Nissan Qashqai (2007-2010). Manual — part 1929
WCS-62
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
Fail Safe
INFOID:0000000001102070
Fail-safe index
BCM performs fail-safe control when any DTC listed below is detected.
JCMWA0411GB
WCS
BCM (BODY CONTROL MODULE)
WCS-63
< ECU DIAGNOSIS >
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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:0000000001102071
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
ON
OFF
Rear wiper stop position signal cannot be
input 5 seconds.
ON
The signal does not change for 5 seconds.
WCS-64
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
DTC Index
INFOID:0000000001102072
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
→
2
→
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
1
• U1000: CAN COMM CIRCUIT
• U1010: CONTROL UNIT (CAN)
2
• 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
0
1 - 39
—
U1010: CONTROL UNIT (CAN)
0
1 - 39
—
B2190: NATS ANTENNA AMP
CRNT
PAST
×
• Without Intelligent Key system
B2191: DIFFERENCE OF KEY
CRNT
PAST
×
• Without Intelligent Key system
B2192: ID DISCORD BCM-ECM
CRNT
PAST
×
• Without Intelligent Key system
B2193: CHAIN OF BCM-ECM
CRNT
PAST
×
• Without Intelligent Key system
B2194: DISCORD BCM-I-KEY
CRNT
PAST
×
B2195: ANTI SCANNING
CRNT
PAST
×
• Without Intelligent Key system
B2196: DONGLE NG
CRNT
PAST
×
WCS
THE LIGHT REMINDER WARNING DOES NOT SOUND
WCS-65
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
THE LIGHT REMINDER WARNING DOES NOT SOUND
Description
INFOID:0000000000892444
The light reminder warning does not sound under the following conditions.
• Lighting switch 1st or 2nd position
• Driver door open
• Ignition switch OFF or ACC
Diagnosis Procedure
INFOID:0000000000892445
1.
CHECK COMBINATION SWITCH (LIGHTING SWITCH) OPERATION
Check that the headlamps operate normally by operating the combination switch (lighting switch).
Do they operate normally?
YES
>> GO TO 2.
NO
>> Refer to
2.
CHECK FRONT DOOR SWITCH (DRIVER SIDE) SIGNAL CIRCUIT
Perform the inspection for the front door switch (driver side) signal circuit. Refer to
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK FRONT DOOR SWITCH (DRIVER SIDE) UNIT
Perform a unit inspection for the front door switch (driver side). Refer to
DLK-84, "DRIVER SIDE : Component
.
Is the inspection result normal?
YES
>> Replace the BCM. Refer to
NO
>> Replace the front door switch (driver side). Refer to
DLK-272, "Removal and Installation"
.
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