Nissan Qashqai (2007-2010). Manual — part 813
B1138, B1139, B1140, B1141, B1142, B1143 DIAGNOSIS SENSOR UNIT
SRC-139
< COMPONENT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
With CONSULT-III
CAUTION:
• Before servicing, turn ignition switch OFF, disconnect both battery terminals and wait at least 3 min-
utes. (To discharge backup capacitor.)
• Do not use unspecified tester or other measuring device.
DIAGNOSTIC PROCEDURE
1.
CHECK HARNESS CONNECTOR
Are connections of harness connectors and terminals correct?
YES
>> GO TO 2.
NO
>> Repair or replace harness connectors.
2.
CHECK WIRING HARNESS
Is the outside of wiring harness normal, without any damage?
YES
>> GO TO 3.
NO
>> Replace wiring harness.
3.
CHECK DIAGNOSIS SENSOR UNIT
Is “DIAGNOSIS SENSOR UNIT” displayed on CONSULT-III?
YES
>> Replace diagnosis sensor unit (ACU).
>> INSPECTION END.
SRC-140
< COMPONENT DIAGNOSIS >
B1145 CURTAIN MODULE RH
B1145 CURTAIN MODULE RH
Description
INFOID:0000000001069885
DTC B1145 [OPEN] CURTAIN MODULE RH
For curtain air bag, crash is judged by main “G” sensor output signal (left side: left satellite sensor, right side:
right satellite sensor) and sub “G” sensor (right and left GP in center unit).
OPERATION
In case of collision whose acceleration exceeds the specified level, the ignition materials are ignited by electric
ignition system. The system burns and introduces the chemical reaction of gas generating materials to gener-
ate hot gases that flow into the air bag through a filter and expand the bag.
STRUCTURE
Curtain air bag module mainly consists of air bag and inflator which inflates air bag.
INSTALLATION
Curtain air bag module is installed on the roof side with fixed bolts.
DTC Logic
INFOID:0000000001069886
DTC DETECTION LOGIC
With CONSULT-III
DTC No. Index (“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)
Without CONSULT-III
Warning Lamp Flash Code Chart
DTC CONFIRMATION PROCEDURE (With CONSULT-III)
1.
IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 2.
2.
CONSULT-III
Check the “SELF-DIAG” RESULT with CONSULT-III.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1145
CURTAIN MODULE RH
[OPEN]
RH curtain air bag module circuit is
open.
1.
Visually check the wiring harness-
connection.
2.
Replace the harness if it has visi-
ble damage.
3.
Replace RH curtain air bag mod-
ule.
4.
Replace diagnosis sensor unit
(ACU).
PHIA1240E
B1145 CURTAIN MODULE RH
SRC-141
< COMPONENT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
>> GO TO 3.
3.
DTC CODE
If DTC is detected. Refer to
>> END
DTC CONFIRMATION PROCEDURE (Without CONSULT-III)
NOTE:
• SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.
IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 2.
2.
USER MODE-DIAG MODE
After air bag warning lamp illuminates for 7 seconds, turn ignition switch OFF within 1 second.
>> GO TO 3.
3.
USER MODE-DIAG MODE
Wait more than 3 seconds.
>> GO TO 4.
4.
USER MODE-DIAG MODE
Repeat step 1 to 3 twice. (Perform three times in all.)
>> GO TO 5.
5.
DIAG MODE
Turn ignition switch ON. (SRS is now in diagnosis mode.)
>> GO TO 6.
6.
DIAG MODE (AIR BAG WARNING LAMP)
Malfunctiopning portion is indicated according to blinking times of air bag warning lamp. Refer to
>> END
Diagnosis Procedure (Component diagnosis)
INFOID:0000000001069887
SRC-142
< COMPONENT DIAGNOSIS >
B1145 CURTAIN MODULE RH
With CONSULT-III
CAUTION:
• Before servicing, turn ignition switch OFF, disconnect both battery terminals and wait at least 3 min-
utes. (To discharge backup capacitor.)
• Do not use unspecified tester or other measuring device.
DIAGNOSTIC PROCEDURE
1.
CHECK HARNESS CONNECTOR
Are connections of harness connectors and terminals correct?
YES
>> GO TO 2.
NO
>> Repair or replace harness connectors.
2.
CHECK WIRING HARNESS
Is the outside of wiring harness normal, without any damage?
YES
>> GO TO 3.
NO
>> Replace wiring harness.
3.
CHECK SIDE CURTAIN AIR BAG MODULE
Is “AIR BAG” displayed on CONSULT-III?
YES
>> Replace side curtain air bag module.
NO
>> Replace diagnosis sensor unit (ACU).
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