition just before the activation of Fail-safe is maintained until the front wiper switch is turned OFF.

DTC Inspection Priority Chart

INFOID:0000000000924647

Display contents of CONSULT

Fail-safe

Cancellation

B2190: NATS ANTENNA AMP

• Inhibits engine cranking
• Inhibits steering lock unlocking (Intelligent Key unit)
• Fuel cut (ECM)

Erase DTC

B2191: DIFFERENCE OF KEY

• Inhibits engine cranking
• Inhibits steering lock unlocking (Intelligent Key unit)
• Fuel cut (ECM)

Erase DTC

B2192: ID DISCORD BCM-ECM

Fuel cut (ECM)

Erase DTC

B2193: CHAIN OF BCM-ECM

Fuel cut (ECM)

Erase DTC

B2194: DISCORD BCM-I-KEY

• Inhibits engine cranking
• Inhibits steering lock unlocking (Intelligent Key unit)
• Fuel cut (ECM)

Erase DTC

B2195: ANTI SCANNING

• Inhibits engine cranking
• Inhibits steering lock unlocking (Intelligent Key unit)
• Fuel cut (ECM)

Erase DTC

B2196: DONGLE NG

• Inhibits engine cranking
• Inhibits steering lock unlocking (Intelligent Key unit)
• Fuel cut (ECM)

Erase DTC

Ignition switch

Rear wiper switch

Auto stop signal

OFF

Rear wiper stop position signal cannot be
input 5 seconds.

The signal does not change for 5 seconds.

BCS

BCM (BODY CONTROL MODULE)

BCS-61

< ECU DIAGNOSIS >

DTC Index

INFOID:0000000000925732

NOTE:

Details of time display

• CRNT: Displays when there is a malfunction now or after returning to the normal condition until turning igni-

tion switch OFF

→

ON again.

• PAST: Displays when there is a malfunction that is detected in the past and stored.
• 1 - 39: Displayed if any previous malfunction is present when current condition is normal. It increases like 1

→

3...38

→

39 after returning to the normal condition whenever ignition switch OFF

→

ON. The counter

remains at 39 even if the number of cycles exceeds it. It is counted from 1 again when turning ignition switch
OFF

→

ON after returning to the normal condition if the malfunction is detected again.

Priority

DTC

• U1000: CAN COMM CIRCUIT
• U1010: CONTROL UNIT (CAN)

• B2190: NATS ANTENNA AMP
• B2191: DIFFERNCE OF KEY
• B2192: ID DISCORD BCM-ECM
• B2193: CHAIN OF BCM-ECM
• B2194: DISCORD BCM-I-KEY
• B2195: ANTI SCANNING
• B2196: DONGLE NG

CONSULT display

TIME

Fail-safe

Refer to

No DTC is detected.
further testing
may be required.

—

U1000: CAN COMM CIRCUIT

1 - 39

—

BCS-32

U1010: CONTROL UNIT (CAN)

1 - 39