Nissan Qashqai (2007-2010). Manual — part 1098

BCM (BODY CONTROL MODULE)

DLK-471

< ECU DIAGNOSIS >

[WITH I-KEY & SUPER LOCK]

DLK

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:0000000001097296

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.

DLK-472

< ECU DIAGNOSIS >

[WITH I-KEY & SUPER LOCK]

BCM (BODY CONTROL MODULE)

DTC Index

INFOID:0000000001097297

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

—

BCS-33

B2190: NATS ANTENNA AMP

CRNT

PAST

• With Intelligent Key system

SEC-33

• Without Intelligent Key system

SEC-

174

B2191: DIFFERENCE OF KEY

CRNT

PAST

• With Intelligent Key system

SEC-35

• Without Intelligent Key system

SEC-

176

B2192: ID DISCORD BCM-ECM

CRNT

PAST

• With Intelligent Key system

SEC-36

• Without Intelligent Key system

SEC-

177

B2193: CHAIN OF BCM-ECM

CRNT

PAST

• With Intelligent Key system

SEC-38

• Without Intelligent Key system

SEC-

178

B2194: DISCORD BCM-I-KEY

CRNT

PAST

SEC-39

B2195: ANTI SCANNING

CRNT

PAST

• With Intelligent Key system

SEC-179

• Without Intelligent Key system

SEC-

179

B2196: DONGLE NG

CRNT

PAST

• With Intelligent Key system

SEC-41

• Without Intelligent Key system

SEC-

180

DOOR LOCK FUNCTION SYMPTOMS

DLK-473

< SYMPTOM DIAGNOSIS >

[WITH I-KEY & SUPER LOCK]

DLK

SYMPTOM DIAGNOSIS

DOOR LOCK FUNCTION SYMPTOMS

DOOR LOCK AND UNLOCK SWITCH

DOOR LOCK AND UNLOCK SWITCH : Symptom Table

INFOID:0000000001109309

DOOR LOCK AND UNLOCK SWITCH OPERATION MALFUNCTION

NOTE:
• Before performing the diagnosis in the following table, check “Work Flow”. Refer to

DLK-283, "Work Flow"

• Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and

check each symptom.

• If the following symptoms are detected, check systems shown in the “Diagnosis/service procedure” column

in this order.

Conditions of Vehicle (Operating Conditions)

• Except driver side, doors are closed.
• Super lock is not in set state.
• Passenger side door is not in anti-hijack state.
• Doors are not locked by Intelligent Key or door request switch.

Symptom Table

INTELLIGENT KEY

INTELLIGENT KEY : Symptom Table

INFOID:0000000001109310

INTELLIGENT KEY OPERATION MALFUNCTION

NOTE:
• Before performing the diagnosis in the following table, check “WORK FLOW”. Refer to

DLK-283, "Work

Flow"

Symptom

Diagnosis/service procedure

Reference

page

Door lock and unlock function does not oper-
ate with door lock and unlock switch.

Check BCM power supply and ground circuit.

DLK-335

Check door lock and unlock switch.

DLK-337

Check door switch.

Passenger side

Rear LH

Rear RH

Back door

Check intermittent incident.

GI-39

Specific door lock does not operate properly.

Check door lock actuator.

Driver side

Passenger side

Rear LH

Rear RH

Check intermittent incident.

GI-39

Specific door does not open from inside the ve-
hicle.

Check super lock actuator.

Driver side

Passenger side

Rear LH

Rear RH

Check intermittent incident.

GI-39

Rear LH and RH door lock actuator does not
operate.

Check passenger side anti-hijack relay.

DLK-395

Check intermittent incident.

GI-39

DLK-474

< SYMPTOM DIAGNOSIS >

[WITH I-KEY & SUPER LOCK]

DOOR LOCK FUNCTION SYMPTOMS

• Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and

check each symptom.

• If the following symptoms are detected, check systems shown in the “Diagnosis/service procedure” column

in this order.

Conditions of Vehicle (Operating Conditions)

• Door lock and unlock switch operations are normal.
• Emergency key is removed from ignition key cylinder.
• All doors are closed.
• Ignition knob is not pressed.
• No Intelligent keys are inside the vehicle.

Symptom Table

DOOR REQUEST SWITCH

DOOR REQUEST SWITCH : Symptom Table

INFOID:0000000001109311

DOOR REQUEST SWITCH OPERATION MALFUNCTION

NOTE:
• Before performing the diagnosis in the following table, check “Work Flow”. Refer to

DLK-283, "Work Flow"

• Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and

check each symptom.

• If the following symptoms are detected, check systems shown in the “Diagnosis/service procedure” column

in this order.

Conditions of Vehicle (Operating Conditions)

• Intelligent Key operation is normal.
• “LOCK/UNLOCK BY I-KEY” is ON when setting on CONSULT-III.
• Emergency key is removed from ignition key cylinder.
• Ignition switch is in OFF position.
• No Intelligent Keys are inside the vehicle.

Symptom Table

Symptom

Diagnosis/service procedure

Reference

page

All of the Intelligent Key functions do not
operate.

Check Intelligent Key unit power supply and ground circuit.

DLK-335

Check driver side door switch.

DLK-353

Check key switch.

DLK-355